Добірка наукової літератури з теми "Color categorization"

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Статті в журналах з теми "Color categorization"

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Siuda-Krzywicka, Katarzyna, Christoph Witzel, Emma Chabani, Myriam Taga, Cécile Coste, Noëlla Cools, Sophie Ferrieux, Laurent Cohen, Tal Seidel Malkinson, and Paolo Bartolomeo. "Color Categorization Independent of Color Naming." Cell Reports 28, no. 10 (September 2019): 2471–79. http://dx.doi.org/10.1016/j.celrep.2019.08.003.

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Dedrick, Don. "Color, Color Terms, Categorization, Cognition, Culture: An Afterword." Journal of Cognition and Culture 5, no. 3-4 (2005): 487–95. http://dx.doi.org/10.1163/156853705774648545.

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AbstractRecent work on color naming challenges the idea that there are shared perceptually salient colors or color categories that are "hardwired" into homo sapiens and provide the basis for one of the most famous cross-cultural claims of all time, Brent Berlin and Paul Kay's claim that there is a small number of "basic" color terms (eleven), and that some subset of these terms is present in every human language (Berlin & Kay, 1969; see Kay and Maffi, 1999; Kay and Reiger, 2003; and Kay 2005 for updates).
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van den Broek, E. L., Th E. Schouten, and P. M. F. Kisters. "Modeling human color categorization." Pattern Recognition Letters 29, no. 8 (June 2008): 1136–44. http://dx.doi.org/10.1016/j.patrec.2007.09.006.

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Maule, John, and Anna Franklin. "Color categorization in infants." Current Opinion in Behavioral Sciences 30 (December 2019): 163–68. http://dx.doi.org/10.1016/j.cobeha.2019.08.005.

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Chang, Audrey LY, Hannah M. Selwyn, Daniel Garside, Joshua Fuller-Deets, Shriya M. Awasthi, and Bevil R. Conway. "Color categorization in macaques." Journal of Vision 22, no. 14 (December 5, 2022): 3979. http://dx.doi.org/10.1167/jov.22.14.3979.

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BONNARDEL, VALÉRIE. "Color naming and categorization in inherited color vision deficiencies." Visual Neuroscience 23, no. 3-4 (May 2006): 637–43. http://dx.doi.org/10.1017/s0952523806233558.

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Dichromatic subjects can name colors accurately, even though they cannot discriminate among red-green hues (Jameson & Hurvich, 1978). This result is attributed to a normative language system that dichromatic observers developed by learning subtle visual cues to compensate for their impoverished color system. The present study used multidimensional scaling techniques to compare color categorization spaces of color-vision deficient (CVD) subjects to those of normal trichromat (NT) subjects, and consensus analysis estimated the normative effect of language on categorization. Subjects sorted 140 Munsell color samples in three different ways: a free sorting task (unlimited number of categories), a constrained sorting task (number of categories limited to eight), and a constrained naming task (limited to eight basic color terms). CVD color categories were comparable to those of NT subjects. For both CVD and NT subjects, a common color categorization space derived from the three tasks was well described by a three-dimensional model, with the first two dimensions corresponding to reddish-greenish and yellowish-bluish axes. However, the third axis, which was associated with an achromatic dimension in NTs, was not identified in the CVD model. Individual differences multidimensional scaling failed to reveal group differences in the sorting tasks. In contrast, the personal color naming spaces of CVD subjects exhibited a relative compression of the yellowish-bluish dimension that is inconsistent with the typical deutan-type color spaces derived from more direct measures of perceptual color judgments. As expected, the highest consensus among CVDs (77%) and NTs (82%) occurred in the naming task. The categorization behaviors studied in this experiment seemed to rely more on learning factors, and may reveal little about CVD perceptual representation of colors.
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Ross, Peter W. "Trichromacy and the neural basis of color discrimination." Behavioral and Brain Sciences 20, no. 2 (June 1997): 206–7. http://dx.doi.org/10.1017/s0140525x97451427.

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I take issue with Saunders & van Brakel's claim that neural processes play no interesting role in determining color categorizations. I distinguish an aspect of color categorization, namely, color discrimination, from other aspects. The law of trichromacy describes conditions under which physical properties cannot be discriminated in terms of color. Trichromacy is explained by properties of neural processes.
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Shinomori, K., R. Yokota, and S. Nakauchi. "Color naming and color categorization by dichromats." Journal of Vision 7, no. 15 (March 28, 2010): 106. http://dx.doi.org/10.1167/7.15.106.

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Correia, José Pedro, and Radek Ocelák. "Towards More Realistic Modeling of Linguistic Color Categorization." Open Philosophy 2, no. 1 (August 12, 2019): 160–89. http://dx.doi.org/10.1515/opphil-2019-0013.

