Academic literature on the topic 'Signifiant visuel'
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Journal articles on the topic "Signifiant visuel":
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Gauthier, Mathieu. "Perceptions des élèves du secondaire par rapport à la résolution de problèmes en algèbre à l’aide d’un logiciel dynamique et la stratégie Prédire – investiguer – expliquer." Éducation et francophonie 42, no. 2 (December 19, 2014): 190–214. http://dx.doi.org/10.7202/1027913ar.
Abstract:
Dans le cadre d’un projet d’innovation en apprentissage mis en oeuvre par le ministère de l’Éducation du Nouveau-Brunswick, nous avons créé et expérimenté quatre scénarios d’enseignement-apprentissage de l’algèbre en 12e année du secondaire, touchant particulièrement le concept de paramètres de fonctions introduit à l’aide d’une stratégie Prédire-Investiguer-Expliquer et d’un logiciel dynamique, dans un contexte de résolution de problèmes. Cette recherche exploratoire de type développement adopte une approche de design d’un produit éducatif ou, encore, de création d’activités d’apprentissage particulières (Loiselle, 2001). Les données qualitatives ont été recueillies auprès des élèves, à l’aide d’un questionnaire et d’entrevues semi-dirigées. D’une part, le contexte de vie réelle et l’aspect visuel d’une investigation dynamique et interactive à l’aide d’un logiciel semblent avoir rendu l’apprentissage des fonctions plus signifiant pour l’élève. Ils ont permis à l’élève de voir des liens entre différentes représentations mathématiques, le rendant plus autonome dans les démarches de résolution de problèmes. D’autre part, ce changement de pratique conduit possiblement à une rupture du contrat didactique, ce qui a déstabilisé certains élèves qui cherchaient, alors, plus de clarté et d’encadrement de la part de l’enseignant. Cette complexification du processus de résolution de problèmes appelle donc une étude plus approfondie de cette pratique innovante afin de déterminer son impact réel sur les apprentissages des élèves et la dynamique de la salle de classe.
2
Lamontagne, Céline, and Lorraine Palardy. "Les Impatients : un parfum de santé." Santé mentale au Québec 40, no. 2 (September 14, 2015): 287–302. http://dx.doi.org/10.7202/1033057ar.
Abstract:
Modèle original et unique, les Impatients offrent aux personnes avec des problèmes de santé mentale la possibilité de créer en toute liberté. Que ce soit en art visuel, écriture, bande dessinée, musique et danse, les ateliers d’expression artistique ont pour but d’offrir aux Impatients la possibilité de s’épanouir par la création. L’histoire des Impatients mérite d’être racontée en parallèle à une certaine histoire de la psychiatrie. L’acceptation et la reconnaissance de l’organisme par le milieu, la recherche d’un lieu signifiant ont été un travail de longue haleine. De 1989 à aujourd’hui, l’implantation et la croissance de l’organisme se sont déroulées progressivement. Le nombre de participants et de lieux augmente d’année en année et le partenariat avec différents organismes institutionnels et galeries d’art s’accroît. En 2015, ce sont : 48 ateliers et 450 personnes par semaine dans 8 lieux au Québec. Des activités de diffusion, des événements marquants, des projets fous, les Impatients se distinguent par leurs réalisations : expositions, publications, disques compacts, concerts, soirées de lecture, etc. L’originalité consiste, entre autres, en l’exploration des liens entre le travail des participants et celui des artistes professionnels. Les Impatients contribuent à la réinsertion des personnes dans la communauté. Les ateliers sont appréciés pour les impacts positifs sur les participants, notamment l’amélioration de l’estime de soi, la stimulation de la créativité et de la curiosité, la rupture de l’isolement, le développement d’un sentiment d’appartenance et la réduction de la fréquence et de la durée d’hospitalisation. L’histoire des Impatients, leurs réalisations et les témoignages démontrent combien ils sont des précurseurs en matière de rétablissement.
3
Yangchun SHI, Jing ZENG, and Jieming LI. "Visual Highlights Significant Target Evaluation." INTERNATIONAL JOURNAL ON Advances in Information Sciences and Service Sciences 5, no. 3 (February 15, 2013): 538–45. http://dx.doi.org/10.4156/aiss.vol5.issue3.63.
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Molinet, Xabier, and Ricardo Marín-Viadel. "Student visual identities: exactitudes and significant details." International Journal of Education Through Art 10, no. 3 (October 1, 2014): 397–406. http://dx.doi.org/10.1386/eta.10.3.397_1.
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Yamamoto, Toshihiro, Koji Komatsu, Taishi Matsuura, Hayato Shimada, Shoji Kimura, Yusuke Koike, Hiroshi Sasaki, et al. "SIGNIFICANT, TRANSIENT VISUAL DISTURBANCE AFTER LAPAROSCOPIC RADICAL PROSTATECTOMY." Japanese Journal of Urology 109, no. 3 (July 20, 2018): 156–59. http://dx.doi.org/10.5980/jpnjurol.109.156.
