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Relevant bibliographies by topics / Perception filter

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Academic literature on the topic 'Perception filter'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Perception filter"

1

Casanova, Lisa M., Adam Walters, Ajith Nagahawatte, and Mark D. Sobsey. "Ceramic pot filter user satisfaction and water quantity production in tsunami-affected Sri Lankan communities." Journal of Water, Sanitation and Hygiene for Development 3, no. 4 (2013): 646–48. http://dx.doi.org/10.2166/washdev.2013.125.

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Sri Lanka was heavily damaged by the December 2004 Indian Ocean tsunami. To reduce risks from unsafe water, the Red Cross distributed ceramic pot filters to households. This analysis was undertaken to determine if flow rate affects user satisfaction with water production by the filter, and if filters produce enough water for household use. Mean filter flow rate was ∼1.25 L/hr, with wide filter-to-filter variation. The relationship between flow rate and user perception of whether the filter produced enough water for household needs is complex. Results suggest that many households had flow insufficient to produce 2 L per household member per day. Although continued use in this population remains high and users express satisfaction with filters, the amount of water produced remains a limitation of the filter.

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Kim, Mi-Ran, JeongAe Heo, Sang Sook Kim, Eui-Cheol Shin, Chang Guk Boo, and Han Sub Kwak. "Effect of Filter Types on Physicochemical Properties, Volatile Compounds, and Sensory Evaluations of Purified Water by Point-of-Use Water Treatment." Foods 10, no. 8 (2021): 1958. http://dx.doi.org/10.3390/foods10081958.

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This study investigated purified water from four different filter types for removing minerals, anions, and volatile organic compounds (VOCs), and affecting sensory perception and consumer acceptability. Ultrafiltration (UF), CSM-ultrafiltration (CU), alumina nanofiber (AN), and reverse osmosis (RO) filters were used for a point-of-use water treatment system with a pre-carbon filter (PR) and post-carbon filter (PO). Filters efficiently removed VOCs, which could negatively affect the sensory perception of water. The total VOC concentration of tap water (TW) (14.97 µg/Kg) was reduced by 70% by the PR, 75.3–88.7% by the PR-main filter, and >97% by the PR-RO-PR. Using the polarized sensory position test, the subjects clearly discriminated TW from the samples; however, most of the purified water was not. The difference in the mean ratings of consumer acceptability among the purified samples was <1 except for PR-RO-PO in consumer testing. These results suggested that although there are differences in the capability of different filter types to eliminate minerals, anions, and VOCs, overall consumers did not identify sensory differences among them, and demonstrated similar consumer acceptability of the purified water produced. Simply applying a pre-carbon filter for TW treatment is enough to minimize VOCs, which negatively influence consumer acceptability.

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Dau, T., B. Kollmeier, and A. Kohlrausch. "Modeling modulation perception: Modulation low‐pass filter or modulation filter bank?" Journal of the Acoustical Society of America 97, no. 5 (1995): 3273. http://dx.doi.org/10.1121/1.411616.

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Michalak, Krzysztof Piotr, Jacek Zabel, Jan Olszewski, Paulina Wojtyła-Buciora, and Anna Przekoracka-Krawczyk. "Application of Blue Filters Increases the Usefulness of Moreland Test in Anomaloscopic Color Vision Assessment for Blue–Green Color Range." International Journal of Environmental Research and Public Health 18, no. 14 (2021): 7654. http://dx.doi.org/10.3390/ijerph18147654.

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The effect of blue light filters on the anomaloscopic examination was analyzed. Thirty subjects (18–43 y, 20 female, 10 male) without color vision disorders were examined in 4 filter conditions: no filter (F-0), Blue Control Hoya (F-BC), Med-1 JZO (F-Med1) and 450 Eschenbach (F-450). Both Rayleigh test (red–green axis) and Moreland test (blue–green axis) were performed. Application of F-BC filter shows negligible effect on color vision perception in both tests. Contrary to this, the application of strong F-450 filter causes significant shift in Moreland test towards tritanopy and the decrease in correlations of Moreland parameters with Rayleigh test parameters. The application of medium strong F-Med1 filter causes the slight shift in Moreland test towards the center of the Moreland scale and increases the Spearman correlations between Moreland and Rayleigh test parameters. This observation suggests that the about 15–40% reduction of blue diode intensity in the Moreland test may be beneficial in detecting mild changes in color vision perception in the blue-green axis and may improve its usefulness in evaluating the color vision perception disorders accompanying different illnesses, such as diabetes, glaucoma, neuritis optica, or cataract. The discussion concerning the modifications of Moreland test construction is also presented.