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AbstractThe ways in which languages have come to divide the visible spectrum with their color terminology, in both their variety and the apparent universal tendencies, are still largely unexplained. Building on recent work in modeling color perception and categorization, as well as the theory of signaling games, we incrementally construct a color categorization model which combines perceptual characteristics of individual agents, game-theoretic signaling interaction of these agents, and the probability of observing particular colors as an environmental constraint. We also propose a method of transparent evaluation against the data gathered in the World Color Survey. The results show that the model’s predictive power is comparable to the current state of the art. Additionally, we argue that the model we suggest is superior in terms of motivation of the principles involved, and that its explanatory relevance with respect to color categorization in languages is therefore higher. Our results suggest that the universal tendencies of color categorization cannot be explained solely in terms of the shape of the color space induced by our perceptual apparatus. We believe that only by taking the heterogeneity of the phenomenon seriously can we acquire a deeper understanding of why color categorization takes the forms we observe across languages.
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Goldstone, Robert L. "Effects of Categorization on Color Perception." Psychological Science 6, no. 5 (September 1995): 298–304. http://dx.doi.org/10.1111/j.1467-9280.1995.tb00514.x.

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Subjects were shown simple objects and were asked to reproduce the colors of the objects Even though the objects remained on the screen while subjects reproduced the colors and the objects' shapes were irrelevant to the subjects' task, subjects' color perceptions were influenced by the shape category of an object For example, objects that belonged to categories with redder objects were judged to be more red than identically colored objects belonging to another category Further experiments showed that the object categories that subjects use, rather than being fixed, depend on the objects to which subjects are exposed
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Дисертації з теми "Color categorization"

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Aldashti, Asma. "Les effets neurophysiologiques du stéréotype des couleurs associées au genre sur la perception du visage." Thesis, Normandie, 2018. http://www.theses.fr/2018NORMR161.

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L’objectif central de cette thèse consiste à étudier les effets des couleurs associées au genre, particulièrement bleu et rose, sur la perception du sexe des visages. Les enregistrements électrophysiologiques de surface (potentiels évoqués cérébraux) et les données comportementales issus de mon travail indiquent que la perception du visage, au-delà de sa dimension physiologique, est soumise à l’influence de processus top-down induits par le stéréotype de la couleur bleue pour le genre masculin et de la couleur rose pour le genre féminin. Ces influences s’observent précocement au cours de l'étape d'encodage perceptif des visages
The present thesis aims at studying the impact of the colors associated to gender, particularly blue and pink, on the perception of face gender. Our electrophysiological and behavioral data indicate that the perception of the face, beyond its physiological dimension, is subject to the influence of top-down processes induced by pink for female and blue for male stereotype. These influences are evident at early perceptual stage of face processing
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Roque, Jérémy. "Am I expecting this drink to be fresh? The influence of audiovisual interactions on perceived freshness in beverages Understanding Freshness Perception from the Cognitive Mechanisms of Flavor: The Case of Beverages The influence of audiovisual stimuli cuing temperature, carbonation, and color on the categorization of freshness in beverages." Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS281.

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Le concept de fraîcheur a été récemment étudié en sciences du consommateur en raison de sa dimension hédonique influençant les préférences des consommateurs. Les études antérieures ont conclu que la fraîcheur pouvait résulter d’une intégration multisensorielle des signaux olfactifs, gustatifs, trigéminaux, visuels et auditifs. Dans les boissons, la fraîcheur est également complexe au niveau sémantique puisqu'elle peut avoir des significations différentes. La plupart des études se sont concentrées sur les attentes des consommateurs à partir de données déclaratives. Compte tenu de la complexité des mécanismes cognitifs impliqués, des mesures plus objectives du comportement sont apparues nécessaires. Dans cette thèse, nous avons ciblé l’influence des interactions audiovisuelles à partir desquelles les consommateurs perçoivent une boisson comme fraîche, avant la dégustation. Nos résultats révèlent que des stimuli audiovisuels liés à la température et la carbonatation influencent positivement la fraîcheur perçue. L'existence d’effets de correspondance audiovisuelle entre la taille des bulles et la hauteur des sons dans les boissons pétillantes ont également été montrés et se sont avérés être robustes à des variations du stimulus ainsi qu’au paradigme expérimental utilisé. Enfin, les effets de correspondance observés entre taille des bulles et hauteur du son seraient plus susceptibles de se produire lorsque l’attention des participants est dirigée sur les caractéristiques pour lesquelles la correspondance est testée. Certains mécanismes cognitifs sous-tendant la perception multisensorielle de fraîcheur pourraient aider à augmenter l'attractivité et l'appréciation des boissons
The concept of freshness has received recent consideration in the field of consumer science, mainly due to its hedonic dimension, assumed to influence consumers’ preference and behavior. Previous studies concluded that freshness could be defined as the result of the multisensory integration of olfactory, gustatory, trigeminal, visual, and auditory cues. In the case of beverages, freshness is also complex at a semantic level since it conveys different meanings. Up to now, most studies focused on consumers’ expectations by a collection of declarative data. Given the complexity of the perceptual and cognitive mechanisms involved, this approach needed to be completed by more objective measures of behavior. In this thesis, we focus on the influence of audiovisual interactions from which consumers can perceive a beverage as fresh, before tasting. The first experiments revealed that audiovisual stimuli cuing temperature and carbonation positively influence the perception and categorization of freshness in beverages. The second experiments revealed the existence of audiovisual crossmodal correspondence effects between bubbles size and pouring sounds pitch in carbonated beverages that were robust to variations of the stimulus context as well as the experimental design used. A final experiment revealed that the Pitch-Size correspondence effects in beverages are more likely to occur when the participants’ attention is directed toward the same features on which the correspondence is tested. Applications such as the triggering of perceptual and cognitive mechanisms underpinning the multisensory perception of freshness could help to increase beverages’ attractiveness and appreciation
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Martins, Geisa Peral Gimenes. "An?lise da experi?ncia de categoriza??o ou classifica??o das escolas por cores da Secretaria de Educa??o do Estado de S?o Paulo (2000-2001)." Pontif?cia Universidade Cat?lica de Campinas, 2017. http://tede.bibliotecadigital.puc-campinas.edu.br:8080/jspui/handle/tede/990.