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Kurtul, Bengi Ece, Ahmet Elbeyli, and Suleyman Koca. "Advanced recurrent pterygium leading to significant visual impairment." Clinical and Experimental Optometry 103, no. 4 (August 6, 2019): 544–45. http://dx.doi.org/10.1111/cxo.12949.
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Neil, P. A., A. Chawla, J. Bhattacharya, and S. Shimojo. "Significant audio-visual interaction for spatially congruent stimuli." Journal of Vision 4, no. 8 (August 1, 2004): 702. http://dx.doi.org/10.1167/4.8.702.
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Marilyn Middendorf. "Significant Works." Film & History: An Interdisciplinary Journal of Film and Television Studies 39, no. 2 (2009): 94–95. http://dx.doi.org/10.1353/flm.0.0112.
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Chu, Lutao, Huiyun Li, and Zhiheng Yang. "Accurate scale estimation for visual tracking with significant deformation." IET Computer Vision 14, no. 5 (July 2020): 278–87. http://dx.doi.org/10.1049/iet-cvi.2019.0860.
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TAKEBAYASHI, Mika, and Shintaro FUNAHASHI. "MONKEYS EXHIBIT PREFERENCE FOR BIOLOGICALLY NON-SIGNIFICANT VISUAL STIMULI." PSYCHOLOGIA 52, no. 2 (2009): 147–61. http://dx.doi.org/10.2117/psysoc.2009.147.
Dissertations / Theses on the topic "Signifiant visuel":
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Mackamul, Eva. "Étudier l'influence des signifiants visuels pour favoriser la découverte d'interactions tactiles." Electronic Thesis or Diss., Université de Lille (2022-....), 2023. http://www.theses.fr/2023ULILB045.
Abstract:
La découvrabilité des interactions est un élément essentiel d'une expérience utilisateur réussie, mais elle est presque systématiquement ignorée par les concepteurs d'interfaces et les chercheurs. Cela n'est pas surprenant compte tenu de la diversité des concepts associés qui sont définis de manière inconsistante et du manque de clarté qui en résulte sur la manière d'appréhender ces problèmes. Dans ma thèse, je souligne l'importance de la découvrabilité des interactions et j'étudie si le fait de signifier visuellement les entrées utilisateur disponibles améliore leur découverte, utilisant les appareils tactiles commerciaux de type smartphone comme plateformes d'étude.J'examine l'utilisation et les définitions de la découvrabilité dans la littérature ainsi que les concepts associés, et propose des clarifications là où les définitions sont ambiguës tout en soulignant les domaines d'intérêt et les limites. Pour examiner les circonstances menant à ces éventuelles découvertes d'interaction de manière plus structurelle, je propose ensuite un cadre conceptuel de facteurs susceptibles de jouer un rôle déterminant. J'examine les interdépendances éventuelles entre ces facteurs et réfléchis à la manière dont ils peuvent être utilisés pour promouvoir la découvrabilité des interactions. En me concentrant sur le facteur « visibilité » du côté système du framework, j'examine le potentiel de signifiants visuels supplémentaires dans les interfaces tactiles mobiles à travers deux projets.Tout d'abord, j'examine comment la disponibilité d'entrées utilisateur tactiles à un doigt telles que « Tap », « Dwell », « Double Tap » et « Force Press » peut être communiquée via des signifiants visuels ajoutés au représentations graphiques de boutons. Je propose un espace de conception de caractéristiques pour signifiants visuels, et génère 36 modèles combinant ces caractéristiques que je compare dans une enquête en ligne et une expérience interactive en laboratoire. Les résultats suggèrent que les signifiants visuels augmentent la perception des possibilités d'entrées utilisateur au-delà du « Tap » et réduisent l'effort mental perçu par les participants, qui préfèrent également des signifiants visuels supplémentaires à un représentation graphique basique de bouton. Ce travail explique comment les futures interfaces tactiles pourraient être conçues pour mieux communiquer les entrées utilisateur tactiles avec un seul doigt.Deuxièmement, j'explore la viabilité d'utiliser les transitions animées entre différentes vues de l'interface utilisateur pour suggérer l'existence et faciliter la découverte de "Swhidgets", des composants cachés révélés par balayage. Pour ce faire, j'adapte trois modèles de transition établis pour qu'elles affichent subtilement ces swhidgets. J'étudie ensuite à quel point ces transitions sont perceptibles à différentes durées (750 ms, 1000 ms). Les résultats suggèrent une variation substantielle de la visibilité entre les participants. Par la suite, j'explore l'impact sur la découvrabilité des interactions avec deux types de transition (Container Transform, Panels) et une animation de référence, et constate que les transitions n'ont pas d'impact significatif sur la découvrabilité des swhidgets. Cela peut suggérer que l'affichage temporaire des swhidgets lors de l'animation de transition n'est pas compris dans le contexte d'une tâche s'il ne coïncide pas avec un besoin pour l'interaction en question.Somme toute, ces projets mettent en évidence le potentiel d'amélioration de la découvrabilité de l'interaction grâce aux signifiants visuels dans l'interface tout en démontrant qu'il existe des limites quant au moment auquel les signifiants visuels peuvent avoir un impact sur la