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Dissertations / Theses on the topic 'Pattern quality'

Author: Grafiati

Published: 29 June 2021

Last updated: 10 February 2022

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1

Hammar, Karl. "Towards an Ontology Design Pattern Quality Model." Licentiate thesis, Linköpings universitet, Institutionen för datavetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-93370.

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The use of semantic technologies and Semantic Web ontologies in particular have enabled many recent developments in information integration, search engines, and reasoning over formalised knowledge. Ontology Design Patterns have been proposed to be useful in simplifying the development of Semantic Web ontologies by codifying and reusing modelling best practices. This thesis investigates the quality of Ontology Design Patterns. The main contribution of the thesis is a theoretically grounded and partially empirically evaluated quality model for such patterns including a set of quality characteris

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Olson, Daren. "Teaching Patterns: A Pattern Language for Improving the Quality of Instruction in Higher Education Settings." DigitalCommons@USU, 2008. https://digitalcommons.usu.edu/etd/51.

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One method for improving the appeal of instruction is found in Christopher Alexander’s work on architectural design patterns. In this qualitative research study, student comments on teacher/course evaluation forms were analyzed to generate six instructional design patterns. The teacher enthusiasm pattern encourages teachers to show (a) increased scholarship and enthusiasm towards the subject matter, (b) genuine concern and enthusiasm towards the students, and (c) mastery of and enthusiasm towards the act of teaching. The balanced curriculum pattern recommends that teachers (a) determine the ap

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Millman, Michael Peter. "Computer vision for yarn quality inspection." Thesis, Loughborough University, 2000. https://dspace.lboro.ac.uk/2134/34196.

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Structural parameters that determine yarn quality include evenness, hairiness and twist. This thesis applies machine vision techniques to yarn inspection, to determine these parameters in a non-contact manner. Due to the increased costs of such a solution over conventional sensors, the thesis takes a wide look at, and where necessary develops, the potential uses of machine vision for several key aspects of yarn inspection at both low and high speed configurations. Initially, the optimum optical / imaging conditions for yarn imaging are determined by investigating the various factors which degr

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Duan, Hejun. "Quality control and pattern recognition in gas chromatography mass spectrometry." Thesis, University of Bristol, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492569.

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Quality control monitoring analysis and original pattern recognition studies involving coupled chromatography were presented in this thesis. A number of methods had been developed for the quality control analysis, which is extremely important in biological studies that were described in this thesis.

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Savvides, Vasos E. "Perceptual models in speech quality assessment and coding." Thesis, Loughborough University, 1988. https://dspace.lboro.ac.uk/2134/36273.

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The ever-increasing demand for good communications/toll quality speech has created a renewed interest into the perceptual impact of rate compression. Two general areas are investigated in this work, namely speech quality assessment and speech coding. In the field of speech quality assessment, a model is developed which simulates the processing stages of the peripheral auditory system. At the output of the model a "running" auditory spectrum is obtained. This represents the auditory (spectral) equivalent of any acoustic sound such as speech. Auditory spectra from coded speech segments serve as

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Tan, Kwee Teck. "Objective picture quality measurement for MPEG-2 coded video." Thesis, University of Essex, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324249.

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Cantell, Gillian Diane. "Measurement of image quality in nuclear medicine and radiology." Thesis, University of Aberdeen, 1995. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU078704.

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The imaging process can be thought of as the acquisition of data and the processing and display of data. The image quality of the acquired data is assessed using objective methods. The spatial transfer characteristic was measured using the MTF, and the noise properties assessed using Wiener spectra for gamma camera and film-screen systems. An overall measure of image quality, noise equivalent quanta, can then be calculated. The image quality of the displayed data is assessed using subjective methods. Contrast detail test objects have been used for film-screen systems and forced choice experime

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Buzzard, Raymond Karl. "A prolog implementation of pattern search to optimize software quality assurance." Thesis, Monterey, California. Naval Postgraduate School, 1990. http://hdl.handle.net/10945/30680.

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Approved for public release, distribution is unlimited<br>Quality Assurance (QA) is a critical factor in the development of successful software systems. Through the use of various QA tools, project managers can ensure that a desired level of performance and reliability is built into the system. However, these tools are not without cost. Project managers must weight all QA costs and benefits for each development environment before weigh all QA costs and benefits for each development environment before establishing an allocation strategy. The development of a system dynamics model has provided p

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9

Wang, Min. "Pattern recognition methodology for network-based diagnostics of power quality problems /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/6099.