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In this dissertation we present the results of the research on the initiative of the State Department of Education of S?o Paulo that, using the results of school performance in SARESP and data of school dropout, categorized or ranked schools in the colors blue, green, yellow, orange or red, in order to understand the trajectory, the operation and the reactions triggered by this governmental initiative in the educational scenario. In order to achieve the proposed objectives, we carried out a bibliographic research and established the state of the art in the academic-scientific literature regarding the categorization or ranking of schools by color, empirical research in order to understand the operation, implementation and extinction of this initiative in the light of perceptions of the school directors and regional directorates of education managers and, finally, documentary research, to study the repercussion of the implementation from the news reports published in the mainstream press, in the trade union press and in data on legal proceedings instituted against the Education of the State of S?o Paulo. The research pointed out that in the academic-scientific literature, in the mainstream press and in the legal media, there is a tendency to value the awards received by schools that obtained high performance in SARESP, with predominantly negative-biased speeches on schools ranking by color, focusing on the resistance of the teachers' union and teachers' dissatisfaction with the neoliberal logic that would be present in the government policies of the PSDB, with a reduced emphasis on positive aspects related to the actions of the State Department of Education. School principals and regional directories of education managers pointed out several positive points related to the categorization or ranking of schools by color, such as the motivation of the school teams that wanted to improve their results, the reflection of the pedagogical practice regarding the results obtained, the secretariat's investments in training courses, funds for underperforming schools, the simplicity of the quality indicator, and the fact that the results of ranking schools took teachers out of a comfort zone. However, the negative points, such as the stigmatization of poor-performing school-based school teams, motivated parents to transfer their children to better-performing schools, as well as the lack of clarity regarding the criteria used in schools ranking, accentuated the dissatisfaction and discomfort of many teachers with the actions that subsidized the categorization or ranking of color schools and raised the level of tension between teachers and the state secretariat of education, pressing the state government to extinguish the initiative in 2002, soon after its implementation.
Por meio da presente disserta??o apresentamos os resultados da pesquisa sobre a iniciativa da Secretaria de Educa??o do Estado de S?o Paulo que, utilizando-se dos resultados do desempenho escolar no SARESP e dados da evas?o escolar, categorizava ou classificava as escolas nas cores azul, verde, amarelo, laranja ou vermelho, com vistas a compreender a trajet?ria, o funcionamento e as rea??es desencadeadas por essa iniciativa governamental no cen?rio educacional. Para atingir os objetivos propostos, realizamos pesquisa bibliogr?fica e estabelecemos o estado da quest?o na literatura acad?mico-cient?fica referente a categoriza??o ou classifica??o das escolas por cores, pesquisa emp?rica com vistas a compreender o funcionamento, a implementa??o e a extin??o dessa iniciativa ? luz das percep??es dos diretores de escola e de gestores das diretorias regionais de ensino e, por fim, pesquisa documental, para estudar a repercuss?o da implementa??o a partir das not?cias veiculadas na grande imprensa, na imprensa sindical e em informa??es constantes de processos judiciais instaurados contra a Secretaria de Educa??o do Estado de S?o Paulo. A pesquisa apontou que na literatura acad?mico-cient?fica, na grande imprensa e nos meios legais h? uma tend?ncia de se valorizar as premia??es recebidas pelas escolas que obtiveram alto desempenho no SARESP, com predomin?ncia de discursos com vi?s negativo sobre a classifica??o das escolas por cores, focados na resist?ncia do sindicato dos professores e na insatisfa??o de professores com a l?gica neoliberal que estaria presente nas pol?ticas governamentais do PSDB, havendo reduzida ?nfase em aspectos positivos relacionados ?s a??es da secretaria estadual de educa??o. Os diretores de escola e gestores das diretorias regionais de ensino apontaram diversos pontos positivos relacionados ? categoriza??o ou classifica??o das escolas por cores, como por exemplo, a motiva??o das equipes escolares que desejavam melhorar seus resultados, a reflex?o da pr?tica pedag?gica diante dos resultados obtidos, os investimentos da secretaria em cursos de capacita??o, as verbas para as escolas com baixo desempenho, a simplicidade do indicador de qualidade e o fato de que os resultados da classifica??o das escolas tiraram os professores de uma zona de conforto. Entretanto, os pontos negativos, como por exemplo a estigmatiza??o das equipes escolares com o r?tulo de ruins que as escolas de baixo desempenho ficaram motivavam pais a transferir seus filhos para escolas com melhor desempenho, e, ainda, a falta de clareza quanto aos crit?rios utilizados na classifica??o das escolas, acentuaram a insatisfa??o e o desconforto de muitos professores com as a??es que subsidiavam a categoriza??o ou classifica??o das escolas por cores e elevaram o n?vel de tens?o entre os professores e a secretaria estadual de educa??o, pressionando o governo estadual a extinguir a iniciativa no ano de 2002, logo ap?s a sua implementa??o.
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Veľas, Martin. "Automatické třídění fotografií podle obsahu." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2013. http://www.nusl.cz/ntk/nusl-236399.

