Literatura académica sobre el tema "Image haute definition"

The research objective was to study the negative emotional background as a component of the linguistic world image in "One Flew over the Cuckoo’s Nest" by Ken Kesey. The research featured the lexical means that make up the emotional background of the novel. The author used field method and the method of vocabulary definitions, as well as componential, linguistic, and contextual analyses. The field method and the componential analysis helped to structure the linguistic world image of the work according to invariant lexical meanings. "Negative emotion" appeared to be the archiseme of the text. The nuclear elements of the linguistic world image were formed with the vocabulary of emotions. They were united into three groups: fear, rage, and hate. The peripheral elements were represented by emotional vocabulary. They displayed ways of expressing and perceiving emotions, as well as mental and emotional conditions. The characters of Nurse Ratched, Randle McMurphy, patients, and asylum personnel were the denotative universals of the novel. Methods of vocabulary definitions, linguistic comparison, and contextual analysis revealed the meaning structure of the lexical units and specific features of the emotional background. The linguistic reality created by K. Kesey proved to be based on antithesis. Emotive text elements did not merely express the archiseme "negative emotion" but could also be united into groups with opposite semantic features, which made the text more vivid and emotional. The research results can be used in professional linguistic studies and university courses.

Background:Achieving remission according to stringent criteria such as Simplified Disease Activity Index (SDAI) and ACR/EULAR Boolean remission is associated with a better long-term outcome in patients with RA1. Possible predictors of achieving stringent remission in patients in clinical remission, following targeted treatment strategies, have not been investigated.Objectives:To investigate the predictive value of clinical, radiographic and MRI variables on achieving more stringent remission in RA patients in clinical remission, following MRI and conventional treat-to-target (T2T) strategies.Methods:In this post-hoc study, data were used from 171 RA patients in clinical remission (DAS28-CRP< 3.2 and no swollen joints) on conventional synthetic DMARDs, included in the IMAGINE-RA randomized clinical trial2, where they followed an MRI T2T strategy (targeting absence of osteitis) combined with clinical remission (DAS28-CRP≤3.2 and no swollen joints) or a conventional T2T strategy (targeting clinical remission only). Baseline contrast-enhanced MRIs of the dominant wrist and 2nd-5thMCP joints and radiographs of hands and feet were evaluated according to the OMERACT RAMRIS scoring system and Sharp/van der Heijde method, respectively, by two experienced readers. Potential clinical, radiographic and MRI baseline predictors of remission were first tested in univariate logistic regression analyses with achievement of Clinical Disease Activity Index (CDAI), SDAI, and ACR/EULAR Boolean remission at 24 months as dependent variables. Variables with p<0.25 were subsequently tested in multivariate logistic regression analyses with backward selection, adjusted for age, gender and strategy group. Missing values of covariates were imputed using chained equations.Results:Based on the univariate analyses, tender joint count, patient VAS global, VAS pain, VAS fatigue, physician VAS global, HAQ, MRI osteitis, radiographic and MRI erosion and joint space narrowing scores were included in multivariate analyses (Table).Following the MRI T2T strategy was a positive predictor and high patient VAS global a negative predictor of achieving all definitions of remission. Furthermore, high patient VAS pain was negatively associated with achieving SDAI and ACR/EULAR Boolean remission and high tender joint count negatively associated with achieving CDAI and SDAI remission.Multivariate logistic regression analyses with backward selection, final modelsDependent variables, remission at 24 monthsCDAISDAIACR/EULAR BooleanOR95% CIp-valueOR95% CIp-valueOR95% CIp-valueCovariatesMRI T2T strategy group2.941.25-7.520.0132.461.03-6.350.0435.472.33-14.11<0.001Female0.900.36-2.250.820.800.31-2.050.640.800.32-1.970.63Age1.020.98-1.070.321.020.98-1.070.331.030.99-1.070.15Tender joint count (0-28)0.330.12-0.860.0230.290.10-0.780.013Patient VAS global0.910.88-0.94<0.0010.930.88-0.97<0.0010.930.88-0.980.003Patient VAS pain0.950.91-1.000.0490.920.87-0.980.004Conclusion:In RA patients in clinical remission, poor patient reported outcomes and tender joint count were associated with decreased chance of achieving stringent remission, while following an MRI T2T strategy predicted stringent remission across all definitions thereof.References:[1]Smolen et al. Ann Rheum Dis 2017[2]Møller-Bisgaard et al. JAMA 2019Disclosure of Interests:Signe Møller-Bisgaard Grant/research support from: AbbVie, Consultant of: BMS, Speakers bureau: BMS, Celgene, Pfizer, Stylianos Georgiadis Grant/research support from: Novartis, Kim Hørslev-Petersen: None declared, Bo Ejbjerg: None declared, Merete L. Hetland Grant/research support from: BMS, MSD, AbbVie, Roche, Novartis, Biogen and Pfizer, Consultant of: Eli Lilly, Speakers bureau: Orion Pharma, Biogen, Pfizer, CellTrion, Merck and Samsung Bioepis, Lykke Ørnbjerg: None declared, Daniel Glinatsi: None declared, Jakob Møllenbach Møller: None declared, Mikael Boesen Consultant of: AbbVie, AstraZeneca, Eli Lilly, Esaote, Glenmark, Novartis, Pfizer, UCB, Paid instructor for: IAG, Image Analysis Group, AbbVie, Eli Lilly, AstraZeneca, esaote, Glenmark, Novartis, Pfizer, UCB (scientific advisor)., Speakers bureau: Eli Lilly, Esaote, Novartis, Pfizer, UCB, Kristian Stengaard-Pedersen: None declared, Ole Rintek Madsen: None declared, Bente Jensen: None declared, Jan Villadsen: None declared, Ellen Margrethe Hauge: None declared, Philip Bennett: None declared, Oliver Hendricks: None declared, Karsten Asmussen: None declared, Marcin Kowalski: None declared, Hanne Merete Lindegaard: None declared, Henning Bliddal Grant/research support from: received research grant fra NOVO Nordic, Consultant of: consultant fee fra NOVO Nordic, Niels Steen Krogh: None declared, Torkell Ellingsen: None declared, Agnete Nielsen: None declared, Lone Balding: None declared, Anne Grethe Jurik: None declared, Henrik Thomsen: None declared, Mikkel Ǿstergaard Grant/research support from: AbbVie, Bristol-Myers Squibb, Celgene, Merck, and Novartis, Consultant of: AbbVie, Bristol-Myers Squibb, Boehringer Ingelheim, Celgene, Eli Lilly, Hospira, Janssen, Merck, Novartis, Novo Nordisk, Orion, Pfizer, Regeneron, Roche, Sandoz, Sanofi, and UCB, Speakers bureau: AbbVie, Bristol-Myers Squibb, Boehringer Ingelheim, Celgene, Eli Lilly, Hospira, Janssen, Merck, Novartis, Novo Nordisk, Orion, Pfizer, Regeneron, Roche, Sandoz, Sanofi, and UCB

Thearticle is devoted to the analysis of hate speech manifestations in British online mass media based on case of the tabloid Mail Online (national newspaper Daily Mail’s web site).There have been defined and classified the lexical markers of hate speech. Although there are multiple definitions of the phenomenon provided by authors from different disciplines, hate speech remains one of the hot subjects of research in sociolinguistics and media studies. Its main feature is negative representation of all kinds of minorities (ethnic, racial, gender etc.), migrants, refugees, internally displaced persons, women, and any other social groups, which are not in mainstream social positions. Media discourse is being dehumanized and weaponized by usage of verbal aggression, which is seen as a social condition for committing hate crimes. In this paper, the author discusses the linguistic ways of creating of hate speech objects’negative images, in particular hate speech based on religious intolerance towards Muslims. Critical analysis of British media discourse showed that over past ten years the islamophobic rhetoric is widely present in UK press, especially in sensational mass tabloids like Daily Mail. The pool of analyzed texts proved that Muslims are often associated with criminals, terrorists, extremists, killers, less educated and unwilling to work, aggressive and dangerouspeople. Linguistic tools for creating such imagesare investigated in the article. First, using nouns and adjectives with highly negative connotations for describing Muslims. Second, using narrative styles for splitting society into ‘ingroups’ and ‘outgroups’ (so called ‘WE-groups’ and ‘THEY-groups’) by comparing and contrasting in sentence and word structures, where ‘we-group’ is always positive and ‘outgroup’ – negative. Third, using suggestive manipulative techniques for creating negative associations: rhetoric questions for imposing certain answers and highly emotional words-labels. The paper provides examples of hate speech manifestations and opens ground for further research of current infodemia caused by Covid-19 pandemic, which is being used for growing hate speech practices worldwide, especially in English-language online media as those with multimillion readership and geopolitical power.

The variable hate speech is an indicator used to describe communication that expresses and/or promotes hatred towards others (Erjavec & Kova?i?, 2012; Rosenfeld, 2012; Ziegele, Koehler, & Weber, 2018). A second element is that hate speech is directed against others on the basis of their ethnic or national origin, religion, gender, disability, sexual orientation or political conviction (Erjavec & Kova?i?, 2012; Rosenfeld, 2012; Waseem & Hovy, 2016) and typically uses terms to denigrate, degrade and threaten others (Döring & Mohseni, 2020; Gagliardone, Gal, Alves, & Martínez, 2015). Hate speech and incivility are often used synonymously as hateful speech is considered part of incivility (Ziegele et al., 2018). Field of application/theoretical foundation: Hate speech (see also incivility) has become an issue of growing concern both in public and academic discourses on user-generated online communication. References/combination with other methods of data collection: Hate speech is examined through content analysis and can be combined with comparative or experimental designs (Muddiman, 2017; Oz, Zheng, & Chen, 2017; Rowe, 2015). In addition, content analyses can be accompanied by interviews or surveys, for example to validate the results of the content analysis (Erjavec & Kova?i?, 2012). Example studies: Research question/research interest: Previous studies have been interested in the extent of hate speech in online communication (e.g. in one specific online discussion, in discussions on a specific topic or discussions on a specific platform or different platforms in comparatively) (Döring & Mohseni, 2020; Poole, Giraud, & Quincey, 2020; Waseem & Hovy, 2016). Object of analysis: Previous studies have investigated hate speech in user comments for example on news websites, social media platforms (e.g. Twitter) and social live streaming services (e.g. YouTube, YouNow). Level of analysis: Most manual content analysis studies measure hate speech on the level of a message, for example on the level of user comments. On a higher level of analysis, the level of hate speech for a whole discussion thread or online platform could be measured or estimated. On a lower level of analysis hate speech can be measured on the level of utterances, sentences or words which are the preferred levels of analysis in automated content analyses. Table 1. Previous manual and automated content analysis studies and measures of hate speech Example study (type of content analysis) Construct Dimensions/variables Explanation/example Reliability Waseem & Hovy (2016) (automated content analysis) hate speech sexist or racial slur - - attack of a minority - - silencing of a minority - criticizing of a minority without argument or straw man argument - - promotion of hate speech or violent crime - - misrepresentation of truth or seeking to distort views on a minority - - problematic hash tags. e.g. “#BanIslam”, “#whoriental”, “#whitegenocide” - - negative stereotypes of a minority - - defending xenophobia or sexism - - user name that is offensive, as per the previous criteria - - hate speech - ? = .84 Döring & Mohseni (2020) (manual content analysis) hate speech explicitly or aggressively sexual hate e. g. “are you single, and can I lick you?” ? = .74; PA = .99 racist or sexist hate e.g. “this is why ignorant whores like you belong in the fucking kitchen”, “oh my god that accent sounds like crappy American” ? = .66; PA = .99 hate speech ? = .70 Note: Previous studies used different inter-coder reliability statistics; ? = Cohen’s Kappa; PA = percentage agreement. More coded variables with definitions used in the study Döring & Mohseni (2020) are available under: https://osf.io/da8tw/ References Döring, N., & Mohseni, M. R. (2020). Gendered hate speech in YouTube and YouNow comments: Results of two content analyses. SCM Studies in Communication and Media, 9(1), 62–88. https://doi.org/10.5771/2192-4007-2020-1-62 Erjavec, K., & Kova?i?, M. P. (2012). “You Don't Understand, This is a New War! ” Analysis of Hate Speech in News Web Sites' Comments. Mass Communication and Society, 15(6), 899–920. https://doi.org/10.1080/15205436.2011.619679 Gagliardone, I., Gal, D., Alves, T., & Martínez, G. (2015). Countering online hate speech. UNESCO Series on Internet Freedom. Retrieved from http://unesdoc.unesco.org/images/0023/002332/233231e.pdf Muddiman, A. (2017). : Personal and public levels of political incivility. International Journal of Communication, 11, 3182–3202. Oz, M., Zheng, P., & Chen, G. M. (2017). Twitter versus Facebook: Comparing incivility, impoliteness, and deliberative attributes. New Media & Society, 20(9), 3400–3419. https://doi.org/10.1177/1461444817749516 Poole, E., Giraud, E. H., & Quincey, E. de (2020). Tactical interventions in online hate speech: The case of #stopIslam. New Media & Society, 146144482090331. https://doi.org/10.1177/1461444820903319 Rosenfeld, M. (2012). Hate Speech in Constitutional Jurisprudence. In M. Herz & P. Molnar (Eds.), The Content and Context of Hate Speech (pp. 242–289). Cambridge: Cambridge University Press. https://doi.org/10.1017/CBO9781139042871.018 Rowe, I. (2015). Civility 2.0: A comparative analysis of incivility in online political discussion. Information, Communication & Society, 18(2), 121–138. https://doi.org/10.1080/1369118X.2014.940365 Waseem, Z., & Hovy, D. (2016). Hateful Symbols or Hateful People? Predictive Features for Hate Speech Detection on Twitter. In J. Andreas, E. Choi, & A. Lazaridou (Chairs), Proceedings of the NAACL Student Research Workshop. Ziegele, M., Koehler, C., & Weber, M. (2018). Socially Destructive? Effects of Negative and Hateful User Comments on Readers’ Donation Behavior toward Refugees and Homeless Persons. Journal of Broadcasting & Electronic Media, 62(4), 636–653. https://doi.org/10.1080/08838151.2018.1532430

Abstract This paper suggests a framework for studying how remedial actions are deployed following diplomatic crisis. On the basis of thirty-four case studies and twenty-one interviews with senior statespersons, we offer a novel typology of remedial strategies employed for diffusing interstate tension and pinpoint the various calculations taken by decision-makers in performing them. The analysis reveals three primary strategies for restoring diplomatic relations, the last of which was neglected thus far in the literature: reframing, wherein state actors negotiate the definition of transgressions and their responsibility for its occurrence; remorse, wherein the accused actors acknowledge ranging degrees of responsibility for committing wrongdoing; and finally, reassurance, wherein actors channel the remedial focus to the future relationship between the involved parties. Moreover, statespersons articulated several considerations taken into account when selecting a specific remedial strategy: the perceived value of the offended party, domestic political criticism, levels of publicity, adjusting a specific remedy to the target audience, and self-image. We conclude by discussing the value of remedial work for the study of diplomatic crises. Cet article suggère un cadre pour l’étude de la manière dont des actions correctives sont déployées suite à une crise diplomatique. Nous nous sommes basés sur trente-quatre études de cas et vingt-et-un entretiens avec des hauts responsables d’État pour proposer une nouvelle typologie des stratégies correctives employées pour atténuer la tension entre États et identifier les divers calculs effectués par les décideurs pour les exécuter. Cette analyse révèle trois principales stratégies de restauration des relations diplomatiques, et la dernière d'entre elles a jusqu'ici été négligée par la littérature: celle du recadrage, dans laquelle les acteurs étatiques négocient la définition des transgressions et leur responsabilité dans leur manifestation; celle du remords, dans laquelle les acteurs accusés admettent leurs divers degrés de responsabilité dans l'engagement dans une mauvaise conduite; et enfin, celle de la réassurance, dans laquelle les acteurs canalisent leur attention corrective sur la future relation entre les parties impliquées. De plus, les responsables d’État ont articulé plusieurs considérations prises en compte lors de la sélection d'une stratégie corrective spécifique: la valeur perçue de la partie offensée, la critique politique intérieure, les niveaux de publicité, l'adaptation d'une action corrective spécifique au public cible et l'image de soi. Nous concluons par une discussion sur la valeur du travail correctif pour l’étude des crises diplomatiques. Este artículo sugiere un marco para estudiar cómo se implementan las acciones correctivas tras una crisis diplomática. Sobre la base de treinta y cuatro estudios de casos y veintiuna entrevistas con altos cargos del estado, ofrecemos una novedosa tipología de las estrategias correctivas empleadas para rebajar las tensiones interestatales y señalamos los distintos cálculos realizados por los responsables al llevarlas a cabo. El análisis revela tres estrategias principales para el restablecimiento de las relaciones diplomáticas, esta última se no se había tenido en cuenta hasta ahora en la bibliografía: el replantamiento, en el que los actores estatales negocian la definición de las transgresiones y su responsabilidad; el remordimiento, en el que los actores acusados reconocen distintos grados de responsabilidad por cometer delitos; y, por último, la reafirmación, en la que los actores canalizan el enfoque correctivo hacia la futura relación entre las partes implicadas. Además, los cargos del estado expresaron varias consideraciones que se tienen en cuenta a la hora de seleccionar una estrategia correctiva específica: el valor percibido por la parte ofendida, la crítica política interna, los niveles de publicidad, el ajuste de las acciones correctivas específicas al público y la imagen propia. Concluimos con el análisis del valor del trabajo correctivo para el estudio de las crisis diplomáticas.