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Kohlitz, Jeremy, Tasleem Hasan, Kamal Khatri, et al. "Assessing reported use and microbiological performance of a point-of-use household water filter in rural Fiji." Journal of Water, Sanitation and Hygiene for Development 3, no. 2 (2013): 207–15. http://dx.doi.org/10.2166/washdev.2013.061.

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A non-governmental organisation has distributed point-of-use water filtering units in the Western Division of Fiji. We sought to understand filter utilisation and water quality: both water flowing directly out of filters and stored water. We surveyed 270 households and 6 schools on filter use and performed hydrogen sulphide bacterial indicator testing on 24 water samples directly from filters and 37 stored water samples. Our response rate was 95%. Of these, only half (52%) reported consistently filtering their drinking water. Very few (8%) reported consistent use when preparing kava, a traditional drink. Factors associated with limited filter use included lost or broken filter parts (22%) (p &lt; 0.05) and perception of source water quality as 44% of respondents who believed their source water was safe to drink reported consistent filter use compared to 68% of respondents who did not (p &lt; 0.01). Bacterial indicator testing using hydrogen sulphide paper-strips showed that most water samples directly from the filter (71%) and from storage vessels (76%) were contaminated. Limited levels of use and high levels of contamination in both water directly from the filter and stored water raise serious questions as to the benefit of the filter even as an interim water quality solution in this setting.

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Ding, Jian, and Dennis M. Levi. "A comprehensive depth perception model with filter/cross-correlation/filter (F-CC-F) structure." Journal of Vision 19, no. 10 (2019): 263a. http://dx.doi.org/10.1167/19.10.263a.

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Zhu, Zhu, Julang Jiang, and Xiaoguo Zhang. "Edge-preserving regularized filter with visual perception outlier measurement." International Journal of Computers and Applications 37, no. 3-4 (2015): 120–26. http://dx.doi.org/10.1080/1206212x.2016.1188567.

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LI, J., Z. DING, D. DENG, et al. "How does Bangerter filter affect the normal visual perception?" Acta Ophthalmologica 89, s248 (2011): 0. http://dx.doi.org/10.1111/j.1755-3768.2011.467.x.

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Li, Ye, Zhen Lu, and Yong Jie Pang. "Strong Tracking Filter Based on Extended Kalman Filter for Data Processing of Underwater Vehicle." Advanced Materials Research 219-220 (March 2011): 569–73. http://dx.doi.org/10.4028/www.scientific.net/amr.219-220.569.

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A strong tracking filter based on suboptimal fading extended Kalman filter was proposed to ensure the perception for the motion state of underwater vehicles accurate in the paper. For the uncertainty of nonlinear system model, the strong tracking filter theory was introduced, orthogonality principle was put forward. Then suboptimal fading factor was pulled in, and extended Kalman filter for nonlinear system was established. The strong tracking filter was applied to data processing of underwater vehicle, and results indicate that it can effectively improve the accuracy and robustness of underwater navigation information.

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Febriyanti, Rike, та Lailatul Husna. "Production of Vowel /ə/ in Sundanese by Japanese Native Speakers in First Exposure". Lingua Cultura 14, № 2 (2020): 225–31. http://dx.doi.org/10.21512/lc.v14i2.6763.

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The research described native Japanese speakers’ perception of Sundanese vowel /ə/ after the first exposure to a controlled naturalistic input of conversation. The research worked in respect of Brown’s model of L2 speech perception and L1 feature geometry, which sought to relate theories of segmental phonology to L2 speech perception and the first exposure treatment. Some Sundanese native speakers conducted a conversation that contained the /ə/ vowel in front of five Japanese native speakers with no prior exposure to Sundanese. Therefore, the researchers had collected speech data from five L1 Japanese native speakers (three males, two females, Mage = 22, SD = 2,1). The Japanese were asked to listen to the short conversation and imitate vowel /ə/, which did not exist in the Japanese language vowel inventory. The observation confirmed Brown’s hypothesis that L2 perception of /ə/ vowel was constrained by the L1 feature geometry. L1 Japanese language phonological properties worked as a perceptual filter to Sundanese L2 input, causing the Japanese L2 learners to perceive only the vowel discriminated by phonological features presented in Sundanese. The data show that the Japanese native speakers are able to overcome the perceptual filters so they can produce various frequencies of vowel /ə/, which are statistically similar to the frequency produced by Sundanese native speakers. The research implies that the possibility of learning new sounds from an entirely new language is wide open when the learner is able to pass through the L1 perceptual filter.