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This thesis deals with content based automatic photo categorization. The aim of the work is to experiment with advanced techniques of image represenatation and to create a classifier which is able to process large image dataset with sufficient accuracy and computation speed. A traditional solution based on using visual codebooks is enhanced by computing color features, soft assignment of visual words to extracted feature vectors, usage of image segmentation in process of visual codebook creation and dividing picture into cells. These cells are processed separately. Linear SVM classifier with explicit data embeding is used for its efficiency. Finally, results of experiments with above mentioned techniques of the image categorization are discussed.
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Jokubaitienė, Toma. "Baltumo ir juodumo konceptai lietuvių ir anglų kalbose." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2009. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2009~D_20090916_093356-45879.

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Visose pasaulio kalbose yra terminai spalvoms reikšti, tačiau priklausomai nuo ekstralingvistinių veiksnių, skirtingos tautos turi nevienodą jų skaičių. Išanalizavę dešimtis kalbų lingvistai B. Berlinas ir P. Kėjus nustatė, jog ankstyvame kalbų raidos etape tebuvo du žodžiai spalvoms apibrėžti: vienas - tamsioms, kitas – šviesioms. Šviesai atstovauja balta spalva, tamsai – juoda. Į prototipines baltumo ir juodumo konceptų reikšmes (baltas, -a – sniego spalvos, visai šviesus, juodas, -a – visiškai tamsus, kaip anglis) remiasi nemažai metaforinių reikšmių. Šio magistro darbo tikslas – išskirti skirtingas ir bendras baltumo ir juodumo metaforines reikšmes, būdingas lietuvių ir anglų kalboms. Tyrimo medžiagą sudaro lietuvių kalbos tekstyno grožinės literatūros blokas ir anglų kalbos tekstyno medžiaga. Išanalizavus tekstyno medžiagą nustatyta, jog prototipinės juodo reikšmės: tamsus, neperregimas, tankus, gilus; nešvarus, suteptas; rasė, gymis; rūšies pavadinimas; kava, arbata; metaforinės reikšmės: nešvarus, nedoras; prastas apie maistą (tik lietuvių kalboje); blogis: a) viduje išgyvenamas (emocijos); b) bauginantys, tragiški, nelaimingi įvykiai, su jais sietinos vietos; sunkus, kasdienis; neteisėta veikla, tokios veiklos rezultatai; simbolinės reikšmės: artėjančios nelaimės simbolis; nelaimės pranašai (blogio simboliai); gedulo simbolis. Tekstyno medžiagos analizė parodė, jog prototipinės balto reikšmės: šviesa; perregimas, bespalvis; švara; tuštuma; rasė, gymis; rūšies... [toliau žr. visą tekstą]
Every language has colour terms, but different amount of them depending on extra linguistic features. Linguist B. Berlin and P. Kay analysed dozens of languages and determined that there were only two colour terms (dark and bright) in the first stage of language evolution. Bright is represented by white and dark is represented by black. Many metaphoric meanings are based on prototypical meanings of concepts of whiteness (white – of colour of snow, very bright) and blackness (black – very dark, like coal). The goal of this master thesis is to determine common and different metaphorical meanings of whiteness and blackness characteristic for Lithuanian and English languages. The research material is collected from corpuses of Lithuanian and English languages. The data of the analysis of both concepts showed, blackness and whiteness in most cases are used to identify a feature of colour, i.e. prototypical colour meaning. But it also revealed a number of cases when the colour term does not denote a colour feature, but it is used metaphorically, with objects lacking the colour feature. The analysis has also revealed the importance of the symbolic meaning in the research of the colour concepts. The concept of Blackness in both languages is perceived similarly. Prototypical meanings are the following: dark, lacking light, impenetrable, soiled; used to characterize dark skin pigmentation; certain object in black colour (blackcurrant, black bread and etc.); (coffee or tea) without... [to full text]
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Siuda-Krzywicka, Katarzyna. "The modularity of high-level colour processing : evidence from brain damage." Thesis, Sorbonne université, 2019. http://www.theses.fr/2019SORUS352.