If you cannot understand my argument, and declare “It’s Greek to me,” you are quoting Shakespeare.Bernard LevinPsoriatic arthritis, in its acute or “generalised” stage, is unbearably painful. Exacerbating the crippling of the joints, the entire surface of the skin is covered with lesions only moderately salved by anti-inflammatory ointment, the application of which is as painful as the ailment it seeks to relieve: NURSE MILLS: I’ll be as gentle as I can.Marlow’s face again fills the screen, intense concentration, comical strain, and a whispered urgency in the voice over—MARLOW: (Voice over) Think of something boring—For Christ’s sake think of something very very boring—Speech a speech by Ted Heath a sentence long sentence from Bernard Levin a quiz by Christopher Booker a—oh think think—! Really boring! A Welsh male-voice choir—Everything in Punch—Oh! Oh! — (Potter 17-18)Marlow’s collation of boring things as a frantic liturgy is an attempt to distract himself from a tumescence that is both unwanted and out of place. Although bed-ridden and in constant pain, he is still sensitive to erogenous stimulation, even when it is incidental. The act of recollection, of garnering lists of things that bore him, distracts him from his immediate situation as he struggles with the mental anguish of the prospect of a humiliating orgasm. Literary lists do many things. They provide richness of detail, assemble and corroborate the materiality of the world of which they are a part and provide insight into the psyche and motivation of the collator. The sheer desperation of Dennis Potter’s Marlow attests to the arbitrariness of the list, the simple requirement that discrete and unrelated items can be assembled in linear order, without any obligation for topical concatenation. In its interrogative form, the list can serve a more urgent and distressing purpose than distraction:GOLDBERG: What do you use for pyjamas?STANLEY: Nothing.GOLDBERG: You verminate the sheet of your birth.MCCANN: What about the Albigensenist heresy?GOLDBERG: Who watered the wicket in Melbourne?MCCANN: What about the blessed Oliver Plunkett?(Pinter 51)The interrogative non sequitur is an established feature of the art of intimidation. It is designed to exert maximum stress in the subject through the use of obscure asides and the endowing of trivial detail with profundity. Harold Pinter’s use of it in The Birthday Party reveals how central it was to his “theatre of menace.” The other tactic, which also draws on the logic of the inventory to be both sequential and discontinuous, is to break the subject’s will through a machine-like barrage of rhetorical questions that leave no time for answers.Pinter learned from Samuel Beckett the pitiless, unforgiving logic of trivial detail pushed to extremes. Think of Molloy’s dilemma of the sucking stones. In order for all sixteen stones that he carries with him to be sucked at least once to assuage his hunger, a reliable system has to be hit upon:Taking a stone from the right pocket of my greatcoat, and putting it in my mouth, I replaced it in the right pocket of my greatcoat by a stone from the right pocket of my trousers, which I replaced with a stone from the left pocket of my trousers, which I replaced by a stone from the left pocket of my greatcoat, which I replaced with the stone that was in my mouth, as soon as I had finished sucking it. Thus there were still four stones in each of my four pockets, but not quite the same stones. And when the desire to suck took hold of me again, I drew again on the right pocket of my greatcoat, certain of not taking the same stone as the last time. And while I sucked it I rearranged the other stones in the way I have just described. And so on. (Beckett, Molloy 69)And so on for six pages. Exhaustive permutation within a finite lexical set is common in Beckett. In the novel Watt the eponymous central character is charged with serving his unseen master’s dinner as well as tidying up afterwards. A simple and bucolic enough task it would seem. But Beckett’s characters are not satisfied with conjecture, the simple assumption that someone must be responsible for Mr. Knott’s dining arrangements. Like Molloy’s solution to the sucking stone problem, all possible scenarios must be considered to explain the conundrum of how and why Watt never saw Knott at mealtime. Twelve possibilities are offered, among them that1. Mr. Knott was responsible for the arrangement, and knew that he was responsible for the arrangement, and knew that such an arrangement existed, and was content.2. Mr. Knott was not responsible for the arrangement, but knew who was responsible for the arrangement, and knew that such an arrangement existed, and was content.(Beckett, Watt 86)This stringent adherence to detail, absurd and exasperating as it is, is the work of fiction, the persistence of a viable, believable thing called Watt who exists as long as his thought is made manifest on a page. All writers face this pernicious prospect of having to confront and satisfy “fiction’s gargantuan appetite for fact, for detail, for documentation” (Kenner 70). A writer’s writer (Philip Marlow) Dennis Potter’s singing detective struggles with the acute consciousness that words eventually will fail him. His struggle to overcome verbal entropy is a spectre that haunts the entire literary imagination, for when the words stop the world stops.Beckett made this struggle the very stuff of his work, declaring famously that all he wanted to do as a writer was to leave “a stain upon the silence” (quoted in Bair 681). His characters deteriorate from recognisable people (Hamm in Endgame, Winnie in Happy Days) to mere ciphers of speech acts (the bodiless head Listener in That Time, Mouth in Not I). During this process they provide us with the vocabulary of entropy, a horror most eloquently expressed at the end of The Unnamable: I can’t go on, you must go on, I’ll go on, you must say words, as long as there are any, until they find me, until they say me, strange pain, strange sin, you must go on, perhaps it’s done already, perhaps they have said me already, perhaps they have carried me to the threshold of my story, before the door that opens on my story, that would surprise me, if it opens, it will be I, it will be the silence, where I am, I don’t know, I’ll never know, in the silence you don’t know, you must go on, I can’t go on, I’ll go on. (Beckett, Molloy 418)The importance Beckett accorded to pauses in his writing, from breaks in dialogue to punctuation, stresses the pacing of utterance that is in sync with the rhythm of human breath. This is acutely underlined in Jack MacGowran’s extraordinary gramophone recording of the above passage from The Unnamable. There is exhaustion in his voice, but it is inflected by an urgent push for the next words to forestall the last gasp. And what might appear to be parsimony is in fact the very commerce of writing itself. It is an economy of necessity, when any words will suffice to sustain presence in the face of imminent silence.Hugh Kenner has written eloquently on the relationship between writing and entropy, drawing on field and number theory to demonstrate how the business of fiction is forever in the process of generating variation within a finite set. The “stoic comedian,” as he figures the writer facing the blank page, self-consciously practices their art in the full cognisance that they select “elements from a closed set, and then (arrange) them inside a closed field” (Kenner 94). The nouveau roman (a genre conceived and practiced in Beckett’s lean shadow) is remembered in literary history as a rather austere, po-faced formalism that foregrounded things at the expense of human psychology or social interaction. But it is emblematic of Kenner’s portrait of stoicism as an attitude to writing that confronts the nature of fiction itself, on its own terms, as a practice “which is endlessly arranging things” (13):The bulge of the bank also begins to take effect starting from the fifth row: this row, as a matter of fact, also possesses only twenty-one trees, whereas it should have twenty-two for a true trapezoid and twenty-three for a rectangle (uneven row). (Robbe-Grillet 21)As a matter of fact. The nouveau roman made a fine if myopic art of isolating detail for detail’s sake. However, it shares with both Beckett’s minimalism and Joyce’s maximalism the obligation of fiction to fill its world with stuff (“maximalism” is a term coined by Michel Delville and Andrew Norris in relation to the musical scores of Frank Zappa that opposes the minimalism of John Cage’s work). Kenner asks, in The Stoic Comedians, where do the “thousands on thousands of things come from, that clutter Ulysses?” His answer is simple, from “a convention” and this prosaic response takes us to the heart of the matter with respect to the impact on writing of Isaac Newton’s unforgiving Second Law of Thermodynamics. In the law’s strictest physical sense of the dissipation of heat, of the loss of energy within any closed system that moves, the stipulation of the Second Law predicts that words will, of necessity, stop in any form governed by convention (be it of horror, comedy, tragedy, the Bildungsroman, etc.). Building upon and at the same time refining the early work on motion and mass theorised by Aristotle, Kepler, and Galileo, inter alia, Newton refined both the laws and language of classical mechanics. It was from Wiener’s literary reading of Newton that Kenner segued from the loss of energy within any closed system (entropy) to the running silent out of words within fiction.In the wake of Norbert Wiener’s cybernetic turn in thinking in the 1940s, which was highly influenced by Newton’s Second Law, fiction would never again be considered in the same way (metafiction was a term coined in part to recognise this shift; the nouveau roman another). Far from delivering a reassured and reassuring present-ness, an integrated and ongoing cosmos, fiction is an isometric exercise in the struggle against entropy, of a world in imminent danger of running out of energy, of not-being:“His hand took his hat from the peg over his initialled heavy overcoat…” Four nouns, and the book’s world is heavier by four things. One, the hat, “Plasto’s high grade,” will remain in play to the end. The hand we shall continue to take for granted: it is Bloom’s; it goes with his body, which we are not to stop imagining. The peg and the overcoat will fade. “On the doorstep he felt in his hip pocket for the latchkey. Not there. In the trousers I left off.” Four more things. (Kenner 87)This passage from The Stoic Comedians is a tour de force of the conjuror’s art, slowing down the subliminal process of the illusion for us to see the fragility of fiction’s precarious grip on the verge of silence, heroically “filling four hundred empty pages with combinations of twenty-six different letters” (xiii). Kenner situates Joyce in a comic tradition, preceded by Gustave Flaubert and followed by Beckett, of exhaustive fictive possibility. The stoic, he tells us, “is one who considers, with neither panic nor indifference, that the field of possibilities available to him is large perhaps, or small perhaps, but closed” (he is prompt in reminding us that among novelists, gamblers and ethical theorists, the stoic is also a proponent of the Second Law of Thermodynamics) (xiii). If Joyce is the comedian of the inventory, then it is Flaubert, comedian of the Enlightenment, who is his immediate ancestor. Bouvard and Pécuchet (1881) is an unfinished novel written in the shadow of the Encyclopaedia, an apparatus of the literate mind that sought complete knowledge. But like the Encyclopaedia particularly and the Enlightenment more generally, it is fragmentation that determines its approach to and categorisation of detail as information about the world. Bouvard and Pécuchet ends, appropriately, in a frayed list of details, pronouncements and ephemera.In the face of an unassailable impasse, all that is left Flaubert is the list. For more than thirty years he constructed the Dictionary of Received Ideas in the shadow of the truncated Bouvard and Pécuchet. And in doing so he created for the nineteenth century mind “a handbook for novelists” (Kenner 19), a breakdown of all we know “into little pieces so arranged that they can be found one at a time” (3): ACADEMY, FRENCH: Run it down but try to belong to it if you can.GREEK: Whatever one cannot understand is Greek.KORAN: Book about Mohammed, which is all about women.MACHIAVELLIAN: Word only to be spoken with a shudder.PHILOSOPHY: Always snigger at it.WAGNER: Snigger when you hear his name and joke about the music of the future. (Flaubert, Dictionary 293-330)This is a sample of the exhaustion that issues from the tireless pursuit of categorisation, classification, and the mania for ordered information. The Dictionary manifests the Enlightenment’s insatiable hunger for received ideas, an unwieldy background noise of popular opinion, general knowledge, expertise, and hearsay. In both Bouvard and Pécuchet and the Dictionary, exhaustion was the foundation of a comic art as it was for both Joyce and Beckett after him, for the simple reason that it includes everything and neglects nothing. It is comedy born of overwhelming competence, a sublime impertinence, though not of manners or social etiquette, but rather, with a nod to Oscar Wilde, the impertinence of being definitive (a droll epithet that, not surprisingly, was the title of Kenner’s 1982 Times Literary