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Dissertations / Theses on the topic "Perception filter"

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Berger, Robert C. "Visual search for moving stimuli : the role of a movement filter." Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297122.

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Mannix, Michael G. "The prediction of edge raggedness via a single-channel filter model of the visual system /." Online version of thesis, 1987. http://hdl.handle.net/1850/9675.

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Junior, Márcio Fernando Stabile. "Melhorando o desempenho de agentes BDI Jason através de filtros de percepção." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/45/45134/tde-05022016-160602/.

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Um dos problemas do paradigma BDI quando se integram agentes a ambientes virtuais ou simuladores é a ausência de controle sobre as suas percepções. Não havendo alguma forma de percepção direcionada ao objetivo, o agente pode ser inundado por informações irrelevantes causando um aumento injustificado do tempo de processamento. Com o objetivo de fornecer um maior controle sobre as percepções do agente e reduzir o seu tempo de resposta, este trabalho apresenta um mecanismo de filtragem das percepções para o interpretador Jason que visa eliminar aquelas percepções que podem ser ignoradas. Para tal, foram propostos e implementados alguns tipos de filtros pré-definidos, que foram aplicados a três cenários diferentes. Através de validações estatísticas apropriadas, mostrou-se que a aplicação de filtros de percepção pode reduzir em até 80% o tempo de processamento de um agente, sem afetar significativamente o seu desempenho medido em termos de sua função de utilidade.<br>When agents are supposed to be integrated to virtual environments virtual or simulators, one of the BDI paradigms major concerns is the lack of control over the agents perceptions. Without having any form of goal directed perceptions, the agent may be flooded by irrelevant information thus causing an unjustified increase in processing time. In order to provide greater control on the agents perceptions and to reduce its time response, this work presents a filtering perception mechanism for the Jason interpreter, aimed at eliminating those perceptions that can be ignored. To this end, some types of pre-defined filters have been proposed, implemented, and applied to three different scenarios. Through appropriate statistical validation methods, it was shown that applying perception filters can reduce up to 80 % of an agents processing time, without significantly affecting its performance measured in terms of its utility function.

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Edström, Alice, and Bo Björkman. "An Empirical Study Concerning Filter Bubbles and Echo Chambers : The perception of personalized content in news applications." Thesis, Södertörns högskola, Medieteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-39124.

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The aim of this study was to investigate the perception of personalization on news applications and to examine to what extent it is seen as an optimal solution for users to receive information. Due to the growth of online news and digital journalism the amount of information that is being published online is significantly higher nowadays than it has previously been. Therefore, a recommendation system called personalization has been introduced to choose content for the reader. Many concerns of personalization have already been brought to light, these concerns are believed to be contributing to filter bubbles and echo chambers. This study will investigate these concerns further in order to understand the users. The methodology used in the study were semi-structured interviews and an analysis based on the concerns brought forward by Borgesius et al. Six interviews were conducted with users and two were conducted with major news organizations in Sweden. The results of the study indicate that users fear personalization will cause filter bubbles and polarization due to them only being subjected to one perspective. The users are unaware as to how personalization works and therefore question why it is being introduced into news applications. Due to personalization being a new phenomenon news applications it is not yet seen as an optimal solution by users or news organizations. There are, however, many factors that can assist in its development such as transparency and awareness of the phenomenon.

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Gorea, Andrei. "Le codage visuel des constituants "elementaires" de l'image : approche psychophysique." Paris 6, 1986. http://www.theses.fr/1986PA066473.

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L'image, telle que nous la percevons, resulte d'un traitement en parallele de ses constituants "elementaires" suivi de leur synthese en des ensembles significatifs. Ce travail developpe les problemes theoriques souleves par la caracterisation de ces "primitives" visuelles et par le processus de segmentation en general, presente plusieurs classes de modeles de la detection et de l'identification de ces primitives et discute de la compatibilite de leurs predictions quantitatives avec, d'une part, les resultats de la psychophysique et, d'autre part, avec ce que nous savons sur la neurophysiologie des voies visuelles

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Goeller, Adrien. "Contribution à la perception augmentée de scènes dynamiques : schémas temps réels d’assimilation de données pour la mécanique du solide et des structures." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLC013/document.