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Nous avons examiné comment des lésions cérébrales chez l'homme affectent les interdépendances entre trois modules de traitement cortical de la couleur, notamment : la perception, la dénomination et la connaissance de la couleur de l'objet. Nous avons étudié la catégorisation des couleurs - un exemple de l'interaction entre la perception et le langage. Les preuves provenant du développement cognitif, de la psychologie comparée et des neurosciences cognitives suggèrent que la catégorisation des couleurs ne provient ni de la perception ni du langage, comme le présume le débat Nature-Nurture. Les catégories de couleurs peuvent plutôt refléter des objets pertinents dans l'environnement. Pour évaluer la causalité entre la catégorisation et la dénomination, nous avons étudié un patient victime d'un AVC, le RDS. Malgré de difficultés pour nommer les couleurs chromatiques, résultant d’une lésion occipito-temporale gauche, la catégorisation des couleurs était relativement épargnée chez RDS. Des expériences d'IRM multimodale ont révélé que la connectivité perception-langage est essentielle pour un nommage efficace des couleurs, mais pas pour une catégorisation. L’étude de la connaissance de la couleur des objets dans le contexte de la dégradation des noms de couleurs de RDS a montré que celui-ci ne pouvait pas lier la perception des couleurs au langage ni à la connaissance sémantique. Il ne pouvait pas associer une couleur visuelle à un nom de couleur ou à la forme de son objet typique. Globalement, nous avons démontré trois ségrégations fonctionnelles dans le traitement cortical des couleurs, entre : (1) la catégorisation et la dénomination des couleurs, (2) la dénomination des couleurs chromatiques et achromatiques et (3) la connaissance des objets colorés et celle des couleurs abstraites. Les mécanismes corticaux du traitement des couleurs pourraient avoir pour objectif de lier des informations sensorielles et sémantiques afin de guider le comportement lié aux objets, en réalisant (1) une perception des couleurs stable, (2) des catégories de couleurs pertinentes et (3) des représentations mentales communes des formes et des couleurs. L'évolution culturelle peut avoir recyclé les circuits neuronaux nécessaires à ces processus pour isoler la couleur de l'objet et l'étiqueter avec des noms de couleur
We examined the effects of brain lesions in humans on the interdependences between three modules of cortical colour processing, namely colour perception, naming and object-colour knowledge. We first focused on colour categorisation - a case-in-point of the interplay between perception and language. Reviewed evidence from cognitive development, comparative psychology and cognitive neuroscience hints that colour categorisation originates from neither perception nor language, as assumed by the Nature-Nurture debate. Instead, colour categories may reflect relevant objects in the environment. To assess the causal link between categorization and naming, we investigated a stroke patient, RDS. Despite severe difficulties in naming chromatic colours, due to a left occipito-temporal lesion, RDS’s colour categorisation was relatively spared. Multimodal MRI experiments revealed that the language-perception connectivity is essential for efficient colour naming but not for categorisation. Investigation of object-colour knowledge in the context of RDS’s colour-naming impairment showed that RDS could not link colour perception to neither language nor semantic knowledge. He could not associate a visual colour to a colour name or to the shape of its typical object. Overall, we demonstrated three functional segregations in colour processing: between (1) colour categorisation and colour naming, (2) naming of chromatic and achromatic colours and (3) knowing about coloured objects and knowing about abstract colours. The main purpose of high-level cortical colour mechanisms could be providing sensory and semantic information to guide object-related behaviour, by achieving (1) stable colour perception, (2) relevant colour categories, and (3) joint mental representations of shapes and colours. These neural computations may have been recycled in cultural evolution to isolate colours from objects and label them with names
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Biar, Liana de Andrade. "Água mole em pedra dura tanto bate até que fura: uma análise sociocognitiva do uso das repeticões no discurso de Fernando Collor." Universidade do Estado do Rio de Janeiro, 2007. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=241.

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Fundação Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro
Lançando um olhar sociocognitivista sobre um fenômeno geralmente estudado sob outros pontos de vista (textual e interacional), este estudo descreve as funções sociocognitivas das repetições lexicais e sintáticas em um contexto socialmente situado: o discurso político de Fernando Collor datado das eleições de 1989. Tendo em vista os fatores de ordem pragmática que emergem desse contexto, principalmente o propósito comunicativo, combinamos bases teóricas em Processamento do Discurso e Semântica Cognitiva para construir hipóteses que explicassem a saliência das repetições no discurso político de Collor. A análise qualitativa dos dados aponta para o uso da repetição enquanto estratégia lingüístico-discursiva útil na construção argumentativa e na diminuição do custo de processamento do discurso, alinhando-se, portanto, aos propósitos de convencimento e alcance das massas.
Departing from traditional analyses of repetition (textual and interactional), this study analyzes it within the light of Cognitive Linguistics. Its objective is to describe the sociocognitive functions of lexical and syntactic repetitions in a situated context: The political discourse of Fernando Collor de Melo, during the 1989 election campaign in Brazil. Given the pragmatic factors that emerge in such a context, mainly its communicative purpose, the study combines literature in Discourse Processing and in Cognitive Semantics to construe probable hypotheses that can account for the salience of repetitions in the political discourse under examination. Qualitative analysis renders repetition a linguistic-discursive strategy useful for the construction of arguments and for decreasing the cost of discourse processing. Therefore, a very useful strategy to reach, persuade, and convince the masses.
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Camblats, Anna-Malika. "Etude des processus d’activation et d’inhibition lexico-émotionnelles dans des tâches de reconnaissance visuelle de mots et de catégorisation de couleurs de mots." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0367/document.