Supplement review of Richard Ellmann’s revised and augmented biography of Joyce).The inventory, then, is the underlining physio-semiotics of fictional mechanics, an elegiac resistance to the thread of fiction fraying into nothingness. The motif of thermodynamics is no mere literary conceit here. Consider the opening sentence in Borges:Of the many problems which exercised the reckless discernment of Lönnrot, none was so strange—so rigorously strange, shall we say—as the periodic series of bloody events which culminated at the villa of Triste-le-Roy, amid the ceaseless aroma of the eucalypti. (Borges 76)The subordinate clause, as a means of adjectival and adverbial augmentation, implies a potentially infinite sentence through the sheer force of grammatical convention, a machine-like resistance to running out of puff:Under the notable influence of Chesterton (contriver and embellisher of elegant mysteries) and the palace counsellor Leibniz (inventor of the pre-established harmony), in my idle afternoons I have imagined this story plot which I shall perhaps write someday and which already justifies me somehow. (72)In “Pierre Menard, Author of the Quixote,” a single adjective charmed with emphasis will do to imply an unseen network:The visible work left by this novelist is easily and briefly enumerated. (Borges 36)The annotation of this network is the inexorable issue of the inflection: “I have said that Menard’s work can be easily enumerated. Having examined with care his personal files, I find that they contain the following items.” (37) This is a sample selection from nineteen entries:a) A Symbolist sonnet which appeared twice (with variants) in the review La conque (issues of March and October 1899).o) A transposition into alexandrines of Paul Valéry’s Le cimitière marin (N.R.F., January 1928).p) An invective against Paul Valéry, in the Papers for the Suppression of Reality of Jacques Reboul. (37-38)Lists, when we encounter them in Jorge Luis Borges, are always contextual, supplying necessary detail to expand upon character and situation. And they are always intertextual, anchoring this specific fictional world to others (imaginary, real, fabulatory or yet to come). The collation and annotation of the literary works of an imagined author (Pierre Menard) of an invented author (Edmond Teste) of an actual author (Paul Valéry) creates a recursive, yet generative, feedback loop of reference and literary progeny. As long as one of these authors continues to write, or write of the work of at least one of the others, a persistent fictional present tense is ensured.Consider Hillel Schwartz’s use of the list in his Making Noise (2011). It not only lists what can and is inevitably heard, in this instance the European 1700s, but what it, or local aural colour, is heard over:Earthy: criers of artichokes, asparagus, baskets, beans, beer, bells, biscuits, brooms, buttermilk, candles, six-pence-a-pound fair cherries, chickens, clothesline, cockles, combs, coal, crabs, cucumbers, death lists, door mats, eels, fresh eggs, firewood, flowers, garlic, hake, herring, ink, ivy, jokebooks, lace, lanterns, lemons, lettuce, mackeral, matches […]. (Schwartz 143)The extended list and the catalogue, when encountered as formalist set pieces in fiction or, as in Schwartz’s case, non-fiction, are the expansive equivalent of le mot juste, the self-conscious, painstaking selection of the right word, the specific detail. Of Ulysses, Kenner observes that it was perfectly natural that it “should have attracted the attention of a group of scholars who wanted practice in compiling a word-index to some extensive piece of prose (Miles Hanley, Word Index to Ulysses, 1937). More than any other work of fiction, it suggests by its texture, often by the very look of its pages, that it has been painstakingly assembled out of single words…” (31-32). In a book already crammed with detail, with persistent reference to itself, to other texts, other media, such formalist set pieces as the following from the oneiric “Circe” episode self-consciously perform for our scrutiny fiction’s insatiable hunger for more words, for invention, the Latin root of which also gives us the word inventory:The van of the procession appears headed by John Howard Parnell, city marshal, in a chessboard tabard, the Athlone Poursuivant and Ulster King of Arms. They are followed by the Right Honourable Joseph Hutchinson, lord mayor Dublin, the lord mayor of Cork, their worships the mayors of Limerick, Galway, Sligo and Waterford, twentyeight Irish representative peers, sirdars, grandees and maharajahs bearing the cloth of estate, the Dublin Metropolitan Fire Brigade, the chapter of the saints of finance in their plutocratic order of precedence, the bishop of Down and Connor, His Eminence Michael cardinal Logue archbishop of Armagh, primate of all Ireland, His Grace, the most reverend Dr William Alexander, archbishop of Armagh, primate of all Ireland, the chief rabbi, the Presbyterian moderator, the heads of the Baptist, Anabaptist, Methodist and Moravian chapels and the honorary secretary of the society of friends. (Joyce, Ulysses 602-604)Such examples demonstrate how Joycean inventories break from narrative as architectonic, stand-alone assemblages of information. They are Rabelaisian irruptions, like Philip Marlow’s lesions, that erupt in swollen bas-relief. The exaggerated, at times hysterical, quality of such lists, perform the hallucinatory work of displacement and condensation (the Homeric parallel here is the transformation of Odysseus’s men into swine by the witch Circe). Freudian, not to mention Stindberg-ian dream-work brings together and juxtaposes images and details that only make sense as non-sense (realistic but not real), such as the extraordinary explosive gathering of civic, commercial, political, chivalric representatives of Dublin in this foreshortened excerpt of Bloom’s regal campaign for his “new Bloomusalem” (606).The text’s formidable echolalia, whereby motifs recur and recapitulate into leitmotifs, ensures that the act of reading Ulysses is always cross-referential, suggesting the persistence of a conjured world that is always already still coming into being through reading. And it is of course this forestalling of Newton’s Second Law that Joyce brazenly conducts, in both the textual and physical sense, in Finnegans Wake. The Wake is an impossible book in that it infinitely sustains the circulation of words within a closed system, creating a weird feedback loop of cyclical return. It is a text that can run indefinitely through the force of its own momentum without coming to a conclusion. In a text in which the author’s alter ego is described in terms of the technology of inscription (Shem the Penman) and his craft as being a “punsil shapner,” (Joyce, Finnegans 98) Norbert Wiener’s descriptive example of feedback as the forestalling of entropy in the conscious act of picking up a pencil is apt: One we have determined this, our motion proceeds in such a way that we may say roughly that the amount by which the pencil is not yet picked up is decreased at each stage. (Wiener 7) The Wake overcomes the book’s, and indeed writing’s, struggle with entropy through the constant return of energy into its closed system as a cycle of endless return. Its generative algorithm can be represented thus: “… a long the riverrun …” (628-3). The Wake’s sense of unending confounds and contradicts, in advance, Frank Kermode’s averring to Newton’s Second Law in his insistence that the progression of all narrative fiction is defined in terms of the “sense of an ending,” the expectation of a conclusion, whereby the termination of words makes “possible a satisfying consonance with the origins and with the middle” (Kermode 17). It is the realisation of the novel imagined by Silas Flannery, the fictitious author in Italo Calvino’s If on a winter’s night a traveller, an incipit that “maintains for its whole duration the potentiality of the beginning” (Calvino 140). Finnegans Wake is unique in terms of the history of the novel (if that is indeed what it is) in that it is never read, but (as Joseph Frank observed of Joyce generally) “can only be re-read” (Frank 19). With Wiener’s allegory of feedback no doubt in mind, Jacques Derrida’s cybernetic account of the act of reading Joyce comes, like a form of echolalia, on the heels of Calvino’s incipit, his perpetual sustaining of the beginning: you stay on the edge of reading Joyce—for me this has been going on for twenty-five or thirty years—and the endless plunge throws you back onto the river-bank, on the brink of another possible immersion, ad infinitum … In any case, I have the feeling that I haven’t yet begun to read Joyce, and this “not having begun to read” is sometimes the most singular and active relationship I have with his work. (Derrida 148) Derrida wonders if this process of ongoing immersion in the text is typical of all works of literature and not just the Wake. The question is rhetorical and resonates into silence. And it is silence, ultimately, that hovers as a mute herald of the end when words will simply run out.Post(script)It is in the nature of all writing that it is read in the absence of its author. Perhaps the most typical form of writing, then, is the suicide note. In an extraordinary essay, “Goodbye, Cruel Words,” Mark Dery wonders why it has been “so neglected as a literary genre” and promptly sets about reviewing its decisive characteristics. Curiously, the list features amongst its many forms: I’m done with lifeI’m no goodI’m dead. (Dery 262)And references to lists of types of suicide notes are among Dery’s own notes to the essay. With its implicit generic capacity to intransitively add more detail, the list becomes in the light of the terminal letter a condition of writing itself. The irony of this is not lost on Dery as he ponders the impotent stoicism of the scribbler setting about the mordant task of writing for the last time. Writing at the last gasp, as Dery portrays it, is a form of dogged, radical will. But his concluding remarks are reflective of his melancholy attitude to this most desperate act of writing at degree zero: “The awful truth (unthinkable to a writer) is that eloquent suicide notes are rarer than rare because suicide is the moment when language fails—fails to hoist us out of the pit, fails even to express the unbearable weight” (264) of someone on the precipice of the very last word they will ever think, let alone write. Ihab Hassan (1967) and George Steiner (1967), it would seem, were latecomers as proselytisers of the language of silence. But there is a queer, uncanny optimism at work at the terminal moment of writing when, contra Dery, words prevail on the verge of “endless, silent night.” (264) Perhaps when Newton’s Second Law no longer has carriage over mortal life, words take on a weird half-life of their own. Writing, after Socrates, does indeed circulate indiscriminately among its readers. There is a dark irony associated with last words. When life ceases, words continue to have the final say as long as they are read, and in so doing they sustain an unlikely, and in their own way, stoical sense of unending.ReferencesBair, Deirdre. Samuel Beckett: A Biography. London: Jonathan Cape, 1978.Beckett, Samuel. Molloy Malone Dies. The Unnamable. London: John Calder, 1973.---. Watt. London: John Calder, 1976.Borges, Jorge Luis. Labyrinths. Selected Stories & Other Writings. Ed. Donald A. Yates & James E. Irby. New York: New Directions, 1964.Calvino, Italo. If On A Winter’s Night A Traveller. Trans. William Weaver, London: Picador, 1981.Delville, Michael, and Andrew Norris. “Frank Zappa, Captain Beefheart, and the Secret History of Maximalism.” Ed. Louis Armand. Contemporary Poetics: Redefining the Boundaries of Contemporary Poetics, in Theory & Practice, for the Twenty-First Century. Evanston: Northwestern UP, 2007. 126-49.Derrida, Jacques. “Two Words for Joyce.” Post-Structuralist Joyce. Essays from the French. Ed. Derek Attridge and Daniel Ferrer. Cambridge: Cambridge UP, 1984. 145-59.Dery, Mark. I Must Not think Bad Thoughts: Drive-by Essays on American Dread, American Dreams. Minneapolis: U of Minnesota P, 2012.Frank, Joseph, “Spatial Form in Modern Literature.” Sewanee Review, 53, 1945: 221-40, 433-56, 643-53.Flaubert, Gustave. Bouvard and Pécuchet. Trans. A. J. KrailSheimer. Harmondsworth: Penguin, 1976.Flaubert, Gustave. Dictionary of Received Ideas. Trans. A. J. KrailSheimer. Harmondsworth: Penguin, 1976.Hassan, Ihab. The Literature of Silence: Henry Miller and Samuel Beckett. New York: Knopf, 1967.Joyce, James. Finnegans Wake. London: Faber and Faber, 1975.---. Ulysses. Harmondsworth: Penguin, 1992.Kenner, Hugh. The Stoic Comedians. Berkeley: U of California P, 1974.Kermode, Frank. The Sense of an Ending: Studies in the Theory of Narrative Fiction. New York: Oxford U P, 1966.‪Levin, Bernard. Enthusiasms. London: Jonathan Cape, 1983.MacGowran, Jack. MacGowran Speaking Beckett. Claddagh Records, 1966.Pinter, Harold. The Birthday Party. London: Methuen, 1968.Potter, Dennis. The Singing Detective. London, Faber and Faber, 1987.Robbe-Grillet, Alain. Jealousy. Trans. Richard Howard. London: John Calder, 1965.Schwartz, Hillel. Making Noise. From Babel to the Big Bang and Beyond. New York: Zone Books, 2011.Steiner, George. Language and Silence: New York: Atheneum, 1967.Wiener, Norbert. Cybernetics, Or Control and Communication in the Animal and the Machine. Cambridge, Mass.: MIT Press, 1965.