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Dans le monde industriel comme dans le monde scientifique, le développement de capteurs a toujours répondu à la volonté d’observer l’inobservable. La caméra rapide fait partie de ceux-là puisqu’elle permet de dévoiler des dynamiques invisibles, de la formation de fissure au vol du moustique. Dans un environnement extrêmement concurrentiel, ces caméras sont principalement limitées par le nombre d’images acquises par seconde. Le but de cette thèse est d’augmenter la capacité de dévoiler la dynamique invisible en enrichissant l’acquisition initiale par des modèles dynamiques. La problématique consiste alors à élaborer des méthodes permettant de relier en temps réel un modèle et la perception d’un système réel. Les bénéfices de cette utilisation offrent ainsi la possibilité de faire de l’interpolation, de la prédiction et de l’identification. Cette thèse est composée de trois parties. La première est axée sur la philosophie du traitement vidéo et propose d’utiliser des modèles élémentaires et génériques. Un algorithme d’estimation de grands mouvements est proposé mais l’approche actuellement proposée n’est pas assez générique pour être exploitée dans un contexte industriel. La deuxième partie propose d’utiliser des méthodes d’assimilation de données séquentielle basées sur la famille des filtres de Kalman afin d’associer un modèle avec des observations par caméras rapides pour des systèmes mécaniques. La troisième partie est une application à l’analyse modale expérimentale non linéaire. Deux schémas d’assimilation temps réel multicapteurs sont présentés et leur mise en œuvre est illustrée pour de la reconstruction 3D et de la magnification<br>The development of sensors has always followed the ambition of industrial and scientific people to observe the unobservable. High speed cameras are part of this adventure, revealing invisible dynamics such as cracks formation or subtle mosquito flight. Industrial high speed vision is a very competitive domain in which cameras stand out through their acquisition speed. This thesis aims to broaden their capacity by augmenting the initial acquisition with dynamic models. This work proposes to develop methods linking in real time a model with a real system. Aimed benefits are interpolation, prediction and identification. Three parts are developed. The first one is based on video processing and submits to use kinematic elementary and generic models. An algorithm of motion estimation for large movements is proposed but the generic nature does not allow a sufficient knowledge to be conclusive. The second part proposes using sequential data assimilation methods known as Kalman filters. A scheme to assimilate video data with a mechanical model is successfully implemented. An application of data assimilation in modal analysis is developed. Two multi sensors real time assimilation schemes for nonlinear modal identification are proposed. These schemes are integrated in two applications on 3D reconstruction and motion magnification

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Yang, Xiaofeng. "Auditory domain speech enhancement." Thesis, Kingston, Ont. : [s.n.], 2008. http://hdl.handle.net/1974/1229.

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Gobl, Christer. "The Voice Source in Speech Communication - Production and Perception Experiments Involving Inverse Filtering and Synthesis." Doctoral thesis, KTH, Speech Transmission and Music Acoustics, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3665.