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L'objectif de cette thèse était d‟étudier les processus d'activation et d'inhibition lexicales sous-tendant la lecture de mots et de déterminer le rôle du système affectif sur ces processus chez l'adulte. Pour cela, nous avons testé les effets de fréquence du voisinage orthographique et de l'émotionalité de ce voisinage dans plusieurs tâches cognitives. Les résultats ont montré un effet de fréquence du voisinage orthographique qui était inhibiteur dans des tâches de reconnaissance visuelle de mots (Expériences 1-4) et facilitateur dans des tâches de catégorisation de couleur de mots (Expériences 6-8). L'inhibition lexicale ralentirait la reconnaissance du mot stimulus et diminuerait ainsi son effet d'interférence dans des tâches de type Stroop. De plus, la valence et le niveau d'arousal du voisin plus fréquent modifiaient également la vitesse de reconnaissance du mot stimulus (Etude préliminaire, Expérience 1-5) et la catégorisation de sa couleur (Expériences 6, 7 et 9). Le système affectif s'activerait lors de la lecture de mots avec un voisin émotionnel et modifierait la propagation d'activation et d'inhibition lexico-émotionnelles. De plus, les résultats indiquaient que ces effets de voisinage orthographique étaient sensibles aux caractéristiques des participants. Une diminution de l'effet de fréquence du voisinage selon l'âge a été montrée et interprétée en termes de déficits conjoints d'activation et d'inhibition lexicales (Expériences 4, 5, 8 et 9). Enfin, l'effet du voisinage émotionnel obtenu suggérait une préservation des processus lexico-émotionnels avec l'avancée en âge (Expériences 4, 5 et 9), mais cet effet était corrélé négativement avec le niveau d'alexithymie des individus (Expériences 2, 4 et 6). Dans l'ensemble, ces données soulignent l‟importance de la prise en compte du système affectif dans les modèles de reconnaissance visuelle des mots
The aim of this thesis was to study lexical activation and inhibition processes underlying word reading and to determine the role of affective system on these processes in adults. For this, we investigated the effects of orthographic neighbourhood frequency and emotionality of this neighbourhood in several cognitive tasks. Results showed an orthographic neighbourhood frequency effect that was inhibitory in visual word recognition tasks (Experiments 1-4) and facilitatory in colour categorization tasks (Experiments 6-8). Lexical inhibition likely slows down the recognition of the stimulus word as well as diminishing its interference effect in Stroop-like tasks. Moreover, emotional valence and arousal level of the higher-frequency neighbour also modified the speed of stimulus word recognition (Preliminary study, Experiments 1-5) and its colour categorization (Experiments 6, 7 and 9). Thus, the affective system would be activated during reading of words with an emotional neighbour and would modify the spread of lexico-emotional activation and inhibition. Moreover, results indicated that these orthographic neighbourhood effects were sensitive to participants‟ characteristics. A decreaseof the orthographic neighbourhood effect depending on age was shown and interpreted in terms of deficits in both activation and inhibition processes (Experiments 4, 5, 8 and 9). Finally, the emotional neighbourhood effect that was obtained suggested a preservation of lexico-emotional processes with advance in age (Experiments 4, 5, and 9), but this effect was negatively correlated with individuals' level of alexithymia (Experiments 2, 4, and 6). Taken together, thes data underline the importance of taking the affective system into account in models of visual word recognition
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Chen, Chih-Hao, and 陳志豪. "Color CENTRIST: A Color Descriptor For Scene Categorization." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/02809788107221840092.

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碩士
國立中正大學
資訊工程研究所
100
Scene categorization acts as an essential part in many applications since scene type of an image provides abundant information for media analysis. Most works about scene categorization target on gray images, and rely on oriented gradient calculated based on intensity values as local descriptors. With these descriptors, the bag of word model is used in describing scene images. However, a visual word may be generated from different objects in various categories, and discriminative capability of visual words may hence decrease. On the other hand, exhaustive computation makes processes inefficient. In this thesis, we propose a fast scene categorization system to solve the problems mentioned above. We would like to study scene categorization for color images. We devise a new visual descriptor that incorporates color information into the framework of CENsus TRansform hISTogram (CENTRIST), a state-of-the-art visual descriptor for scene categorization. CENTRIST mainly encodes the structural properties within an image and suppresses detailed textural information. It is suitable to place and scene recognition task. Based on CENTRIST, we devise a new visual descriptor, i.e., color CENTRIST, that incorporates the advantage of CENTRIST and color information. The newly proposed color CENTRIST descriptor describes global shape information by not only gradient derived from intensity values but also color variations between pixels in local image patches. With color information, scenes of images can be effectively categorized. Through extensive evaluations on various datasets, we demonstrate that the color CENTRIST descriptor is not only easily to be implemented, but also reliably achieves performance over that of CENTRIST. Considering color information indeed benefits scene categorization.
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Huang-Tsun, Chen, and 陳皇村. "Scene Categorization System with Color Cast Correction: Design and Applications." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/3n8wb3.