This issue of M/C Journal reclaims the language of “freedom”. The selected articles demonstrate that today freedom is frequently overruled in the name of a permanent state of emergency. Present-day politics shows countless instances in which information, knowledge and culture are not seen as an inalienable right but are rather oppressed and distorted. Freedom is the freedom to say “no”, to withdraw your collaboration, to refuse friendly cooperation! To be “free” means to be able to enact your identity without having to capitulate to the ruling forces that dictate which discourses are and are not permissible in the public sphere(s). Citizens worldwide are armchair passengers on the nightly TV news train; they dream of their lives as being “free”. After all, to be free is a guaranteed human right, enshrined by the United Nations. Are freedom, independence and autonomy merely illusions, or are sociable media succeeding in empowering citizens for a participatory democracy as Yochai Benkler argues? If information “wants to be free”, the battle between intellectual “property” and creativity must be resolved. Technology does not make freedom inevitable: the on-the-ground-realities of network and hardware access make what seems to be “open” and “free”, closed and expensive for most people on this planet. The feature article for this issue of M/C Journal is a statement on the state of free speech in a free country: in “Depiction of Muslims in Selected Australian Media: Free Speech or Taking Sides”, Dr Nahid Kabir examines the publication of 12 cartoons depicting images of the Prophet Mohammad in 2005. In exploring the response of two Australian newspapers to the Danish controversy, the article considers whether the debate in the name of “free speech” has ended in a “form of attack” on Australian Muslims. In “Freedom, Hate, Fronts”, Patrick Lynn Rivers reflects on the use of the Internet by the predominantly Afrikaner “Vryheidsfront Plus” political party to construct whiteness in post-apartheid South Africa. The creation of a politics centred on racial “cyborgs” points to the facilitation of freedom of an “oppressed minority”, continuing the Afrikaners’ historical struggle for self-determination and independence. Problematising this approach, Rivers concludes that, like freedom, whiteness after apartheid is far from defined. Authors Amita Nijhawan and Sukhmani Khorana both address Deepa Mehta’s highly-acclaimed film trilogy Fire, Earth, and Water. As a female Hindu director, Mehta engages controversial issues for Indian society: the life of widows who are forced into prostitution, for example. As observed, the trilogy has been subject to critiques of too much freedom from inside the country, counterbalanced by those outside the country condemning the Indian body-politic for its lack of freedom. In exploring post-colonial discourses in India’s construction of nation and gender, Nijhawan and Khorana present complementary accounts of the director’s struggle to resist government censorship. Hegemonic power is played out in the definition of freedom in relation to contested questions of self-representation in Indian society. Freedom of use and the notion of “property talk” are discussed by Australian lawyer and academic Steve Collins, commenting on the revival of values from Blackstonian copyright, in which ownership is seen to preclude the rights of others. Collins observes that talk of “property” risks making transformative works an elitist form of creativity, available only to those with the financial resources necessary to meet the demands for license fees. The notion of “property” thus challenges the freedom to create and to transform. Collins notes that this is no longer a philosophical question, but a practical one, as he entreats courts to move beyond the propertarian paradigm. A further angle on the issue of freedom is put forward by Nadine Henley in “Free to be Obese?” Here, Henley tackles the boundaries of state governance in controlling the bodies of its citizens: Is it ethical for a government to enforce the health of its citizens, or should obesity, for example, be a rightful choice? Two emotive Freedom Poems by Kathryn Waddell Takara conclude this issue. The editors have selected “Angela Davis” and “Mumia Abu Jamal: Knight for Justice” from the larger body of Takara’s work, Root Tapping, as representing the desire to celebrate freedom. The expectation of Angela Davis’ arrival and the transcendent revenge for the imprisonment of political activist Mumia Abu Jamal speak of the power of radical opposition in the face of oppression. The cover image of this issue, “Free” by John Fairley (“Bostich”), has been derived from the photo-sharing Flickr.com, which supports the Creative Commons licensing scheme. Acknowledgments: The editors thank all contributors and reviewers involved in this issue for their continuing dialogue and critical reflection on the notion of “freedom”. We wish to kindly acknowledge the adept assistance of copy editors Laura Marshall and Donna Paichl, and the continuing guidance of M/C General Editor Dr Axel Bruns. Citation reference for this article MLA Style Scholz, Trebor, and Rachel Cobcroft. "Free." M/C Journal 9.4 (2006). echo date('d M. Y'); ?> <http://journal.media-culture.org.au/0609/0-editorial.php>. APA Style Scholz, T., and R. Cobcroft. (Sep. 2006) "Free," M/C Journal, 9(4). Retrieved echo date('d M. Y'); ?> from <http://journal.media-culture.org.au/0609/0-editorial.php>.

In the last three years a new filthy vocabulary of social class has emerged in Britain. The word “chav”, and its various synonyms and regional variations, has become a ubiquitous term of abuse for white working class subjects. An entire slang vocabulary has emerged around chav. Acronyms, such as “Council Housed and Vile” have sprung up to explain the term. Folk etymologies and some scholarly sources suggest that the term chav might derive from a distortion of a Romany word for a child, while others suggests it is a derivative of the term charver, long used in the North East of England to describe the disenfranchised white poor (see Nayak). In current parlance, the term chav is aligned “with stereotypical notions of lower-class” and is above all “a term of intense class-based abhorrence” (Haywood and Yar 16). Routinely demonized within news media, television comedy programmes, and internet sites (such as the chavscum) the level of disgust mobilized by the figure of the chav is suggestive of a heightened class antagonism that marks a new episode of class struggle in Britain. Social class is often represented through highly caricatured figures—the toff, the chav—figures that are referred to in highly emotive terms. One of the ways in which social class is emotionally mediated is through repeated expressions of disgust at the habits and behaviour of those deemed to belong to a lower social class. An everyday definition of disgust would be: an emotion experienced and expressed as a sickening feeling of revulsion, loathing, or nausea. The physicality of disgust reactions means that the communication of disgust draws heavily on metaphors of sensation. As William Miller notes, disgust “needs images of bad taste, foul smells, creepy touchings, ugly sights, bodily secretions and excretions to articulate the judgments it asserts” (218). Our disgust reactions are often revealing of wider social power relations. As Sara Ahmed notes: When thinking about how bodies become objects of disgust, we can see that disgust is crucial to power relations. … Disgust at “that which is below” functions to maintain the power relations between above and below, through which “aboveness” and “belowness” become properties of particular bodies, objects and spaces (89). Ahmed’s account of the connection between disgust and power relations echoes Beverly Skeggs’ influential account of “class making”. As Skeggs suggests, class as a concept, and as a process of classification and social positioning, is not pre-given but is always in production and is continually re-figured (3). Social class virtually disappeared as a central site of analysis within cultural and media studies in the late 1980s, a disappearance that was mirrored by a similar retreat from the taxonomy of class within wider social and political discourse (Skeggs 45). This is not to say that class distinctions, however we measure them, have been eroded or are in decline. On the contrary, class disappeared as a central site of analysis at precisely the same time that “economic polarization” reached “unparalleled depths” in Britain (ibid.). As the term “working class” has been incrementally emptied of meaning, teaching and researching issues of class inequality is now often seen as “paranoid” and felt to be embarrassing and shameful (see Sayer). (Roland Barthes uses the concept of ‘ex-nomination’ to explain how (and why) social class is emptied of meaning in this way. According to Barthes, this process is one of the central mechanisms through which dominant classes naturalise their values.) In the last two decades academics from working class backgrounds and, perhaps most perversely, those who work within disciplines that were founded upon research on class, have increasingly experienced their own class origins as a “filthy secret”. If social class “directly articulated” and as “the object of analysis, has largely disappeared” (Skeggs 46) within the academy and within wider social and political discourses, portrayals of class differences have nevertheless persisted within popular media. In particular, the emergence of the grotesque and comic figure of the chav within a range of contemporary British media, primarily television comedy, reality-genre television, Internet forums and newspapers, has made class differences and antagonisms explicitly visible in contemporary Britain. Class-based discrimination and open snobbery is made socially acceptable through claims that this vicious name-calling has a ‘satirical’ function. Laughing at something is “an act of expulsion” that closely resembles the rejecting movement of disgust reactions (Menninghaus 11). In the case of laughter at those of a lower class, laughter is boundary-forming; it creates a distance between “them” and “us”, and asserts moral judgments and a higher class position. Laughter at chavs is a way of managing and authorizing class disgust, contempt, and anxiety. Popular media can be effective means of communicating class disgust and in so doing, work to produce ‘class communities’ in material, political and affective senses. In the online vocabulary of chav hate, we can further discern the ways in which class disgust is performed in ways that are community-forming. The web site, urbandictionary.com is an online slang dictionary that functions as an unofficial online authority on English language slang. Urbandictionary.com is modelled on an internet forum in which (unregistered) users post definitions of new or existing slang terms, which are then reviewed by volunteer editors. Users vote on definitions by clicking a thumb up or thumb down icon and posts are then ranked according to the votes they have accrued. Urbandictionary currently hosts 300,000 definitions of slang terms and is ranked as one of the 2000 highest web traffic sites in the world. There were 368 definitions of the term chav posted on the site at the time of writing and I have extracted below a small number of indicative phrases taken from some of the most highly ranked posts. all chavs are filth chavs …. the cancer of the United Kingdom filthy, disgusting, dirty, loud, ugly, stupid arseholes that threaten, fight, cause trouble, impregnate 14 year olds, ask for money, ask for fags, ….steal your phones, wear crap sports wear, drink cheap cider and generally spread their hate. A social underclass par excellence. The absolute dregs of modern civilization The only good chav is dead one. The only thing better than that is a mass grave full of dead chavs and a 24 hour work crew making way for more… This disgust speech generates a set of effects, which adhere to and produce the filthy figure and qualities of chav. The dictionary format is significant here because, like the accompanying veneer of irony, it grants a strange authority to the dehumanising bigotry of the posts. Urbandictionary illustrates how class disgust is actively made through repetition. Through the repetition of disgust reactions, the negative properties attributed to chav make this figure materialize as representative of a group who embodies those disgusting qualities – a group who are “lower than human or civil life” (Ahmed 97). As users add to and build the definition of “the chav” within the urban dictionary site, they interact with one another and a conversational environment emerges. The voting system works on this site as a form of peer authorization that encourages users to invoke more and more intense and affective disgust reactions. As Ngai suggests, disgust involves an expectation of concurrence, and disgust reactions seek “to include or draw others into its exclusion of its object, enabling a strange kind of sociability” (336). This sociability has a particular specificity within online communities in which anonymity gives community members license to express their disgust in extreme and virulent ways. The interactivity of these internet forums, and the real and illusory immediacy they transmit, makes online forums intensely affective communal spaces/places within which disgust reactions can be rapidly shared and accrued. As the web becomes more “writable”, through the development and dissemination of shared annotation software, web users are moving from consuming content to creating it ‘in the form of discussion boards, weblogs, wikis, and other collaborative and conversational media” (Golder 2). Within new media spaces such as urbandictionary, we are not only viewers but active users who can go into, enter and affect representational spaces and places. In the case of chavs, users can not only read about them, but have the power to produce the chav as a knowable figure. The chav thread on urbandictionary and similar chav hate forums work to constitute materially the exaggerated excessive corporeality of the chav figure. These are spaces/places in which class disgust is actively generated – class live. With each new post, there is an accruement of disgust. Each post breathes life into the squalid and thrillingly affective imaginary body of the filthy chav. Class disgust is intimately tied to issues of racial difference. These figures constitute an unclean “sullied urban “underclass”“, “forever placed at the borders of whiteness as the socially excluded, the economically redundant” (Nayak 82, 102-3). Whilst the term chav is a term of abuse directed almost exclusively towards the white poor, chavs are not invisible normative whites, but rather hypervisible “filthy whites”. In a way that bears striking similarities to US white trash figure, and the Australian figure of the Bogan, the chav figure foregrounds a dirty whiteness – a whiteness contaminated with poverty. This borderline whiteness is evidenced through claims that chavs appropriate black American popular culture through their clothing, music, and forms of speech, and have geographical, familial and sexual intimacy with working class blacks and Asians. This intimacy is represented by the areas in which chavs live and their illegitimate mixed race children as well as, more complexly, by their filthy white racism. Metaphors of disease, invasion and excessive breeding that are often invoked within white racist responses to immigrants and ethnic minorities are mobilized by the white middle-class in order to differentiate their “respectable whiteness” from the whiteness of the lower class chavs (see Nayak 84). The process of making white lower class identity filthy is an attempt to differentiate between respectable and non-respectable forms of whiteness (and an attempt to abject the white poor from spheres of white privilege). Disgust reactions work not only to give meaning to the figure of the chav but, more complicatedly, constitute a category of being – chav being. So whilst the figures of the chav and chavette have a virtual existence within newspapers, Internet forums and television shows, the chav nevertheless takes symbolic shape in ways that have felt material and physical effects upon those interpellated as “chav”. We can think here of the way in which” signs of chavness”, such as the wearing of certain items or brands of clothing have been increasingly used to police access to public spaces, such as nightclubs and shopping centres since 2003. The figure of the chav becomes a body imbued with negative affect. This