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<p>This thesis explores, through a number of production andperception studies, the nature of the voice source signal andhow it varies in spoken communication. Research is alsopresented that deals with the techniques and methodologies foranalysing and synthesising the voice source. The main analytictechnique involves interactive inverse filtering for obtainingthe source signal, which is then parameterised to permit thequantification of source characteristics. The parameterisationis carried by means of model matching, using the four-parameterLF model of differentiated glottal flow.</p><p>The first three analytic studies focus on segmental andsuprasegmental determinants of source variation. As part of theprosodic variation of utterances, focal stress shows for theglottal excitation an enhancement between the stressed voweland the surrounding consonants. At a segmental level, the voicesource characteristics of a vowel show potentially majordifferences as a function of the voiced/voiceless nature of anadjacent stop. Cross-language differences in the extent anddirectionality of the observed effects suggest differentunderlying control strategies in terms of the timing of thelaryngeal and supralaryngeal gestures, as well as in thelaryngeal tensions settings. Different classes of voicedconsonants also show differences in source characteristics:here the differences are likely to be passive consequences ofthe aerodynamic conditions that are inherent to the consonants.Two further analytic studies present voice source correlatesfor six different voice qualities as defined by Laver'sclassification system. Data from stressed and unstressedcontexts clearly show that the transformation from one voicequality to another does not simply involve global changes ofthe source parameters. As well as providing insights into theseaspects of speech production, the analytic studies providequantitative measures useful in technology applications,particularly in speech synthesis.</p><p>The perceptual experiments use the LF source implementationin the KLSYN88 synthesiser to test some of the analytic resultsand to harness them to explore the paralinguistic dimension ofspeech communication. A study of the perceptual salience ofdifferent parameters associated with breathy voice indicatesthat the source spectral slope is critically important andthat, surprisingly, aspiration noise contributes relativelylittle. Further perceptual tests using stimuli with differentvoice qualities explore the mapping between voice quality andits paralinguistic function of expressing emotion, mood andattitude. The results of these studies highlight the crucialrole of voice quality in expressing affect as well as providingpointers to how it combines with<i>f</i><sub>0</sub>for this purpose.</p><p>The last section of the thesis focuses on the techniquesused for the analysis and synthesis of the source. Asemi-automatic method for inverse filtering is presented, whichis novel in that it optimises the inverse filter by exploitingthe knowledge that is typically used by the experimenter whencarrying out manual interactive inverse filtering. A furtherstudy looks at the properties of the modified LF model in theKLSYN88 synthesiser: it highlights how it differs from thestandard LF model and discusses the implications forsynthesising the glottal source signal from LF model data.Effective and robust source parameterisation for the analysisof voice quality is the topic of the final paper: theeffectiveness of global, amplitude-based, source parameters isexamined across speech tokens with large differences in<i>f</i><sub>0</sub>. Additional amplitude-based parameters areproposed to enable a more detailed characterisation of theglottal pulse.</p><p><b>Keywords:</b>Voice source dynamics, glottal sourceparameters, source-filter interaction, voice quality,phonation, perception, affect, emotion, mood, attitude,paralinguistic, inverse filtering, knowledge-based, formantsynthesis, LF model, fundamental frequency,<i>f</i><sub>0</sub>.</p>

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Irniger, Christophe-André. "Graph matching filtering databases of graphs using machine learning techniques." Berlin Aka, 2005. http://deposit.ddb.de/cgi-bin/dokserv?id=2677754&prov=M&dok_var=1&dok_ext=htm.

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Mushtaq, Aleem. "An integrated approach to feature compensation combining particle filters and Hidden Markov Models for robust speech recognition." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/48982.

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The performance of automatic speech recognition systems often degrades in adverse conditions where there is a mismatch between training and testing conditions. This is true for most modern systems which employ Hidden Markov Models (HMMs) to decode speech utterances. One strategy is to map the distorted features back to clean speech features that correspond well to the features used for training of HMMs. This can be achieved by treating the noisy speech as the distorted version of the clean speech of interest. Under this framework, we can track and consequently extract the underlying clean speech from the noisy signal and use this derived signal to perform utterance recognition. Particle ﬁlter is a versatile tracking technique that can be used where often conventional techniques such as Kalman filter fall short. We propose a particle filters based algorithm to compensate the corrupted features according to an additive noise model incorporating both the statistics from clean speech HMMs and observed background noise to map noisy features back to clean speech features. Instead of using speciﬁc knowledge at the model and state levels from HMMs which is hard to estimate, we pool model states into clusters as side information. Since each cluster encompasses more statistics when compared to the original HMM states, there is a higher possibility that the newly formed probability density function at the cluster level can cover the underlying speech variation to generate appropriate particle ﬁlter samples for feature compensation. Additionally, a dynamic joint tracking framework to monitor the clean speech signal and noise simultaneously is also introduced to obtain good noise statistics. In this approach, the information available from clean speech tracking can be effectively used for noise estimation. The availability of dynamic noise information can enhance the robustness of the algorithm in case of large ﬂuctuations in noise parameters within an utterance. Testing the proposed PF-based compensation scheme on the Aurora 2 connected digit recognition task, we achieve an error reduction of 12.15% from the best multi-condition trained models using this integrated PF-HMM framework to estimate the cluster-based HMM state sequence information. Finally, we extended the PFC framework and evaluated it on a large-vocabulary recognition task, and showed that PFC works well for large-vocabulary systems also.