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10

Nanyam, Yasasvy. "Hyperspectral Imaging for Nondestructive Measurement of Food Quality." OpenSIUC, 2010. https://opensiuc.lib.siu.edu/theses/334.

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This thesis focuses on developing a nondestructive strategy for measuring the quality of food using hyperspectral imaging. The specific focus is to develop a classification methodology for detecting bruised/unbruised areas in hyperspectral images of fruits such as strawberries through the classification of pixels containing the edible portion of the fruit. A multiband segmentation algorithm is formulated to generate a mask for extracting the edible pixels from each band in a hypercube. A key feature of the segmentation algorithm is that it makes no prior assumptions for selecting the bands

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11

Li, Cui. "Image quality assessment using algorithmic and machine learning techniques." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources. Restricted: no access until June 2, 2014, 2009. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=26521.

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Thesis (Ph.D.)--Aberdeen University, 2009.<br>With: An image quality metric based in corner, edge and symmetry maps / Li Cui, Alastair R. Allen. With: An image quality metric based on a colour appearance model / Li Cui and Alastair R. Allen. ACIVS / J. Blanc-Talon et al. eds. 2008 LNCS 5259, 696-707. Includes bibliographical references.

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Vespa, Lucas John. "PATTERN ENCODING ALGORITHMS AND INFORMATION MODELING METRICS FOR NETWORK QUALITY OF SERVICE." OpenSIUC, 2011. https://opensiuc.lib.siu.edu/dissertations/333.

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Networks are becoming increasingly complex, making network quality of service (QoS) an ongoing and difficult problem. Important QoS challenges include ensuring availability of services, privacy and accuracy of data and preventing data loss. These challenges can be addressed by providing effective security mechanisms that meet the scalability requirements of modern networks, environments for testing these mechanisms and providing metrics to measure and increase information quality especially in resource limited networks such as sensor networks. To meet these goals, we present several topics. Fi

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Zeng, Yongqin. "Image segmentation algorithms incorporating perceptual quality factors for region-based image compression." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313514.

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Pahnke, Cornelia. "Animated systems engineering : a new approach to high quality groupware application specification and development." Thesis, University of Wolverhampton, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275282.

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15

Tchan, Jack Soning. "Development of an image analysis system to produce a standardised assessment of print quality." Thesis, Open University, 1998. http://oro.open.ac.uk/57912/.

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A method has been developed using an image analysis system that simulates human print quality perception. Previous work in the area of print quality assessment has only produced methods that measure individual print quality variables, or assess small parts of an image. The image analysis system developed in this investigation is different from the previous work because it analyses the combined effects of different variables using neural network technology. In addition, measurements from an entire image can be obtained and the system can assess images irrespective of their shape. The image anal

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Beaton, Duncan. "Integration of data description and quality information using metadata for spatial data and spatial information systems." Thesis, University of Newcastle Upon Tyne, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321263.

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Cheng, Xuemei. "Hyperspectral imaging and pattern recognition technologies for real time fruit safety and quality inspection." College Park, Md. : University of Maryland, 2004. http://hdl.handle.net/1903/2154.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2004.<br>Thesis research directed by: Biological Resources Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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Zhu, Bin. "Novel statistical pattern recognition and 3D machine vision technologies for automated food quality inspection." College Park, Md.: University of Maryland, 2008. http://hdl.handle.net/1903/8912.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2008.<br>Thesis research directed by: Fischell Dept. of Bioengineering . Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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Hague, Darren S. "Neural networks for image data compression : improving image quality for auto-associative feed-forward image compression networks." Thesis, Brunel University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262478.

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20

Li, Jun. "Image texture decomposition and application in food quality analysis /." free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3036842.

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21

Lee, Hyun Jong. "THE CONSUMPTION AND SALES PATTERN OF UGLY APPLES IN SOUTH KOREA." UKnowledge, 2018. https://uknowledge.uky.edu/agecon_etds/70.

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Approximately half of all wasted food is fruits and vegetables. One major cause of food waste is abnormal aesthetics; even if it is just as delicious as its normal counterpart. Food with a non-standard appearance (hereafter called ugly food) can be expelled by the markets. To reduce such waste, ugly food campaigns, which were developed in Europe and spread throughout the world, advocate for the consumption of ugly food. To study the problem of ugly food waste, this thesis examines ugly apples, since apples are the most common, representative, and readily accessible fruit. The objective of this

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Awan, Zafar Iqbal, and Abdul Azim. "Network Emulation, Pattern Based Traffic Shaping and KauNET Evaluation." Thesis, Blekinge Tekniska Högskola, Avdelningen för telekommunikationssystem, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-6022.