affect travels, it circulates and leaks out into public space and shapes everyday perceptual practices. The social policing of chavs foregrounds the disturbing ease with which imagined “emotional qualities slide into corporeal qualities” (Ngai 573). Chav disgust is felt and lived. Experiencing the frisson of acting like a chav has become a major leisure occupation in Britain where middle class students now regularly hold “chav nites”, in which they dress up as chavs and chavettes. These students dress as chavs, carry plastic bags from the cut-price food superstores, drink cider and listen to ‘chav music’, in order to enjoy the affect of being an imaginary chav. In April 2006 the front page of The Sun featured Prince William dressed up as a chav with the headline, “Future Bling of England”, The story details how the future king: “joined in the fun as his platoon donned chav-themed fancy dress to mark the completion of their first term” at Sandhurst military academy. William, we were told, “went to a lot of trouble thinking up what to wear” (white baseball cap, sweatshirt, two gold chains), and was challenged to “put on a chavvy accent and stop speaking like a royal”. These examples of ironic class–passing represent a new era of ‘slumming it’ that recalls the 19th century Victorian slummers, who descended on the East End of London in their many thousands, in pursuit of abject encounters – touristic tastes of the illicit pleasures associated with the immoral, urban poor. This new chav ‘slumming it’ makes no pretence at any moral imperative, it doesn’t pretend to be sociological, there is no “field work”, no ethnography, no gathering of knowledge about the poor, no charity, no reaching out to touch, and no liberal guilt, there is nothing but ‘filthy pleasure’. The cumulative effect of disgust at chavs is the blocking of the disenfranchised white poor from view; they are rendered invisible and incomprehensible. Nevertheless, chav has become an increasingly complex identity category and some of those interpellated as filthy chavs have now reclaimed the term as an affirmative sub-cultural identity. This trans-coding of chav is visible within popular music acts, such as white teenage rapper Lady Sovereign and the acclaimed pop icon and urban poet Mike Skinner (who releases records as The Streets). Journalist Julie Burchill has repeatedly attempted both to defend, and claim for herself, a chav identity and in 2005, the tabloid newspaper The Sun, a propagator of chav hate, ran a ‘Proud to be Chav’ campaign. Nevertheless, this ‘chav pride’ is deceptive, for like the US term ‘white trash’ – now widely adopted within celebrity culture – this ‘pride’ works as an enabling identity category only for those who have acquired enough cultural capital and social mobility to ‘rise above the filth’. Since the publication in English of Julia Kristeva’s Power’s of Horror: An Essay on Abjection in 1982, an entire theoretical paradigm has emerged that celebrates the ‘transgressive’ potential of encounters with filth. Such theoretical ‘abject encounters’ are rarely subversive but are on the contrary an increasingly normative and problematic feature of a media and cultural studies devoid of political direction. Instead of assuming that confrontations with ‘filth’ are ‘necessarily subversive and disruptive’ we need to rethink abjection as a violent exclusionary social force. As Miller notes, ‘disgust does not so much solve the dilemma of social powerlessness as diagnose it powerfully’ (353). Theoretical accounts of media and culture that invoke ‘the transformative potential of filth’ too often marginalize the real dirty politics of inequality. References Ahmed, Sara. The Cultural Politics of Emotion. Edinburgh: Edinburgh UP and New York: Routledge, 2004. Barthes, Roland. Mythologies. Trans. Annette Lavers. New York: Hill and Wang, 1972 [1949]. Birchill, Julie. “Yeah But, No But, Why I’m Proud to Be a Chav.” The Times 18 Feb. 2005. Chav Scum. 31 Oct. 2006 http://www.chavscum.co.uk>. Golder, Scott. “Webbed Footnotes: Collaborative Annotation on the Web.” MA Thesis 2003. 31 Oct. 2006 http://web.media.mit.edu/~golder/projects/webbedfootnotes/ golder-thesis-2005.pdf>. Hayward, Keith, and Majid Yar. “The ‘Chav’ Phenomenon: Consumption, Media and the Construction of a New Underclass.” Crime, Media, Culture 2.1 (2006): 9-28. Kristeva, Julia. Powers of Horror: An Essay on Abjection. Trans. Leon Roudiez. New York: Columbia UP, 1982. Larcombe, Duncan. “Future Bling of England.” The Sun 10 April 2006. Menninghaus, Winfried. Disgust: Theory and History of a Strong Sensation. Trans. Howard Eiland and Joel Golb. State University of New York Press, 2003. Miller, William. The Anatomy of Disgust. Harvard UP, 1998. Nayak, Anoop. Race, Place and Globalization: Youth Cultures in a Changing World. Oxford: Berg, 2003. Ngai, Sianne. Ugly Feelings: Literature, Affect, and Ideology. Harvard UP, Cambridge, 2005. “Proud to be Chav.” The Sun. 31 Oct. 2006 http://www.thesun.co.uk>. Sayer, Andrew. “What Are You Worth? Why Class Is an Embarrassing Subject.” Sociological Research Online 7.3 (2002). 31 Oct. 2006 http://www.socresonline.org.uk/7/3/sayer.html>. Skeggs, Beverly. Class, Self and Culture. London. Routledge, 2005. Urbandictionary. “Chav.” 31 Oct. 2006 http://www.urbandictionary.com/define.php?term=chav>. Wray, Matt, and Annalee Newitz, eds. White Trash: Race and Class in America. London: Routledge, 1997. Citation reference for this article MLA Style Tyler, Imogen. "Chav Scum: The Filthy Politics of Social Class in Contemporary Britain." M/C Journal 9.5 (2006). echo date('d M. Y'); ?> <http://journal.media-culture.org.au/0610/09-tyler.php>. APA Style Tyler, I. (Nov. 2006) "Chav Scum: The Filthy Politics of Social Class in Contemporary Britain," M/C Journal, 9(5). Retrieved echo date('d M. Y'); ?> from <http://journal.media-culture.org.au/0610/09-tyler.php>.

In August 2017, a white supremacist rally marketed as “Unite the Right” was held in Charlottesville, Virginia. In participation were members of the alt-right, including neo-nazis, white nationalists, neo-confederates, and other hate groups (Atkinson). The rally swiftly erupted in violence between white supremacists and counter protestors, culminating in the death of a counter-protester named Heather Heyer, who was struck by a car driven by white supremacist James Alex Fields, and leaving dozens injured. Terry McQuliffe, the Governor of Virginia, declared a state of emergency on August 12, and the world watched while white supremacists boldly marched in clothing emblazoned with symbols ranging from swastikas to a cartoon frog (Pepe), with flags featuring the nation of “Kekistan”, and carrying tiki torches chanting, “You Will Not Replace Us... Jews Will Not Replace Us”.The purpose of this essay is not, however, to examine the Internet symbols that circulated during the Unite the Right rally but rather to hone in on a specific moment that illustrates a key part of Internet culture that was often overlooked during analysis of the events that occurred during the riots: a documentary filmmaker, C. J. Hunt, was at the rally to record footage for a project on the removal of Confederate monuments. While there, he saw a rally-goer dressed in the white polo t-shirt and khaki pants uniform of the white nationalist group Vanguard America. The rally-goer, a young white man, was being chased by a counter-protester. He began to scream and beg for mercy, and even went as far as stripping off his clothing and denying that he really believed in any of the group’s ideology. In the recording by Hunt, who asks why he was there and why he was undressing, the young white man responded that shouting white power is “fun”, and that he was participating in the event because he, quote, “likes to be offensive” (Hunt).As Hunt notes in a piece for GQ reflecting on his experience at the rally, as soon as the man was cut off from his group and confronted, the runaway racist’s demeanor immediately changed when he had to face the consequences of his actions. Trolls often rely on the safety and anonymity of online forums and digital spaces where they are often free from having to face the consequences of their actions, and for the runaway racist, things became real very quickly when he was forced to own up to his hateful actions. In a way, many members of these movements seem to want politics without consequence for themselves, but with significant repercussions for others. Milo Yiannopoulos, a self-professed “master troll”, built an entire empire worth millions of dollars off of what the far-right defends as ironic hate speech and a form of politics without consequences reserved only for the privileged white men that gleefully engage in it. The runaway racist and Yiannopoulos are borne out of an Internet culture that is built on being offensive, on trolling, and “troll” itself being an aspirational label and identity, but also more importantly, a political aesthetic.In this essay, I argue that trolling itself has become a kind of political aesthetic and identity, and provide evidence via examples like hoaxes, harassment campaigns, and the use of memes to signal to certain online populations and extremist groups in violent attacks. First coined by Walter Benjamin in order to explain a fundamental component of using art to foster consent and compliance in fascist regimes, the term since then has evolved to encompass far more than just works of art. Benjamin’s original conception of the term is in regard to a creation of a spectacle that prevents the masses from recognizing their rights – in short, the aestheticization of politics is not just about the strategies of the fascist regimes themselves but says more about the subjects within them. In the time of Benjamin’s writing, the specific medium was mass propaganda through the newly emerging film industry and other forms of art (W. Benjamin). To Benjamin, these aesthetics served as tools of distracting to make fascism more palatable to the masses. Aesthetic tools of distraction serve an affective purpose, revealing the unhappy consciousness of neoreactionaries (Hui), and provide an outlet for their resentment.Since political aesthetics are concerned with how cultural products like art, film, and even clothing reflect political ideologies and beliefs (Sartwell; McManus; Miller-Idriss), the objects of analysis in this essay are part of the larger visual culture of the alt-right (Bogerts and Fielitz; Stanovsky). Indeed, aesthetic aspects of political systems shift their meaning over time, or are changed and redeployed with transformed effect (Sartwell). In this essay, I am applying the concept of the aestheticization of politics by analyzing how alt-right visual cultures deploy distraction and dissimulation to advance their political agenda through things like trolling campaigns and hoaxes. By analyzing these events, their use of memes, trolling techniques, and their influence on mainstream culture, what is revealed is the influence of trolling on political culture for the alt-right and how the alt-right then distracts the rest of the public (McManus).Who’s Afraid of the Big Bad Troll?Large scale analyses of disinformation and extremist content online tends to examine how certain actors are connected, what topics emerge and how these are connected across platforms, and the ways that disinformation campaigns operate in digital environments (Marwick and Lewis; Starbird; Benkler et al.). Masculine and white-coded technology gave rise to male-dominated digital spaces (R. Benjamin), with trolling often being an issue faced by non-normative users of the Internet and their communities (Benjamin; Lumsden and Morgan; Nakamura; Phillips, Oxygen). Creating a kind of unreality where it is difficult to parse out truth from lies, fiction from non-fiction, the troll creates cultural products, and by hiding behind irony and humor confuses onlookers and is removed from any kind of reasonable blame for their actions. Irony has long been a rhetorical strategy used in politics, and the alt right has been no exception (Weatherby), but for our current sociopolitical landscape, trolling is a political strategy that infuses irony into politics and identity.In the digital era, political memes and internet culture are pervasive components of the spread of hate speech and extremist ideology on digital platforms. Trolling is not an issue that exists in a vacuum – rather, trolls are a product of greater mainstream culture that encourages and allows their behaviors (Phillips, This Is Why; Fichman and Sanfilippo; Marwick and Lewis). Trolls, and meme culture in general, have often been pointed to as being part of the reason for the rise of Trump and fascist politics across the world in recent years (Greene; Lamerichs et al.; Hodge and Hallgrimsdottir; Glitsos and Hall). Although criticism has been expressed about how impactful memes were in the election of Donald Trump, political memes have had an impact on the ways that trolling went from anonymous jerks on forums to figures like Yiannapoulos who built entire careers off of trolling, creating empires of hate (Lang). These memes that are often absurd and incomprehensible to those who are not a part of the community that they come from aim to cheapen, trivialize, and mock social justice movements like Black Lives Matter, feminism, LGBTQ+ rights, and others.But the history of trolling online goes as far back as the Internet itself. “Trolling” is just a catch all term to describe online behaviors meant to antagonize, to disrupt online conversations, and to silence other users (Cole; Fichman and Sanfilippo). As more and more people started moving online and engaging in participatory culture, trolling continued to evolve from seemingly harmless jokes like the “Rick Roll” to targeted campaigns meant to harass women off of social media platforms (Lumsden and Morgan; Graham). Trolling behaviors are more than just an ugly part of the online experience, but are also a way for users to maintain the borders of their online community - it’s meant to drive away those who are perceived to be outsiders not just from the specific forum, but the Internet itself (Graham). With the rise of modern social media platforms, trolling itself is also a part of the political landscape, creating a “toxic counterpublic” that combines irony with a kind of earnestness to spread and inject their beliefs into mainstream political discourse (Greene). As a mode of information warfare, these subversive rhetorical strategies meant to contradict or reverse existing political and value systems have been used throughout history as a political tactic (Blackstock).The goal of trolling is not just to disrupt conversations, but to lead to chaos via confusion about the sincerity and meaning of messages and visuals, and rather than functioning as a politics of outrage (on the part of the adherents), it is a politics of being as outrageous as possible. As a part of larger meme culture, the aesthetics of trolls and their outrageous content manage to operate under the radar by being able to excuse their behaviors and rhetoric as just “trolling” or “joking”. This ambiguity points to trolling on the far right as a political strategy and identity to absolve them of blame or accusations of what their real intentions are. Calling them “trolls” hides the level of sophistication and vast levels of influence that they had on public opinion and discourse in the United States (Geltzer; Starks et al.; Marwick and Lewis). We no longer live in a world apart from the troll’s influence and immune from their toxic discourse – rather, we have long been under the bridge with them.Co-Opted SymbolsOne of the most well-known examples of trolling as a political aesthetic and tactic may be the OK hand sign used by the Christchurch shooter. The idea that the OK hand sign was a secretly white supremacist symbol started as a hoax on 4chan. The initial 2017 hoax purported that the hand sign was meant to stand for “White Power”, with the three fingers representing the W and the circle made with the index finger and thumb as the P (Anti-Defamation League, “Okay Hand Gesture”). The purpose of perpetuating the hoax was to demonstrate that (a) they were being watched and (b) that the mainstream media is stupid and gullible enough to believe this hoax. Meant to incite confusion and to act as a subversive strategy, the OK hand sign was then actually adopted by the alt-right as a sort of meme to not just perpetuate the hoax, but to signal belonging to the larger group (Allyn). Even though the Anti-Defamation League initially listed it as not being a hate symbol and pointed out the origins of the hoax (Anti-Defamation League, “No, the ‘OK’ Gesture