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Books on the topic "Perception filter"

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Methoden der digitalen Sprachverarbeitung in der vokalen Kommunikationsforschung: Der Beitrag der Theorie linearer Filter und der Methode der linearen Prädiktion zur Erfassung von Sprechereigenschaften und -zuständen. P. Lang, 1993.

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Fleet, David J. On the hierarchical construction of orientation and velocity selective filters. University of Toronto, Dept. of Computer Science, 1985.

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Analogy-making as perception: A computer model. MIT Press, 1993.

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Scappini, Chiara E., and David Boffa. The Fonte Gaia from Renaissance to Modern Times. Amsterdam University Press, 2017. http://dx.doi.org/10.5117/9789462984592.

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The Fonte Gaia from Renaissance to Modern Times examines the history of Siena's famous public fountain, from its fifteenth-century origins to its eventual replacement by a copy in the nineteenth century (and the modern fate of both). The book explores how both the Risorgimento and the Symbolist movements have shaped our perceptions of the Italian Renaissance, as the Quattrocento was filtered through the lens of contemporary art and politics.

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DO pour Dolorès. La Courte échelle, 2005.

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Stinson, Kathy. Becoming Ruby. Penguin Canada, 2004.

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Stinson, Kathy. Becoming Ruby. Penguin Canada, 2003.

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Massumi, Brian. Parables for the Virtual. Duke University Press, 2021. http://dx.doi.org/10.1215/9781478021971.

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Since its publication twenty years ago, Brian Massumi's pioneering Parables for the Virtual has become an essential text for interdisciplinary scholars across the humanities. Massumi views the body and media such as television, film, and the internet as cultural formations that operate on multiple registers of sensation. Renewing and assessing William James's radical empiricism and Henri Bergson's philosophy of perception through the filter of the postwar French philosophy of Deleuze, Guattari, and Foucault, Massumi links a cultural logic of variation to questions of movement, affect, and sensation. Replacing the traditional opposition of literal and figural with distinctions between stasis and motion and between actual and virtual, Massumi tackles related theoretical issues by applying them to cultural mediums as diverse as architecture, body art, the digital art of Stelarc, and Ronald Reagan's acting career. The result is an intriguing combination of cultural theory, science, and philosophy that asserts itself in a crystalline and multifaceted argument. This twentieth anniversary edition includes a new preface in which Massumi situates the book in relation to developments since its publication and outlines the evolution of its main concepts. It also includes two short texts, “Keywords for Affect” and “Missed Conceptions about Affect,” in which Massumi explicates his approach to affect in ways that emphasize the book's political and philosophical stakes.

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Tufte, Edward R. The Cognitive Style of PowerPoint: Pitching Out Corrupts Within, Second Edition. 2nd ed. Graphics Press, 2006.

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Tufte, Edward R. The Cognitive Style of Power Point. Graphics Press, 2003.

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Book chapters on the topic "Perception filter"

1

Neckels, Kai. "Wavelet Filter Design via Linear Independent Basic Filters." In Algebraic Frames for the Perception-Action Cycle. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/10722492_19.

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Banerjee, Pradipta K., Jayanta K. Chandra, and Asit K. Datta. "Class Dependent 2D Correlation Filter for Illumination Tolerant Face Recognition." In Perception and Machine Intelligence. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27387-2_42.

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Unoki, Masashi, Ryota Miyauchi, and Chin-Tuan Tan. "Estimates of Tuning of Auditory Filter Using Simultaneous and Forward Notched-noise Masking." In Hearing – From Sensory Processing to Perception. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-73009-5_3.

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Zhang, Yiwen, Bodo Rosenhahn, and Gerald Sommer. "Extended Kalman Filter Design for Motion Estimation by Point and Line Observations." In Algebraic Frames for the Perception-Action Cycle. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/10722492_27.

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Kidani, Shunsuke, and Masashi Unoki. "Effect of Presence of Cue Tone on Tuning of Auditory Filter Derived from Simultaneous Masking." In The Neurophysiological Bases of Auditory Perception. Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-5686-6_12.

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Messias, João, José J. Acevedo, Jesus Capitan, Luis Merino, Rodrigo Ventura, and Pedro U. Lima. "A Particle-Filter Approach for Active Perception in Networked Robot Systems." In Social Robotics. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-25554-5_45.

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Sankaralingam, M., S. Arya, and Apurba Das. "Designing a Perception Based Anti-Aliasing Filter for Enhancement of Down-sampled Images." In Lecture Notes in Electrical Engineering. Springer India, 2013. http://dx.doi.org/10.1007/978-81-322-0997-3_11.