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Анотація:
博士
國立交通大學
電控工程研究所
102
With the popularity of internet in recent years, the usage of digital image is growing dramatically, which raises the trend of using image capture device. In order to allow users taking good photos with correct exposure in different scenes, the image capture device provides many scene modes such as scenery, beach…etc for user choosing. However, many scene modes complicate the function of digital cameras and users always feel inconvenient to switch the modes again and again. If a single mode can apply in different scenes, it would solve this inconvenience. The dissertation proposes a Scene Categorization System (SCS) with color cast correction, the preview image is applied into color cast detection, if judged by the color cast detection module with color cast, and the white balance module will depend on the suggestions to fine-tune image parameters to remove the color cast. After that, the image will be split into multiple image block units to extract each image block of the hue, saturation, brightness and contrast value and base on those characteristic values to estimate the shooting scene. Then the image capture device aperture value, shutter speed, and other parameters can be set up automatically. By the scene categorization system, the photographer is not necessary to take too much care with detailed camera settings and will be able to focus on composition.
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Книги з теми "Color categorization"

1

Iroiro basu. Tōkyō: Dainippon Tosho, 2013.

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Jraissati, Yasmina. Reporting Color Experience in Grapheme-Color Synesthesia. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199688289.003.0005.

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This chapter examines the method for reporting color in grapheme-color synesthesia and its consequences. The Berlin and Kay basic color categories typology is sometimes used, but one should wonder whether such a simplification is justified, and whether it might not have important theoretical implications for our understanding of synesthesia. In this chapter, such implications are uncovered. A discussion opposing Simner and colleagues to Beeli and colleagues regarding the linguistic vs/color appearance bias of grapheme-color associations is taken as an illustration. Essentially, it is argued that the Berlin and Kay typology is misused, leading to dangerous tensions, and that the assumed relation between color appearance, categories, and terms is not clear. In conclusion, the chapter suggests how research in color categorization can offer alternative frameworks to understand grapheme-color synesthesia, and notes that work in synesthesia can also shed light on color categorization.
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Keevak, Michael. How Did East Asians Become Yellow? Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190465285.003.0011.

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This chapter offers a brief historical intervention explaining the rise of the term yellow for racial thinking about Asians. Using his binomial nomenclature species-naming system, the Swedish taxonomist Carolus Linnaeus separated Homo sapiens into four continental types, with distinct colors assigned to each. Over two decades later the German anatomist Johann Friedrich Blumenbach also classified Asians as yellow in his five-race scheme. Although some early twentieth-century anthropologists claimed to have proven that Mongolians (Asians) were physically yellow in an attempt to place Asians lower than Europeans, the initial categorization of yellow had no visual or biological basis. As Asians continued to refuse to take part in Western systems (Christianity, international trade), Europeans' perceptions of Asians' skin color darkened. Moreover in the late eighteenth and early nineteenth century, the yellow idea began to spread to East Asian cultures themselves.
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Espiritu, Yen Le. Race and U.S. Panethnic Formation. Edited by Ronald H. Bayor. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199766031.013.013.

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Panethnicity refers to the development of bridging organizations and the generalization of solidarity among subgroups that are racialized to be homogeneous by outsiders. This chapter argues that while the formation of a consolidated white identity in the United States is self-motivated and linked to white privilege, panethnicity for people of color is a product of racial categorization and bound up with power relations. As the influx of new immigrants transforms the demographic composition of existing groups such as Asian Americans and Latinos, group members face the challenge of bridging the class, ethnic, and generational chasms dividing the immigrants and the U.S.-born. In all, existing data confirm the plural and ambivalent nature of panethnicity: it is a highly contested terrain on which different groups merge and clash over terms of inclusion but also an effective site from which to forge alliances with other groups both within and across the U.S. borders.
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Brown, Ruth Nicole. More than Sass or Silence. University of Illinois Press, 2017. http://dx.doi.org/10.5406/illinois/9780252037979.003.0006.

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This chapter presents a soundtrack of Black girls' expressive culture as ethnographically documented in SOLHOT in the form of original music. To think through the more dominant categorizations of how Black girls are heard, as both sassy and silent, this chapter samples Andrea Smith's (2006) “Heteropatriarchy and the Three Pillars of White Supremacy: Rethinking Women of Color Organizing” to offer a new frame called “The Creative Potential of Black Girlhood.” Music made from conversations in SOLHOT is used to emphasize how three logics of the creative potential framework, including volume/oppression, swagg/surveillance, and booty/capitalism, amplifies Black girls' critical thought to document the often overlooked creative process of Black girl music making, demonstrate how hip-hop feminist sensibilities inform girls' studies, and, most importantly, move those who do Black girl organizing toward a wider repertoire of actions and conversations that affirm differences among Black girls and differently sounding Black girl knowledge.
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Частини книг з теми "Color categorization"

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Archibald, John. "A lexical model of color space." In Linguistic Categorization, 31. Amsterdam: John Benjamins Publishing Company, 1989. http://dx.doi.org/10.1075/cilt.61.04arc.

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Jraissati, Yasmina. "Mechanisms of Color Categorization." In Encyclopedia of Color Science and Technology, 1–7. Berlin, Heidelberg: Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/978-3-642-27851-8_405-1.