Is Not a Hate Symbol”), they then switched their opinion when the OK hand sign was being flashed by white supremacists, showing up in photographs at political events, and other social media content. In fact, the OK hand sign is also a common element in pictures of Pepe the Frog, who is a sort of “alt right mascot” (Tait; Glitsos and Hall), but like the OK hand sign, Pepe the Frog did not start as an alt-right mascot and was co-opted by the alt-right as a mode of representation.The confusion around the actual meaning behind the hand symbol points to how the alt-right uses these modes of representation in ways that are simultaneously an inside joke and a real expression of their beliefs. For instance, the Christchurch shooter referenced a number of memes and other rhetoric typical of 4chan and 8chan communities in his video and manifesto (Quek). In the shooter’s manifesto and video, the vast amounts of content that point to the trolling and visual culture of the alt-right are striking – demonstrating how alt-right memes not only make this violent ideology accessible, but are cultural products meant to be disseminated and ultimately, result in some kind of action (DeCook).The creation and co-optation of symbols by the alt-right like the OK hand sign are not just memes, but a form of language created by extremists for extremists (Greene; Hodge and Hallgrimsdottir). The shooter’s choice of including this type of content in his manifesto as well as certain phrases in his live-streamed video indicate his level of knowledge of what needed to be done for his attack to get as much attention as possible – the 4chan troll is the modern-day bogeyman, and parts of the manifesto have been identified as intentional traps for the mainstream media (Lorenz).Thus, the Christchurch shooter and trolling culture are linked, but referring to the symbols in the manifesto as being a part of “trolling” culture misses the deeper purpose – chaos, through the outrage spectacle, is the intended goal, particularly by creating arguments about the nature and utility of online trolling behavior. The shooter encouraged other 8chan users to disseminate his posted manifesto as well as to share the video of the attack – and users responded by immortalizing the event in meme format. The memes created celebrated the shooter as a hero, and although Facebook did remove the initial livestream video, it was reuploaded to the platform 1.2 million times in the first 24 hours, attempting to saturate the online platform with so many uploads that it would cause confusion and be difficult to remove (Gramenz). Some users even created gifs or set the video to music from the Doom video game soundtrack – a video game where the player is a demon slayer in an apocalyptic world, further adding another layer of symbolism to the attack.These political aesthetics – spread through memes, gifs, and “fan videos” – are the perfect vehicles for disseminating extremist ideology because of what they allow the alt-right to do with them: hide behind them, covering up their intentions, all the while adopting them as signifiers for their movement. With the number of memes, symbols, and phrases posted in his manifesto and spoken aloud in his mainstream, perhaps the Christchurch shooter wanted the onus of the blame to fall on these message board communities and the video games and celebrities referenced – in effect, it was “designed to troll” (Lorenz). But, there is a kernel of truth in every meme, post, image, and comment – their memes are a part of their political aesthetic, thus implicit and explicit allusions to the inner workings of their ideology are present. Hiding behind hoaxes, irony, edginess, and trolling, members of the alt-right and other extremist Internet cultures then engage in a kind of subversion that allows them to avoid taking any responsibility for real and violent attacks that occur as a result of their discourse. Antagonizing the left, being offensive, and participating in this outrage spectacle to garner a response from news outlets, activists, and outsiders are all a part of the same package.Trolls and the Outrage SpectacleThe confusion and the chaos left behind by these kinds of trolling campaigns and hoaxes leave many to ask: How disingenuous is it? Is it meant for mere shock value or is it really reflective of the person’s beliefs? In terms of the theme of dissimulation for this special issue, what is the real intent, and under what pretenses should these kinds of trolling behaviors be understood? Returning to the protestor who claimed “I just like to be offensive”, the skepticism from onlookers still exists: why go so far as to join an alt-right rally, wearing the uniform of Identity Evropa (now the American Identity Movement), as a “joke”?Extremists hide behind humor and irony to cloud judgments from others, begging the question of can we have practice without belief? But, ultimately, practice and belief are intertwined – the regret of the Runaway Racist is not because he suddenly realized he did not “believe”, but rather was forced to face the consequences of his belief, something that he as a white man perhaps never really had to confront. The cultural reach of dissimulation, in particular hiding true intent behind the claim of “irony”, is vast - YouTuber Pewdiepie claimed his use of racial and anti-Semitic slurs and putting on an entire Ku Klux Klan uniform in the middle of a video were “accidental” only after considerable backlash (Picheta). It has to be noted, however, that Pewdiepie is referenced in the manifesto of the Christchurch shooter – specifically, the shooter yelled during his livestream “subscribe to Pewdiepie”, (Lorenz). Pewdiepie and many other trolls, once called out for their behavior, and regardless of their actual intent, double down on their claims of irony to distract from the reality of their behaviors and actions.The normalization of this kind of content in mainstream platforms like Twitter, YouTube, Facebook, and even Instagram show how 4chan and alt-right Internet culture has seeped out of its borders and exists everywhere online. This “coded irony” is not only enabled rhetorically due to irony’s slippery definition, but also digitally via these online media (Weatherby). The aesthetics of the troll are present in every single platform and are disseminated everywhere – memes are small cultural units meant to be passed on (Shifman), and although one can argue it was not memes alone that resulted in the rise of the alt-right and the election of Donald Trump, memes are a part of the larger puzzle of the political radicalization process. The role of the Internet in radicalization is so powerful and insidious because of the presentation of content – it is funny, edgy, ironic, offensive, and outrageous. But these behaviors and attitudes are not just appealing to some kind of adolescent-like desire to push boundaries of what is and is not socially acceptable and/or politically incorrect (Marwick and Lewis), and calling it such clouds people’s perceptions of their level of sophistication in shaping political discourse.Memes and the alt-right are a noted phenomenon, and these visual cultures created by trolls on message boards have aided in the rise of the current political situation worldwide (Hodge and Hallgrimsdottir). We are well in the midst of a type of warfare based on not weapons and bodies, but information and data - in which memes and other elements of the far right’s political aesthetic play an important role (Molander et al.; Prier; Bogerts and Fielitz). The rise of the online troll as a political player and the alt-right are merely the logical outcomes of these systems.ConclusionThe alt-right’s spread was possible because of the trolling cultures and aesthetics of dissimulation created in message boards that predate 4chan (Kitada). The memes and inflammatory statements made by them serve multiple purposes, ranging from an intention to incite outrage among non-members of the group to signal group belonging and identity. In some odd way, if people do not understand the content, the content actually speaks louder and, in more volumes, that it would if its intent was more straightforward – in their confusion, people give these trolling techniques more attention and amplification in their attempt to make sense of them. Through creating confusion, distraction, and uncertainty around the legitimacy of messages, hand signs, and even memes, the alt-right has elevated the aestheticization of politics to a degree that Walter Benjamin could perhaps not have predicted in his initial lament about the distracted masses of fascist regimes (McManus). The political dimensions of trolling and the cognitive uncertainty that it creates is a part of its goal. Dismissing trolls is no longer an option, but also regarding them as sinister political operatives may be overblowing their significance. In the end, “ironic hate speech” is still hate speech, and by couching their extremist ideology in meme format they make their extremist beliefs more palatable -- and nobody is completely immune to their strategies.ReferencesAllyn, Bobby. “The ‘OK’ Hand Gesture Is Now Listed as a Symbol of Hate.” NPR 2019. <https://www.npr.org/2019/09/26/764728163/the-ok-hand-gesture-is-now-listed-as-a-symbol-of-hate>.Anti-Defamation League. “No, the ‘OK’ Gesture Is Not a Hate Symbol.” Anti-Defamation League. 10 Dec. 2017 <https://www.adl.org/blog/no-the-ok-gesture-is-not-a-hate-symbol>.———. “Okay Hand Gesture.” Anti-Defamation League. 28 Feb. 2020 <https://www.adl.org/education/references/hate-symbols/okay-hand-gesture>.Atkinson, David C. “Charlottesville and the Alt-Right: A Turning Point?” Politics, Groups, and Identities 6.2 (2018): 309-15.Benjamin, Ruha. Race after Technology: Abolitionist Tools for the New Jim Code. Polity, 2019.Benjamin, Walter. 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The Alt Right Are Not Alright Academic explorations complicating both the Internet and whiteness have often focussed on the rise of the “alt-right” to examine the co-option of digital technologies to extend white supremacy (Daniels, “Cyber Racism”; Daniels, “Algorithmic Rise”; Nagle). The term “alt-right” refers to media organisations, personalities, and sarcastic Internet users who promote the “alternative right”, understood as extremely conservative, political views online. The alt-right, in all of their online variations and inter-grouping, are infamous for supporting white supremacy online, “characterized by heavy use of social media and online memes. Alt-righters eschew ‘establishment’ conservatism, skew young, and embrace white ethnonationalism as a fundamental value” (Southern Poverty Law Center). Theoretical studies of the alt-right have largely focussed on its growing presence across social media and websites such as Twitter, Reddit, and notoriously “chan” sites 4chan and 8chan, through the political discussions referred to as “threads” on the site (Nagle; Daniels, “Algorithmic Rise”; Hawley). As well, the ability of online users to surpass national boundaries and spread global white supremacy through the Internet has also been studied (Back et al.). The alt-right have found a home on the Internet, using its features to cunningly recruit members and to establish a growing community that mainstream politically extreme views (Daniels, “Cyber Racism”; Daniels, “Algorithmic Rise; Munn). This body of knowledge shows that academics have been able to produce critically relevant literature regarding the alt-right despite the online anonymity of the majority of its members. For example, Conway et al., in their analysis of the history and social media patterns of the alt-right, follow the unique nature of the Christchurch Massacre, encompassing the use and development of message boards, fringe websites, and social media sites to champion white supremacy online. Positioning my research in this literature, I am interested in contributing further knowledge regarding the alt-right, white supremacy, and the Internet by exploring the sinister conducting of Zoom-bombing anti-racist events. Here, I will investigate how white supremacy through the Internet can lead to violence, abuse, and fear that “transcends the virtual world to damage real, live humans beings” via Zoom-bombing, an act that is situated in a larger co-option of the Internet by the alt-right and white supremacists, but has been under theorised as a hate crime (Daniels; “Cyber Racism” 7). Shitposting I want to preface this chapter by acknowledging that while I understand the Internet, through my own external investigations of race, power and the Internet, as a series of entities that produce racial violence both online and offline, I am aware of the use of the Internet to frame, discuss, and share anti-racist activism. Here we can turn to the work of philosopher Michel de Certeau who conceived the idea of a “tactic” as a way to construct a space of agency in opposition to institutional power. This becomes a way that marginalised groups, such as racialised peoples, can utilise the Internet as a tactical material to assert themselves and their non-compliance with the state. Particularly, shitposting, a tactic often associated with the alt-right, has also been co-opted by those who fight for social justice and rally against oppression both online and offline. As Roderick Graham explores, the Internet, and for this exploration, shitposting, can be used to proliferate deviant and racist material but also as a “deviant” byway of oppositional and anti-racist material. Despite this, a lot can be said about the invisible yet present claims and support of whiteness through Internet and digital technologies, as well as the activity of users channelled through these screens, such as the alt-right and their digital tactics. As Vikki Fraser remarks, “the internet assumes whiteness as the norm – whiteness is made visible through what is left unsaid, through the assumption that white need not be said” (120). It is through the lens of white privilege and claims to white supremacy that online irony, by way of shitposting, is co-opted and understood as an inherently alt-right tool, through the deviance it entails. Their sinister co-option of shitposting bolsters audacious claims as to who has the right to exist, in their support of white identity, but also hides behind a veil of mischief that can hide their more insidious intention and political ideologies. The alt-right have used “shitposting”, an online style of posting and interacting with other users, to create a form of online communication for a translocal identity of white nationalist members. Sean McEwan defines shitposting as “a form of Internet interaction predicated upon thwarting established norms of discourse in favour of seemingly anarchic, poor quality contributions” (19). Far from being random, however, I argue that shitposting functions as a discourse that is employed by online communities to discuss, proliferate, and introduce white supremacist ideals among their communities as well as into the mainstream. In the course of this article, I will introduce racist Zoom-bombing as a tactic situated in shitposting which can be used as a means of white supremacist discourse and an attempt to block anti-racist efforts. By this line, the function of discourse as one “to preserve or to reproduce discourse (within) a closed community” is calculatingly met through shitposting, Zoom-bombing, and more overt forms of white supremacy online (Foucault 225-226). Using memes, dehumanisation, and sarcasm, online white supremacists have created a means of both organising and mainstreaming white supremacy through humour that allows insidious themes to be mocked and then spread online. Foucault writes that “in every society the production of discourse is at once controlled, selected, organised and redistributed according to a certain number of procedures, whose role is to avert its powers and danger, to cope with chance events, to evade ponderous, awesome materiality” (216). As Philippe-Joseph Salazar recontextualises to online white supremacists, “the first procedure of control is to define what is prohibited, in essence, to set aside that which cannot be spoken about, and thus to produce strategies to counter it” (137). By this line, the alt-right reorganises these procedures and allocates a checked speech that will allow their ideas to proliferate in like-minded and growing communities. As a result, online white supremacists becoming a “community of discourse” advantages them in two ways: first, ironic language permits the mainstreaming of hate that allows sinister content to enter the public as the severity of their intentions is doubted due to the sarcastic language