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Quality of Service is major factor for a successful business in modern and future network services. A minimum level of services is assured indulging quality of Experience for modern real time communication introducing user satisfaction with perceived service quality. Traffic engineering can be applied to provide better services to maintain or enhance user satisfaction through reactive and preventive traffic control mechanisms. Preventive traffic control can be more effective to manage the network resources through admission control, scheduling, policing and traffic shaping mechanisms maintaini

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Guo, Yuanjing M. S. "DASH Intervention Effects on Home Food Environment and Diet Quality among Adolescents with Pre-hypertension and Hypertension." University of Cincinnati / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1470045434.

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24

Alligood, Ronald R. II. "The Life Pattern of People with Spinal Cord Injury." VCU Scholars Compass, 2006. https://scholarscompass.vcu.edu/etd/1294.

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This aim of this study was to answer the research question: "What is the Life Pattern of the Person with Spinal Cord Injury?" The unitary appreciative inquiry design, which has conceptualized through Rogers' (1986) science of unitary human beings, provided an approach for understanding the phenomenon in the context of human wholeness. The data, obtained through the methodology of unitary appreciative inquiry, led to the development of individual synopses for each of the participants. Once the synopses were completed, a composite pattern profile was constructed by the researcher that was indica

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Mikhailov, Andrey, Kungaba Cedric Pefok, and Adnan Yousaf. "The pattern of customer complaint behaviour in public transportation :." Thesis, Karlstads universitet, Fakulteten för ekonomi, kommunikation och IT, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-6473.

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Service providers must understand that they have to provide customer-perceived value, if they want to stay in business. One of the best ways to determine customer-perceived value is to encourage customer complaint. This will make it easier to identify areas of the service process which the consumer believes must be improved. The ultimate goal of our thesis is to identify and establish the patterns of customer complaint behaviour in public transportation which is a part of the service sector. If patterns are identified, it will be much easier to encourage and predict customers‘ abilities and wi

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Mariappan, Paramananthan. "Quality of bladder cancer surgery : improving outcomes." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31261.

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Background: At the time of diagnosis, approximately 75% of all bladder cancers are Non-Muscle Invasive Bladder Cancers (NMIBC) - the standard treatment for these cancers is a Transurethral Resection of the Bladder Tumour (TURBT). Although, the vast majority of these cancers are not life-threatening, they have a high risk of recurrence (and progression, particularly in higher risk NMIBC), despite the use of adjuvant intravesical chemotherapy. Consequently, patients are kept on long term cystoscopic surveillance with endoscopic removal if recurrences are detected - this impacts on patients' qual

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Harjumaa, L. (Lasse). "Improving the software inspection process with patterns." Doctoral thesis, University of Oulu, 2005. http://urn.fi/urn:isbn:9514278941.

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Abstract The quality of a software product depends largely on the quality of the process that is used to develop it. In small software companies, the development process may be informal or even ad hoc, which causes uncertainty and variation in the product quality. However, quality issues are as important in small companies as in their larger counterparts. To sustain their dynamics and competitiveness, small organizations need to concentrate on the most effective quality assurance methods. Software inspection is a proven method for improving product quality and it provides a very cost-effectiv

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Woxblom, Lotta. "Warp of sawn timber of Norway spruce in relation to end-user requirements : quality, sawing pattern and economic aspects /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5860-9.pdf.

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Schweizer, Peter E. "Influences of Watershed Land Cover Pattern on Water Quality and Biotic Integrity of Coastal Plain Streams in Mississippi, USA." View abstract, 2008. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:3339508.

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Hönel, Sebastian. "Temporal data analysis facilitating recognition of enhanced patterns." Thesis, Linnéuniversitetet, Institutionen för datavetenskap (DV), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-51864.