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Alarcon, Teresa, and Oscar Dalmau. "Color Categorization Models for Color Image Segmentation." In Lecture Notes in Computational Vision and Biomechanics, 303–27. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7584-8_10.

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Bornstein, Marc H. "Hue categorization and color naming." In Progress in Colour Studies, 35–68. Amsterdam: John Benjamins Publishing Company, 2006. http://dx.doi.org/10.1075/z.pics2.07bor.

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Bonnardel, Valerie. "Color Categorization and Naming in Inherited Color Vision Deficiencies." In Encyclopedia of Color Science and Technology, 1–6. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-27851-8_53-10.

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Bonnardel, Valerie. "Color Categorization and Naming in Inherited Color Vision Deficiencies." In Encyclopedia of Color Science and Technology, 1–5. Berlin, Heidelberg: Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/978-3-642-27851-8_53-11.

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Bonnardel, Valerie. "Color Categorization and Naming in Inherited Color Vision Deficiencies." In Encyclopedia of Color Science and Technology, 243–48. New York, NY: Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4419-8071-7_53.

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Bornstein, Marc H. "Hue categorization and color naming: Cognition to language to culture." In Anthropology of Color, 3–27. Amsterdam: John Benjamins Publishing Company, 2007. http://dx.doi.org/10.1075/z.137.04bor.

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Borg, Alexander. "Towards a history and typology of color categorization in colloquial Arabic." In Anthropology of Color, 263–93. Amsterdam: John Benjamins Publishing Company, 2007. http://dx.doi.org/10.1075/z.137.17bor.

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Feng, Wenya, Yilin Guo, Okhee Kim, Yonggan Hou, Long Liu, and Huiping Sun. "Color Transfer Based on Earth Mover’s Distance and Color Categorization." In Computer Analysis of Images and Patterns, 394–401. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-40246-3_49.

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Тези доповідей конференцій з теми "Color categorization"

1

Zeng, Nan, and Jill D. Crisman. "Evaluation of color categorization for representing vehicle colors." In Photonics East '96, edited by Alan C. Chachich and Marten J. de Vries. SPIE, 1997. http://dx.doi.org/10.1117/12.267140.

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2

Yuk, Carman K. M., Oscar C. Au, Richard Y. M. Li, and Sui-Yuk Lam. "Color Demosaicking using Direction Categorization." In 2007 IEEE International Conference on Image Processing. IEEE, 2007. http://dx.doi.org/10.1109/icip.2007.4379996.

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Zhang, Yimeng, ChengChuan Chou, Shiaw-Shian Yu, and Tsuhan Chen. "Object color categorization in surveillance videos." In 2011 18th IEEE International Conference on Image Processing (ICIP 2011). IEEE, 2011. http://dx.doi.org/10.1109/icip.2011.6116269.

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Zhang, Yimeng, Shiaw-Shian Yu, and Tsuhan Chen. "Improving object color categorization with shapes." In 2010 17th IEEE International Conference on Image Processing (ICIP 2010). IEEE, 2010. http://dx.doi.org/10.1109/icip.2010.5650912.

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5

Paltridge, Richard J., Mitchell G. A. Thomson, Tim Yates, and Stephen Westland. "Color spaces for discrimination and categorization in natural scenes." In 9th Congress of the International Color Association, edited by Robert Chung and Allan Rodrigues. SPIE, 2002. http://dx.doi.org/10.1117/12.464640.

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Cowan, William, and Michael von Grunau. "Large color differences among achromatic colors." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.mh4.

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Small color differences between simple achromatic stimuli have been understood for more than a century: extensive detection and discrimination data, including the Weber fraction, coexists with successful theories based on signal detection. Larger color differences and complex stimuli, which are more important in engineering applications, are less well understood. We have been investigating these stimuli using priming in a visual search task as our measure of color difference. The task, which depends on perceived color identity of patterns similar in complexity to letters, provides stable data with thresholds much larger than either the MacAdam ellipses or the Weber fraction. The results show evidence of stimulus categorization based on luminance with the categories anchored to the background luminance.
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Fatima, Shameem, and M. Seshashayee. "Hybrid Color Feature Image Categorization using Machine Learning." In 2020 3rd International Conference on Intelligent Sustainable Systems (ICISS). IEEE, 2020. http://dx.doi.org/10.1109/iciss49785.2020.9316111.

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Sato, Keiko, Hironori Takimoto, and Yasue Mitsukura. "Analysis of color categorization for color vision deficient subjects at different luminance levels." In IECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2015. http://dx.doi.org/10.1109/iecon.2015.7392405.

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Bouguila, Nizar, and Walid ElGuebaly. "A generative model for spatial color image databases categorization." In ICASSP 2008 - 2008 IEEE International Conference on Acoustics, Speech and Signal Processing. IEEE, 2008. http://dx.doi.org/10.1109/icassp.2008.4517736.

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Chen, Zhong, Zixing Cai, and Qing Ye. "ART2 Network Based Color Pixel Categorization and Its Application." In TENCON 2006 - 2006 IEEE Region 10 Conference. IEEE, 2006. http://dx.doi.org/10.1109/tencon.2006.343972.

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