employed. Second, shitposting is employed as an entry gate to more serious and dangerous participation with white supremacist action, engagement, and ideologies. It is important to note that white privilege is embodied in these discursive practices as despite this exploitation of emerging technologies to further white supremacy, there are approaches that theorise the alt-right as “crazed product(s) of an isolated, extremist milieu with no links to the mainstream” (Moses 201). In this way, it is useful to consider shitposting as an informal approach that mirrors legitimised white sovereignties and authorised white supremacy. The result is that white supremacist online users succeed in “not only in assembling a community of actors and a collective of authors, on the dual territory of digital communication and grass-roots activism”, but also shape an effective fellowship of discourse that audiences react well to online, encouraging its reception and mainstreaming (Salazar 142). Continuing, as McBain writes, “someone who would not dream of donning a white cap and attending a Ku Klux Klan meeting might find themselves laughing along to a video by the alt-right satirist RamZPaul”. This idea is echoed in a leaked stylistic guide by white supremacist website and message board the Daily Stormer that highlights irony as a cultivated mechanism used to draw new audiences to the far right, step by step (Wilson). As showcased in the screen capture below of the stylistic guide, “the reader is at first drawn in by curiosity or the naughty humor and is slowly awakened to reality by repeatedly reading the same points” (Feinburg). The result of this style of writing is used “to immerse recruits in an online movement culture built on memes, racial panic and the worst of Internet culture” (Wilson). Figure 1: A screenshot of the Daily Stormer’s playbook, expanding on the stylistic decisions of alt-right writers. Racist Zoom-Bombing In the timely text “Racist Zoombombing”, Lisa Nakamura et al. write the following: Zoombombing is more than just trolling; though it belongs to a broad category of online behavior meant to produce a negative reaction, it has an intimate connection with online conspiracy theorists and white supremacy … . Zoombombing should not be lumped into the larger category of trolling, both because the word “trolling” has become so broad it is nearly meaningless at times, and because zoombombing is designed to cause intimate harm and terrorize its target in distinct ways. (30) Notwithstanding the seriousness of Zoom-bombing, and to not minimise its insidiousness by understanding it as a form of shitposting, my article seeks to reiterate the seriousness of shitposting, which, in the age of COVID-19, Zoom-bombing has become an example of. I seek to purport the insidiousness of the tactical strategies of the alt-right online in a larger context of white violence online. Therefore, I am proposing a more critical look at the tactical use of the Internet by the alt-right, in theorising shitposting and Zoom-bombing as means of hate crimes wherein they impose upon anti-racist activism and organising. Newlands et al., receiving only limited exposure pre-pandemic, write that “Zoom has become a household name and an essential component for parties (Matyszczyk, 2020), weddings (Pajer, 2020), school and work” (1). However, through this came the strategic use of co-opting the application by the alt-right to digitise terror and ensure a “growing framework of memetic warfare” (Nakamura et al. 31). Kruglanski et al. label this co-opting of online tools to champion white supremacy operations via Zoom-bombing an example of shitposting: Not yet protesting the lockdown orders in front of statehouses, far-right extremists infiltrated Zoom calls and shared their screens, projecting violent and graphic imagery such as swastikas and pornography into the homes of unsuspecting attendees and making it impossible for schools to rely on Zoom for home-based lessons. Such actions, known as “Zoombombing,” were eventually curtailed by Zoom features requiring hosts to admit people into Zoom meetings as a default setting with an option to opt-out. (128) By this, we can draw on existing literature that has theorised white supremacists as innovation opportunists regarding their co-option of the Internet, as supported through Jessie Daniels’s work, “during the shift of the white supremacist movement from print to digital online users exploited emerging technologies to further their ideological goals” (“Algorithmic Rise” 63). Selfe and Selfe write in their description of the computer interface as a “political and ideological boundary land” that may serve larger cultural systems of domination in much the same way that geopolitical borders do (418). Considering these theorisations of white supremacists utilising tools that appear neutral for racialised aims and the political possibilities of whiteness online, we can consider racist Zoom-bombing as an assertion of a battle that seeks to disrupt racial justice online but also assert white supremacy as its own legitimate cause. My first encounter of local Zoom-bombing was during the Institute for Culture and Society (ICS) Seminar titled “Intersecting Crises” by Western Sydney University. The event sought to explore the concatenation of deeply inextricable ecological, political, economic, racial, and social crises. An academic involved in the facilitation of the event, Alana Lentin, live tweeted during the Zoom-bombing of the event: Figure 2: Academic Alana Lentin on Twitter live tweeting the Zoom-bombing of the Intersecting Crises event. Upon reflecting on this instance, I wondered, could efforts have been organised to prevent white supremacy? In considering who may or may not be responsible for halting racist shit-posting, we can problematise the work of R David Lankes, who writes that “Zoom-bombing is when inadequate security on the part of the person organizing a video conference allows uninvited users to join and disrupt a meeting. It can be anything from a prankster logging on, yelling, and logging off to uninvited users” (217). However, this beckons two areas to consider in theorising racist Zoom-bombing as a means of isolated trolling. First, this approach to Zoom-bombing minimises the sinister intentions of Zoom-bombing when referring to people as pranksters. Albeit withholding the “mimic trickery and mischief that were already present in spaces such as real-life classrooms and town halls” it may be more useful to consider theorising Zoom-bombing as often racialised harassment and a counter aggression to anti-racist initiatives (Nakamura et al. 30). Due to the live nature of most Zoom meetings, it is increasingly difficult to halt the threat of the alt-right from Zoom-bombing meetings. In “A First Look at Zoom-bombings” a range of preventative strategies are encouraged for Zoom organisers including “unique meeting links for each participant, although we acknowledge that this has usability implications and might not always be feasible” (Ling et al. 1). The alt-right exploit gaps, akin to co-opting the mainstreaming of trolling and shitposting, to put forward their agenda on white supremacy and assert their presence when not welcome. Therefore, utilising the pandemic to instil new forms of terror, it can be said that Zoom-bombing becomes a new means to shitpost, where the alt-right “exploits Zoom’s uniquely liminal space, a space of intimacy generated by users via the relationship between the digital screen and what it can depict, the device’s audio tools and how they can transmit and receive sound, the software that we can see, and the software that we can’t” (Nakamura et al. 29). Second, this definition of Zoom-bombing begs the question, is this a fair assessment to write that reiterates the blame of organisers? Rather, we can consider other gaps that have resulted in the misuse of Zoom co-opted by the alt-right: “two conditions have paved the way for Zoom-bombing: a resurgent fascist movement that has found its legs and best megaphone on the Internet and an often-unwitting public who have been suddenly required to spend many hours a day on this platform” (Nakamura et al. 29). In this way, it is interesting to note that recommendations to halt Zoom-bombing revolve around the energy, resources, and attention of the organisers to practically address possible threats, rather than the onus being placed on those who maintain these systems and those who Zoom-bomb. As Jessie Daniels states, “we should hold the platform accountable for this type of damage that it's facilitated. It's the platform's fault and it shouldn't be left to individual users who are making Zoom millions, if not billions, of dollars right now” (Ruf 8). Brian Friedberg, Gabrielle Lim, and Joan Donovan explore the organised efforts by the alt-right to impose on Zoom events and disturb schedules: “coordinated raids of Zoom meetings have become a social activity traversing the networked terrain of multiple platforms and web spaces. Raiders coordinate by sharing links to Zoom meetings targets and other operational and logistical details regarding the execution of an attack” (14). By encouraging a mass coordination of racist Zoom-bombing, in turn, social justice organisers are made to feel overwhelmed and that their efforts will be counteracted inevitably by a large and organised group, albeit appearing prankster-like. Aligning with the idea that “Zoombombing conceals and contains the terror and psychological harm that targets of active harassment face because it doesn’t leave a trace unless an alert user records the meeting”, it is useful to consider to what extent racist Zoom-bombing becomes a new weapon of the alt-right to entertain and affirm current members, and engage and influence new members (Nakamura et al. 34). I propose that we consider Zoom-bombing through shitposting, which is within “the location of matrix of domination (white supremacy, heteropatriarchy, ableism, capitalism, and settler colonialism)” to challenge the role of interface design and Internet infrastructure in enabling racial violence online (Costanza-Chock). Conclusion As Nakamura et al. have argued, Zoom-bombing is indeed “part of the lineage or ecosystem of trollish behavior”, yet these new forms of alt-right shitposting “[need] to be critiqued and understood as more than simply trolling because this term emerged during an earlier, less media-rich and interpersonally live Internet” (32). I recommend theorising the alt-right in a way that highlights the larger structures of white power, privilege, and supremacy that maintain their online and offline legacies beyond Zoom, “to view white supremacy not as a static ideology or condition, but to instead focus on its geographic and temporal contingency” that allows acts of hate crime by individuals on politicised bodies (Inwood and Bonds 722). This corresponds with Claire Renzetti’s argument that “criminologists theorise that committing a hate crime is a means of accomplishing a particular type of power, hegemonic masculinity, which is described as white, Christian, able-bodied and heterosexual” – an approach that can be applied to theorisations of the alt-right and online violence (136). This violent white masculinity occupies a hegemonic hold in the formation, reproduction, and extension of white supremacy that is then shared, affirmed, and idolised through a racialised Internet (Donaldson et al.). Therefore, I recommend that we situate Zoom-bombing as a means of shitposting, by reiterating the severity of shitposting with the same intentions and sinister goals of hate crimes and racial violence. References Back, Les, et al. “Racism on the Internet: Mapping Neo-Fascist Subcultures in Cyber-Space.” Nation and Race: The Developing Euro-American Racist Subculture. Eds. Jeffrey Kaplan and Tore Bjørgo. Northeastern UP, 1993. 73-101. Bonds, Anne, and Joshua Inwood. “Beyond White Privilege: Geographies of White Supremacy and Settler Colonialism.” Progress in Human Geography 40 (2015): 715-733. Conway, Maura, et al. “Right-Wing Extremists’ Persistent Online Presence: History and Contemporary Trends.” The International Centre for Counter-Terrorism – The Hague. Policy Brief, 2019. Costanza-Chock, Sasha. “Design Justice and User Interface Design, 2020.” Proceedings of the 33rd Annual ACM Symposium on User Interface Software and Technology. Association for Computing Machinery, 2020. Daniels, Jessie. “The Algorithmic Rise of the ‘Alt-Right.’” Contexts 17 (2018): 60-65. ———. “Race and Racism in Internet Studies: A Review and Critique.” New Media & Society 15 (2013): 695-719. ———. Cyber Racism: White Supremacy Online and the New Attack on Civil Rights. Rowman and Littlefield, 2009. De Certeau, Michel. The Practice of Everyday Life. First ed. U of California P, 1980. Donaldson, Mike. “What Is Hegemonic Masculinity?” Theory and Society 22 (1993): 643-657. Feinburg, Ashley. “This Is The Daily Stormer’s Playbook.” Huffington Post 13 Dec. 2017. <http://www.huffpost.com/entry/daily-stormer-nazi-style-guide_n_5a2ece19e4b0ce3b344492f2>. Foucault, Michel. “The Discourse on Language.” The Archaeology of Knowledge and the Discourse on Language. Ed. A.M. Sheridan Smith. Pantheon, 1971. 215-237. Fraser, Vicki. “Online Bodies and Sexual Subjectivities: In Whose Image?” The Racial Politics of Bodies, Nations and Knowledges. Eds. Barbara Baird and Damien W. Riggs. Newcastle: Cambridge Scholars Publishing, 2015. 116-132. Friedberg, Brian, Gabrielle Lim, and Joan Donovan. “Space Invaders: The Networked Terrain of Zoom Bombing.” Harvard Shorenstein Center, 2020. Graham, Roderick. “Race, Social Media and Deviance.” The Palgrave Handbook of International Cybercrime and Cyberdeviance. Eds. Thomas J. Holt and Adam M. Bossler, 2019. 67-90. Hawley, George. Making Sense of the Alt-Right. Columbia UP, 2017. Henry, Matthew G., and Lawrence D. Berg. “Geographers Performing Nationalism and Hetero-Masculinity.” Gender, Place & Culture 13 (2006): 629-645. Kruglanski, Arie W., et al. “Terrorism in Time of the Pandemic: Exploiting Mayhem.” Global Security: Health, Science and Policy 5 (2020): 121-132. Lankes, R. David. Forged in War: How a Century of War Created Today's Information Society. Rowman & Littlefield, 2021. Ling, Chen, et al. “A First Look at Zoombombing, 2021.” Proceedings of the 42nd IEEE Symposium on Security and Privacy. Oakland, 2021. McBain, Sophie. “The Alt-Right, and How the Paranoia of White Identity Politics Fuelled Trump’s Rise.” New Statesman 27 Nov. 2017. <http://www.newstatesman.com/culture/books/2017/11/alt-right-and-how-paranoia-white-identity-politics-fuelled-trump-s-rise>. McEwan, Sean. “Nation of Shitposters: Ironic Engagement with the Facebook Posts of Shannon Noll as Reconfiguration of an Australian National Identity.” Journal of Media and Communication 8 (2017): 19-39. Morgensen, Scott Lauria. “Theorising Gender, Sexuality and Settler Colonialism: An Introduction.” Settler Colonial Studies 2 (2012): 2-22. Moses, A Dirk. “‘White Genocide’ and the Ethics of Public Analysis.” Journal of Genocide Research 21 (2019): 1-13. Munn, Luke. “Algorithmic Hate: Brenton Tarrant and the Dark Social Web.” VoxPol, 3 Apr. 2019. <http://www.voxpol.eu/algorithmic-hate-brenton-tarrant-and-the-dark-social-web>. Nagle, Angela. Kill All Normies: Online Culture Wars from 4chan and Tumblr to Trump and the Alt-Right. Zero Books, 2017. Nakamura, Lisa, et al. Racist Zoom-Bombing. Routledge, 2021. Newlands, Gemma, et al. “Innovation under Pressure: Implications for Data Privacy during the COVID-19 Pandemic.” Big Data & Society July-December (2020): 1-14. Perry, Barbara, and Ryan Scrivens. “White Pride Worldwide: Constructing Global Identities Online.” The Globalisation of Hate: Internationalising Hate Crime. Eds. Jennifer Schweppe and Mark Austin Walters. Oxford UP, 2016. 65-78. Renzetti, Claire. Feminist Criminology. Routledge, 2013. Ruf, Jessica. “‘Spirit-Murdering' Comes to Zoom: Racist Attacks Plague Online Learning.” Issues in Higher Education 37 (2020): 8. Salazar, Philippe-Joseph. “The Alt-Right as a Community of Discourse.” Javnost – The Public 25 (2018): 135-143. Selfe, Cyntia L., and Richard J. Selfe, Jr. “The Politics of the Interface: Power and Its Exercise in Electronic Contact Zones.” College Composition and Communication 45 (1994): 480-504. Southern Poverty Law Center. “Alt-Right.” <http://www.splcenter.org/fighting-hate/extremist-files/ideology/alt-right>. Wilson, Jason. “Do the Christchurch Shootings Expose the Murderous Nature of ‘Ironic’ Online Fascism?” The Guardian, 16 Mar. 2019. <http://www.theguardian.com/world/commentisfree/2019/mar/15/do-the-christchurch-shootings-expose-the-murderous-nature-of-ironic-online-fascism>.