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Assessing the source code quality of software objectively requires a well-defined model. Due to the distinct nature of each and every project, the definition of such a model is specific to the underlying type of paradigms used. A definer can pick metrics from standard norms to define measurements for qualitative assessment. Software projects develop over time and a wide variety of re-factorings is applied tothe code which makes the process temporal. In this thesis the temporal model was enhanced using methods known from financial markets and further evaluated using artificial neural networks w

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Constantine, Sherry Lynette. "The Influence of Habitat Quality on the Community Structure, Distribution Pattern, Condition, and Growth of Coral Reef Fish: A Case Study of Grunts (Haemulidae) from Antigua B.W.I, A Small Island System." Scholarly Repository, 2008. http://scholarlyrepository.miami.edu/oa_dissertations/136.

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The goal of this research was to determine the relative quality of near shore marine areas by investigating their influence on Haemulidae community structure, distribution pattern, condition, and growth. Habitat was defined at the small spatial scale of individual habitat types such as seagrass beds, mangroves and coral reefs, and at the broader spatial scale of the interconnection of these individual habitat types within a mosaic (IHM). Ten spatial, biotic and abiotic parameters (percentage coverage of sand, mangroves, hard substrate, and seagrass, turbidity, pH, salinity, temperature, averag

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Mohan, Deepak. "Real-time detection of grip length deviation for fastening operations: a Mahalanobis-Taguchi system (MTS) based approach." Diss., Rolla, Mo. : University of Missouri-Rolla, 2007. http://scholarsmine.mst.edu/thesis/pdf/DeepakMohanThesisFinal_09007dcc80410b1d.pdf.

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Thesis (M.S.)--University of Missouri--Rolla, 2007.<br>Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed October 24, 2007) Includes bibliographical references.

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Hammar, Karl. "Content Ontology Design Patterns : Qualities, Methods, and Tools." Doctoral thesis, Linköpings universitet, Interaktiva och kognitiva system, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-139584.

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Ontologies are formal knowledge models that describe concepts and relationships and enable data integration, information search, and reasoning. Ontology Design Patterns (ODPs) are reusable solutions intended to simplify ontology development and support the use of semantic technologies by ontology engineers. ODPs document and package good modelling practices for reuse, ideally enabling inexperienced ontologists to construct high-quality ontologies. Although ODPs are already used for development, there are still remaining challenges that have not been addressed in the literature. These research

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Luca, Matthieu. "Quality Timber Strength Grading : A prediction of strength using scanned surface grain data and FE-analyses." Thesis, Linnéuniversitetet, Institutionen för teknik, TEK, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-14037.

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Rao, Raghunandan M. "Perspectives of Jamming, Mitigation and Pattern Adaptation of OFDM Pilot Signals for the Evolution of Wireless Networks." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/77485.

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Wireless communication networks have evolved continuously over the last four decades in order to meet the traffic and security requirements due to the ever-increasing amount of traffic. However this increase is projected to be massive for the fifth generation of wireless networks (5G), with a targeted capacity enhancement of 1000× w.r.t. 4G networks. This enhanced capacity is possible by a combination of major approaches (a) overhaul of some parts and (b) elimination of overhead and redundancies of the current 4G. In this work we focus on OFDM reference signal or pilot tones, which are used fo

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Liu, Jia. "Heterogeneous Sensor Data based Online Quality Assurance for Advanced Manufacturing using Spatiotemporal Modeling." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/78722.

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Online quality assurance is crucial for elevating product quality and boosting process productivity in advanced manufacturing. However, the inherent complexity of advanced manufacturing, including nonlinear process dynamics, multiple process attributes, and low signal/noise ratio, poses severe challenges for both maintaining stable process operations and establishing efficacious online quality assurance schemes. To address these challenges, four different advanced manufacturing processes, namely, fused filament fabrication (FFF), binder jetting, chemical mechanical planarization (CMP), and th

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A-iyeh, Enoch. "Voronoi tessellation quality: applications in digital image analysis." A-iyeh E., Peters, J.F, Proximal Groupoid Patterns in Digital Images, Computing Research Repository: Computer Vision and Pattern Recognition, 2016, 2017. http://hdl.handle.net/1993/32055.

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A measure of the quality of Voronoi tessellations resulting from various mesh generators founded on feature-driven models is introduced in this work. A planar tessellation covers an image with polygons of various shapes and sizes. Tessellations have potential utility due to their geometry and the opportunity to derive useful information from them for object recognition, image processing and classification. Problem domains including images are generally feature-endowed, non-random domains. Generators modeled otherwise may easily guarantee quality of meshes but certainly bear no referen

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Otim, Stephen O. "Simplified fixed pattern noise correction and image display for high dynamic range CMOS logarithmic imagers." Thesis, University of Oxford, 2007. http://ora.ox.ac.uk/objects/uuid:6a8cbdbf-ef5c-473f-a22e-76e1f8a2603b.