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Poostchi, Mahdieh, Iman Kamkar, and Javad Mohebbi. "Music Visualization by Means of Comb Filter and Relaxation Time According to Human Perception." In Advances in Intelligent and Soft Computing. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-11282-9_18.

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Brockmeier, S. J., W. D. Baumgartner, J. Steinhoff, et al. "Influence of the Band-Pass Filter Configuration on Speech Perception and Patient Preference in the Combi-40+ Cochlear Implants." In Advances in Oto-Rhino-Laryngology. KARGER, 2000. http://dx.doi.org/10.1159/000059192.

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Felsberg, Michael, and Gerald Sommer. "The Multidimensional Isotropic Generalization of Quadrature Filters in Geometric Algebra." In Algebraic Frames for the Perception-Action Cycle. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/10722492_12.

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Conference papers on the topic "Perception filter"

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Yu, Yongjian, Gang Dong, and Jue Wang. "Despeckling trilateral filter." In 2011 IEEE 10th IVMSP Workshop: Perception and Visual Signal Analysis. IEEE, 2011. http://dx.doi.org/10.1109/ivmspw.2011.5970352.

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Yoon, DoHyun Daniel, G. G. Md Nawaz Ali, and Beshah Ayalew. "Data Association and Fusion Framework for Decentralized Multi-Vehicle Cooperative Perception." In ASME 2019 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/detc2019-98001.

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Abstract Vehicular communication technology (V2V, V2I, V2X, etc.) allows participating vehicles to actively exchange information about their surrounding traffic. By sharing the local field of view (FoV) perception along with their own instantaneous states, communicating vehicles can cooperatively broaden and improve their perceptions of the overall traffic which allows more effective maneuver planning and vehicle energy management. This paper outlines a framework for decentralized multi-vehicle cooperative perception where each vehicle broadcasts its perception information and also acts as an individual fusing node for the received data. The Bhattacharyya distance filter (BDF) is applied for the data association process, identifying and grouping a set of estimates potentially representing the same vehicle. The associated estimates are then passed down to a covariance intersection-based fusion scheme that yields a single fused state estimate and covariance matrix for each vehicle. A metric is adopted to assess the performance of the cooperative perception scheme. The workings of the proposed framework and its potential advantages over other solutions is illustrated via simulations of connected vehicles in highway traffic scenarios with different vehicle densities.

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Zhu, Zhu, and Ju-lang Jiang. "Edge-preserving regularized filter with visual perception outlier measurement." In 2015 2nd International Conference on Wireless Communication and Sensor Network (WCSN 2015). WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789813140011_0118.

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Choi, Woosu, Jongin Kim, and Boreom Lee. "EEG classification of word perception using common spatial pattern filter." In 2015 3rd International Winter Conference on Brain-Computer Interface (BCI). IEEE, 2015. http://dx.doi.org/10.1109/iww-bci.2015.7073032.

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Chen, Yuantao, Volachith Phonevilay, Linwu Liu, and Jiajun Tao. "The correlation filter tracking algorithm using multi-feature background perception." In International Symposium on Artificial Intelligence and Robotics (ISAIR), edited by Huimin Lu, Jože Guna, and Yujie Li. SPIE, 2020. http://dx.doi.org/10.1117/12.2577002.

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Merhi, Zaher, Milad Ghantous, Mohammad Elgamel, Magdy Bayoumi, and Ayman El-Desouki. "A Fully-Pipelined Parallel Architecture for Kalman Tracking Filter." In CAMPS 2006. International Workshop on Computer Architecture for Machine Perception and Sensing. IEEE, 2006. http://dx.doi.org/10.1109/camp.2007.4350359.

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Ezhov, Vasily, Peter Ivashkin, and Alexander Galstian. "Glasses-free stereoscopic imaging based on a distant binocular filter with mutually antiphase liquid crystal layers." In 3D Image Acquisition and Display: Technology, Perception and Applications. OSA, 2018. http://dx.doi.org/10.1364/3d.2018.jw4a.15.

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J., Vanregemorter, and Deconinck F. "A Matched Filter For The Visual Perception Of A Dynamic Display." In 1985 Medical Imaging Conferences, edited by Samuel J. Dwyer III and Roger H. Schneider. SPIE, 1985. http://dx.doi.org/10.1117/12.947235.