Le vidéoprojecteur présenté utilise une technique de projection par "paquets" de huit lignes, ce qui permet de diminuer du même facteur la cadence de balayage du miroir polygonal employé. Ces huit lignes sont modulées simultanément à l'aide de modulo-déviateurs acousto-optiques. La couleur est obtenue par synthèse additive de trois radiations monochromatiques issues de source laser de forte puissance. L’image projetée est composée de 1200 lignes de 2000 points pour des formats s/3 et 16/9

Dans ce mémoire a été développé l'étude et la réalisation d'une maquette à partir d'une source laser de forte puissance qui projette des images monochromes avec une définition six fois supérieure à celle des télévisions standards. Il a été développé un système de projection simultanée de 8 lignes vidéo pour réduire la cadence de balayage

Les objectifs de ce travail de thèse ont été: d’une part de détecter automatique-ment les images gelées dans des vidéos télédiffusées; et d’autre part de mesurer sans référencela qualité des vidéos télédiffusées (IP et DVB-T). Ces travaux ont été effectués dans le cadred’un projet de recherche mené conjointement par le LaBRI et la société Audemat WorldCastSystems.Pour la détection d’images gelées, trois méthodes ont été proposées: MV (basée vecteurde mouvement), DC (basée sur les coefficients DC de la DCT) et SURF (basée sur les pointscaractéristiques SURF). Les deux premières méthodes ne nécessitent qu’un décodage partieldu flux vidéo.Le second objectif était de mesurer sans référence la qualité des vidéos télédiffusées (IP etDVB-T). Une métrique a été développée pour mesurer la qualité perçue lorsque le flux vidéoa été altéré par des pertes de transmission. Cette métrique "Weighted Macro-Block ErrorRate" (WMBER) est fondée sur la mesure de la saillance visuelle et la détection des macro-blocs endommagés. Le rôle de la saillance visuelle est de pondérer l’importance des erreursdétectées. Certaines améliorations ont été apportées à la construction des cartes de saillancespatio-temporelle. En particulier, la fusion des cartes de saillance spatiale et temporelle aété améliorée par rapport à l’état de l’art. Par ailleurs, plusieurs études ont montré que lasémantique d’une scène visuelle avait une influence sur le comportement du système visuelhumain. Il apparaît que ce sont surtout les visages humains qui attirent le regard. C’est laraison pour laquelle nous avons ajouté une dimension sémantique aux cartes de saillancespatio-temporelle. Cette dimension sémantique est essentiellement basée sur le détecteurde visage de Viola Jones. Pour prédire la qualité perçue par les utilisateurs, nous avonsutilisé une méthode par apprentissage supervisé. Cette méthode offre ainsi la possibilité deprédire la métrique subjective "Mean Opinion Score" (MOS) à partir de mesures objectivestelles que le WMBER, PSNR ou SSIM. Une expérience psycho-visuelle a été menée avec 50sujets pour évaluer ces travaux. Cette base de données vidéo Haute-Définition est en coursde transfert à l’action COST Qualinet. Ces travaux ont également été évalués sur une autrebase de données vidéo (en définition standard) provenant de l’IRCCyN
The goal of this Ph.D thesis is to design a no-reference video quality assessment method for lossy net-works. This Ph.D thesis is conducted in collaboration with the Audemat Worldcast Systemscompany.Our first no-reference video quality assessment indicator is the frozen frame detection.Frozen frame detection was a research topic which was well studied in the past decades.However, the challenge is to embed a frozen frame detection method in the GoldenEagleAudemat equipment. This equipment has low computation resources that not allow real-time HD video decoding. Two methods are proposed: one based on the compressed videostream motion vectors (MV-method) and another one based on the DC coefficients from thedct transform (DC-method). Both methods only require the partial decoding of the com-pressed video stream which allows for real-time analysis on the GoldenEagle equipment.The evaluation shows that results are better than the frame difference base-line method.Nevertheless, the MV and the DC methods are only suitable with for MPEG2 and H.264video streams. So a third method based on SURF points is proposed.As a second step on the way to a no-reference video quality assessment metric, we areinterested in the visual perception of transmission impairments. We propose a full-referencemetric based on saliency maps. This metric, Weighted Mean Squared Error (WMSE), is theMSE metric weighted by the saliency map. The saliency map role is to distinguish betweennoticeable and unnoticeable transmission impairments. Therefore this spatio-temporal saliencymaps is computed on the impaired frame. Thus the pixel difference in the MSE computationis emphasized or diminished with regard to the pixel saliency. According to the state of theart, several improvements are brought to the saliency map computation process. Especially,new spatio-temporal saliency map fusion strategies are designed.After our successful attempt to assess the video quality with saliency maps, we develop ano-reference quality metric. This metric, Weighted Macro-Block Error Rate (WMBER), relies on the saliency map and the macro-block error detection. The macro-block error detectionprovides the impaired macro-blocks location in the frame. However, the impaired macro-blocks are concealed with more or less success during the decoding process. So the saliencymap provides the user perceived impairment strength for each macro-block.Several psycho-visual studies have shown that semantics play an important role in visualscene perception. These studies conclude that faces and text are the most attractive. Toimprove the spatio-temporal saliency model a semantic dimension is added. This semanticsaliency is based on the Viola & Jones face detector.To predict the Mean Opinion Score (MOS) from objective metric values like WMBER,WMSE, PSNR or SSIM, we propose to use a supervised learning approach. This approach iscalled Similarity Weighted Average (SWA). Several improvements are brought to the originalSWA.For the metrics evaluation a psycho-visual experiment with 50 subjects has been carriedout. To measure the saliency map models accuracy, a psycho-visual experiment with aneye-tracker has also been carried out. These two experiments habe been conducted in col-laboration with the Ben Gurion University, Israel. WMBER and WMSE performances arecompared with reference metrics like SSIM and PSNR. The proposed metrics are also testedon a database provided by IRCCyN research laboratory

Le Ministère des Ressources Naturelles et de la Faune (MRNF) a mandaté la compagnie de géomatique SYNETIX inc. de Montréal et le laboratoire de télédétection de l’Université de Montréal dans le but de développer une application dédiée à la détection automatique et la mise à jour du réseau routier des cartes topographiques à l’échelle 1 : 20 000 à partir de l’imagerie optique à haute résolution spatiale. À cette fin, les mandataires ont entrepris l’adaptation du progiciel SIGMA0 qu’ils avaient conjointement développé pour la mise à jour cartographique à partir d’images satellitales de résolution d’environ 5 mètres. Le produit dérivé de SIGMA0 fut un module nommé SIGMA-ROUTES dont le principe de détection des routes repose sur le balayage d’un filtre le long des vecteurs routiers de la cartographie existante. Les réponses du filtre sur des images couleurs à très haute résolution d’une grande complexité radiométrique (photographies aériennes) conduisent à l’assignation d’étiquettes selon l’état intact, suspect, disparu ou nouveau aux segments routiers repérés. L’objectif général de ce projet est d’évaluer la justesse de l’assignation des statuts ou états en quantifiant le rendement sur la base des distances totales détectées en conformité avec la référence ainsi qu’en procédant à une analyse spatiale des incohérences. La séquence des essais cible d’abord l’effet de la résolution sur le taux de conformité et dans un second temps, les gains escomptés par une succession de traitements de rehaussement destinée à rendre ces images plus propices à l’extraction du réseau routier. La démarche globale implique d’abord la caractérisation d’un site d’essai dans la région de Sherbrooke comportant 40 km de routes de diverses catégories allant du sentier boisé au large collecteur sur une superficie de 2,8 km2. Une carte de vérité terrain des voies de communication nous a permis d’établir des données de référence issues d’une détection visuelle à laquelle sont confrontés les résultats de détection de SIGMA-ROUTES. Nos résultats confirment que la complexité radiométrique des images à haute résolution en milieu urbain bénéficie des prétraitements telles que la segmentation et la compensation d’histogramme uniformisant les surfaces routières. On constate aussi que les performances présentent une hypersensibilité aux variations de résolution alors que le passage entre nos trois résolutions (84, 168 et 210 cm) altère le taux de détection de pratiquement 15% sur les distances totales en concordance avec la référence et segmente spatialement de longs vecteurs intacts en plusieurs portions alternant entre les statuts intact, suspect et disparu. La détection des routes existantes en conformité avec la référence a atteint 78% avec notre plus efficace combinaison de résolution et de prétraitements d’images. Des problèmes chroniques de détection ont été repérés dont la présence de plusieurs segments sans assignation et ignorés du processus. Il y a aussi une surestimation de fausses détections assignées suspectes alors qu’elles devraient être identifiées intactes. Nous estimons, sur la base des mesures linéaires et des analyses spatiales des détections que l’assignation du statut intact devrait atteindre 90% de conformité avec la référence après divers ajustements à l’algorithme. La détection des nouvelles routes fut un échec sans égard à la résolution ou au rehaussement d’image. La recherche des nouveaux segments qui s’appuie sur le repérage de points potentiels de début de nouvelles routes en connexion avec les routes existantes génère un emballement de fausses détections navigant entre les entités non-routières. En lien avec ces incohérences, nous avons isolé de nombreuses fausses détections de nouvelles routes générées parallèlement aux routes préalablement assignées intactes. Finalement, nous suggérons une procédure mettant à profit certaines images rehaussées tout en intégrant l’intervention humaine à quelques phases charnières du processus.
In order to optimize and reduce the cost of road map updating, the Ministry of Natural Resources and Wildlife is considering exploiting high definition color aerial photography within a global automatic detection process. In that regard, Montreal based SYNETIX Inc, teamed with the University of Montreal Remote Sensing Laboratory (UMRSL) in the development of an application indented for the automatic detection of road networks on complex radiometric high definition imagery. This application named SIGMA-ROUTES is a derived module of a software called SIGMA0 earlier developed by the UMRSL for optic and radar imagery of 5 to 10 meter resolution. SIGMA-ROUTES road detections relies on a map guided filtering process that enables the filter to be driven along previously known road vectors and tagged them as intact, suspect or lost depending on the filtering responses. As for the new segments updating, the process first implies a detection of potential starting points for new roads within the filtering corridor of previously known road to which they should be connected. In that respect, it is a very challenging task to emulate the human visual filtering process and further distinguish potential starting points of new roads on complex radiometric high definition imagery. In this research, we intend to evaluate the application’s efficiency in terms of total linear distances of detected roads as well as the spatial location of inconsistencies on a 2.8 km2 test site containing 40 km of various road categories in a semi-urban environment. As specific objectives, we first intend to establish the impact of different resolutions of the input imagery and secondly establish the potential gains of enhanced images (segmented and others) in a preemptive approach of better matching the image property with the detection parameters. These results have been compared to a ground truth reference obtained by a conventional visual detection process on the bases of total linear distances and spatial location of detection. The best results with the most efficient combination of resolution and pre-processing have shown a 78% intact detection in accordance to the ground truth reference when applied to a segmented resample image. The impact of image resolution is clearly noted as a change from 84 cm to 210 cm resolution altered the total detected distances of intact roads of around 15%. We also found many roads segments ignored by the process and without detection status although they were directly liked to intact neighbours. By revising the algorithm and optimizing the image pre-processing, we estimate a 90% intact detection performance can be reached. The new segment detection is non conclusive as it generates an uncontrolled networks of false detections throughout other entities in the images. Related to these false detections of new roads, we were able to identify numerous cases of new road detections parallel to previously assigned intact road segments. We conclude with a proposed procedure that involves enhanced images as input combined with human interventions at critical level in order to optimize the final product.