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Biologically inspired logarithmic CMOS sensors offer high dynamic range imaging capabilities without the difficulties faced by linear imagers. By compressing dynamic range while encoding contrast information, they mimic the human visual system’s response to photo stimuli in fewer bits than those used in linear sensors. Despite this prospect, logarithmic sensors suffer poor image quality due to illumination dependent fixed pattern noise (FPN), making individual pixels appear up to 100 times brighter or darker. This thesis is primarily concerned with alleviating FPN in logarithmic imagers in a s

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Carmo, Gisele Tomaz do. "Estudo fonético qualitativo da fala e do canto no teatro popular em São Paulo." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/8/8139/tde-28022019-182333/.

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O objetivo deste trabalho é comparar o padrão formântico da fala atuada com o canto no teatro popular em São Paulo, com base nos estudos de Raposo de Medeiros (2002) e Sundberg (2015). Definiu-se a fonética acústica como área de estudo para a escolha do método, bem como para as análises dos aspectos acústicos investigados. Quanto ao método, o primeiro passo foi selecionar a canção Enchente, da peça Hospital da gente, que pertence ao repertório do Grupo Clariô de Teatro. Em seguida, realizou-se a coleta de dados da qual participou uma atriz profissional, de 33 anos. Solicitamos à atriz que cant

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Gorgulho, Bartira Mendes. "Diferenças e similaridades na qualidade da refeição do Brasil e Reino Unido: que lições podemos aprender?" Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/6/6138/tde-19102016-143657/.

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Introdução. Apesar de consumirmos alimentos combinados e estruturados em refeições, a maioria dos estudos ainda se concentra em nutrientes ou alimentos consumidos isoladamente. Além disso, comparar a alimentação entre países em diferentes fases de transição nutricional e epidemiológica pode fornecer informações relevantes relacionadas à prevenção da obesidade e DCNT. Objetivo. Caracterizar e comparar a qualidade nutricional da principal refeição consumida por adultos residentes no Brasil e Reino Unido. Materiais e Métodos. A primeira etapa do estudo consistiu na revisão sistemática da literatu

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Maillot, Pierre. "Nouvelles méthodes pour l'évaluation, l'évolution et l'interrogation des bases du Web des données." Thesis, Angers, 2015. http://www.theses.fr/2015ANGE0007/document.

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Le Web des données offre un environnement de partage et de diffusion des données, selon un cadre particulier qui permet une exploitation des données tant par l’humain que par la machine. Pour cela, le framework RDF propose de formater les données en phrases élémentaires de la forme (sujet, relation, objet) , appelées triplets. Les bases du Web des données, dites bases RDF, sont des ensembles de triplets. Dans une base RDF, l’ontologie – données structurelles – organise la description des données factuelles. Le nombre et la taille des bases du Web des données n’a pas cessé de croître depuis sa

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Mehmood, Kashif. "Conception des Systèmes d'Information : une approche centrée sur les Patrons de Gestion de la Qualité." Phd thesis, Conservatoire national des arts et metiers - CNAM, 2010. http://tel.archives-ouvertes.fr/tel-00922995.

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Les modèles conceptuels (MC) jouent un rôle crucial qui est celui de servir de base à l'ensemble du processus de développement d'un système d'information (SI) mais aussi de moyen de communication à la fois au sein de l'équipe de développement et avec les utilisateurs durant les premières étapes de validation. Leur qualité joue par conséquent un rôle déterminant dans le succès du système final. Des études ont montré que la majeure partie des changements que subit un SI concerne des manques ou des défaillances liés aux fonctionnalités attendues. Sachant que la définition de ses fonctionnalités i

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Wang, Yihong. "Détection des défauts internes et externes des noix en coque : application du traitement d'images et de la reconnaissance de formes au contrôle de qualité." Grenoble 1, 1993. http://www.theses.fr/1993GRE10098.