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Wang, Yaqin, Dongfang Liu, and Eric Matson. "Accurate Perception for Autonomous Driving: Application of Kalman Filter for Sensor Fusion." In 2020 IEEE Sensors Applications Symposium (SAS). IEEE, 2020. http://dx.doi.org/10.1109/sas48726.2020.9220083.

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Lin, Luojun, Lingyu Liang, Lianwen Jin, and Weijie Chen. "Attribute-Aware Convolutional Neural Networks for Facial Beauty Prediction." In Twenty-Eighth International Joint Conference on Artificial Intelligence {IJCAI-19}. International Joint Conferences on Artificial Intelligence Organization, 2019. http://dx.doi.org/10.24963/ijcai.2019/119.

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Facial beauty prediction (FBP) aims to develop a machine that automatically makes facial attractiveness assessment. To a large extent, the perception of facial beauty for a human is involved with the attributes of facial appearance, which provides some significant visual cues for FBP. Deep convolution neural networks (CNNs) have shown its power for FBP, but convolution filters with fixed parameters cannot take full advantage of the facial attributes for FBP. To address this problem, we propose an Attribute-aware Convolutional Neural Network (AaNet) that modulates the filters of the main network, adaptively, using parameter generators that take beauty-related attributes as extra inputs. The parameter generators update the filters in the main network in two different manners: filter tuning or filter rebirth. However, AaNet takes attributes information as prior knowledge, that is ill-suited to those datasets merely with task-oriented labels. Therefore, imitating the design of AaNet, we further propose a Pseudo Attribute-aware Convolutional Neural Network (P-AaNet) that modulates filters conditioned on global context embeddings (pseudo attributes) of input faces learnt by a lightweight pseudo attribute distiller. Extensive ablation studies show that the AaNet and P-AaNet improve the performance of FBP when compared to conventional convolution and attention scheme, which validates the effectiveness of our method.

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Reports on the topic "Perception filter"

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Hanna, Rema, Bridget Hoffmann, Paulina Oliva, and Jake Schneider. The Power of Perception: Limitations of Information in Reducing Air Pollution Exposure. Inter-American Development Bank, 2021. http://dx.doi.org/10.18235/0003392.

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We conduct a randomized controlled trial in Mexico City to determine willingness to pay (WTP) for SMS air quality alerts and to study the effects of air quality alerts, reminders, and a reusable N95 mask on air pollution information and avoidance behavior. At baseline, we elicit WTP for the alerts service after revealing whether the household will receive an N95 mask and participant compensation, but before revealing whether they will receive alert or reminder services. While we observe no significant impact of mask provision on WTP, higher compensation increases WTP, suggesting a possible cash-on-hand constraint. The perception of high pollution days prior to the survey is positively correlated with WTP, but the presence of actual high pollution days is not correlated with WTP. Follow-up survey data demonstrate that the alerts treatment increases reporting of receiving air pollution information via SMS, a high pollution day in the past week, and staying indoors on the most recent perceived high pollution day. However, we observe no significant effect on the ability to correctly identify which specific days had high pollution. Similarly, households that received an N95 mask are more likely to report utilizing a mask with filter in the past two weeks, but we observe no effect on using a filter mask on the specific days with high particulate matter. Although we nd that air quality alerts increased the salience of air quality and avoidance behavior, these results illustrate the difficulty that information treatments face in overcoming perceptions to effectively reduce exposure to air pollution.

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Wilfred, Wan. Nuclear Escalation Strategies and Perceptions: The United States, the Russian Federation, and China. UNIDIR, 2021. http://dx.doi.org/10.37559/wmd/21/nrr/02.

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This study is the first in a series that profiles different “friction points” among nuclear-armed and nuclear-allied States, examining issues of contention in their relations that can spark potential conflict and nuclear escalation. It considers the multipolar dynamics between the United States, the Russian Federation, and China, and examines how fundamental mistrust among the three filters into their readings of each other’s nuclear strategies, with the potential to have an impact on escalatory risk scenarios. It then outlines a series of recommendations for the ‘great powers’ to bridge strategic perception gaps and reduce relevant risks. Part of UNIDIR’s ongoing research on nuclear risk reduction, this study is intended to feed into the dialogue on taking forward risk reduction – and on the development of practical and feasible baskets of measures that can close pathways to use of nuclear weapons.

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