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Le triage des noix en coque a pour but d'eliminer toutes celles qui presentent des defauts externes et internes. Son automatisation permet d'en augmenter la productivite et une meilleure qualite de noix vendues. Cette automatisation repose sur un systeme d'inspection par vision artificielle. Celui-ci est constitue de deux parties: l'une relative a la prise d'images internes et externes de noix et l'autre a la qualification de la qualite des noix a partir de leurs images, laquelle fait appel aux techniques de traitement d'images et de reconnaissance de formes. Dans cette etude, un tel systeme d

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Caujolle, Mathieu. "Identification et caractérisation des perturbations affectant les réseaux électriques HTA." Phd thesis, Supélec, 2011. http://tel.archives-ouvertes.fr/tel-00650911.

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La reconnaissance des perturbations survenant sur les réseaux HTA est une problématique essentielle pour les clients industriels comme pour le gestionnaire du réseau. Ces travaux de thèse ont permis de développer un système d'identification automatique. Il s'appuie sur des méthodes de segmentation qui décomposent de manière précise et efficace les régimes transitoires et permanents des perturbations. Elles utilisent des filtres de types Kalman linéaire ou anti-harmoniques pour extraire les régimes transitoires. La prise en compte des variations harmoniques et de la présence de transitoires pro

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Othman, Nadia. "Fusion techniques for iris recognition in degraded sequences." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLL003/document.

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Parmi les diverses modalités biométriques qui permettent l'identification des personnes, l'iris est considéré comme très fiable, avec un taux d'erreur remarquablement faible. Toutefois, ce niveau élevé de performances est obtenu en contrôlant la qualité des images acquises et en imposant de fortes contraintes à la personne (être statique et à proximité de la caméra). Cependant, dans de nombreuses applications de sécurité comme les contrôles d'accès, ces contraintes ne sont plus adaptées. Les images résultantes souffrent alors de diverses dégradations (manque de résolution, artefacts...) qui af

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Olsén, Christina. "Towards Automatic Image Analysis for Computerised Mammography." Doctoral thesis, Umeå University, Computing Science, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1657.

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<p>Mammographic screening is an effective way to detect breast cancer. Early detection of breast cancer depends to a high degree on the adequacy of the mammogram from which the diagnosis is made. Today, most of the analysis of the mammogram is performed by radiologists. Computer-aided diagnosis (CAD) systems have been proposed as an aid to increase the efficiency and effectiveness of the screening procedure by automatically indicating abnormalities in the mammograms. However, in order for a CAD system to be stable and efficient, the input images need to be adequate. Criteria for adequacy inclu

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Vullaganti, Anoop. "Mechanical Parameter Characterization of Thin Polymer Films Using Digital Image Correlation." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-21653.

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Mechanical parameter characterization of very thin polymer films using digital im- age correlation is performed in this work. At present days DIC is widely used in the construction, food industries, and aviation. Despite advantages when compared to other conventional methods, but users still face difficulties with the analysis of thin polymers like low-density polyethylene (LDPE) and polyethylene terephthalate (PET) thin polymer films. For the application of sprays to obtain the best pattern quality as well as the potential of thin-film material properties tempering from the stochastic pattern

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Lane, Andrea Marie. "Beverage Patterns and Diet Quality in US Children." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1492169912205993.

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Duarte, Denise Helena Silva. "Padrões de ocupação do solo e microclimas urbanos na região de clima tropical continental." Universidade de São Paulo, 2000. http://www.teses.usp.br/teses/disponiveis/16/16131/tde-18072006-182858/.

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O objeto deste trabalho são os microclimas urbanos nas cidades brasileiras na região de Clima Tropical Continental. Partindo do princípio que há uma correlação entre microclimas urbanos e ocupação do solo, o objetivo é medir numericamente a correlação entre a temperatura do ar e algumas variáveis familiares ao planejamento, e que podem ser regulamentadas pela legislação municipal, a fim de orientar as medidas necessárias para amenizar o rigor climático nas cidades da região. Faz-se uma descrição qualitativa e quantitativa das variáveis urbanísticas envolvidas, bem como medições de temperatura

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Yogeswaran, Arjun. "3D Surface Analysis for the Automated Detection of Deformations on Automotive Panels." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/19992.

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This thesis examines an automated method to detect surface deformations on automotive panels for the purpose of quality control along a manufacturing assembly line. Automation in the automotive manufacturing industry is becoming more prominent, but quality control is still largely performed by human workers. Quality control is important in the context of automotive body panels as deformations can occur along the assembly line such as inadequate handling of parts or tools around a vehicle during assembly, rack storage, and shipping from subcontractors. These defects are currently identified and

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