perception des possibilités d'interactionDiscoverability of interactions is a core component of successful user interaction yet it is almost systematically dismissed by interface designers and researchers. This is not surprising given the variety of associated concepts that are inconsistently defined, and the consequent lack of clarity on how to address these problems. In my thesis I emphasise the importance of interaction discoverability and investigate whether visually signifying the availability of inputs improves their discovery using commercial touch-based devices as the test case.I examine usage and definitions of discoverability as well as related concepts and offer clarifications where definitions are ambiguous while highlighting focus areas and limitations. To examine the circumstance of initial interactions and discovery more structurally, I then propose a conceptual framework of relevant impacting factors. I consider how individual components interrelate and reflect on how they can be used to promote discoverability. Concentrating on the factor `visibility' on the system side of the framework, I examine the potential of added visual signifiers in mobile touch-based interfaces through two projects.First I examine how the availability in-place single finger inputs such as `Tap', `Dwell', `Double Tap' and ‘Force Press' can be communicated through added visual signifiers in the context of buttons. I propose a design space of visual signifier characteristics. Combining these characteristics, I generated 36 designs and investigated their perception in an online survey and an interactive experiment. The results suggest that visual signifiers increase the perception of input possibilities beyond `Tap', and reduce perceived mental effort for participants, who also prefer added visual signifiers over a baseline. This work informs how future touch-based interfaces could be designed to better communicate in-place one finger input possibilities.Second, I explore the viability of transient interaction hints during animated transitions between UI screens to improve the discovery of swipe-revealed hidden widgets (swhidgets). To do so, I adapt three established transition patterns to include visual depictions of the swhidgets. I then study how noticeable the transitions are at different durations (750ms, 1000ms). Results suggest substantial variation in noticeability between participants. Subsequently, I explore the impact on the discoverability of interactions with two types of transition (Container Transform, Panels) and a baseline and find that transitions do not significantly impact the use of swhidgets. This may suggest that temporary interaction hints are not comprehended in a task context if they do not coincide with a need for the interaction in question.These projects highlight the potential of improving discoverability of interaction through visual signifiers in the interface while demonstrating that there are limitations of when visual signifiers impact the perceived affordance of interaction possibilities
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Barczak, Mary Aline. "Using Visual Supports to Teach Vocational Skills to Students with Significant Intellectual Disabilities." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1587064968221701.
3
Guzmán, Espinoza Jorge. "La emergencia neobarroca del lenguaje visual — estrategia de subversión significante en "Misstreseñoritas" y "Macrodosis"." Tesis, Universidad de Chile, 2010. http://www.repositorio.uchile.cl/handle/2250/101291.
Abstract:
La pregunta que surge es si en nuestro país existen obras que podamos señalar como « Neobarrocas », o que al menos compartan rasgos del Neobarroco, ya sea en su construcción, lenguaje o en la forma en cómo reflexionan sobre la realidad, apostando por una estrategia de la abundancia y de la proliferación del significante, entre otros. Responder a estas inquietudes no resultaría fácil, si es que no acotamos (« arbitrariamente ») las «obras » a un contexto que nos permita poner en juego dichos elementos. Esta « arbitrariedad » nos permite situarnos en la producción de obras visuales del Chile de la última década (2000-2010), donde a primera vista encontramos un grupo de artistas y sus obras, que cumplirían con las características someramente señaladas, es decir, al menos nos llaman la atención por su superabundancia de significados, y por la utilización de los recursos representacionales más allá de lo verosímil, en una reflexión que apunta hacia temas que se relacionan por cercanía o por oposición? Estas obras son las compuestas por los colectivos Misstresenoritas y Macrodosis, colectivos que, a una primera vista poseen más de un elemento en común, desde los obvios, como por ejemplo que son integrados por mujeres artistas, todas de edades no muy distantes, con formación artística, y que se mueven en un « círculo » más o menos parecido... hasta otros que tienen que ver en cómo reflexionan y ponen en escena temas relacionados con la mujer, su rol, el sexo, sus estereotipos, la pornografía, etc. que las convierte en exponentes de una generación, que al parecer, trae consigo una nueva forma de relacionarse con ellas mismas y con su obra, y una nueva forma de reflexionar a través de sus propuestas, que no solo entregan una visibilidad « distinta », sino que una visualidad que desborda en exceso.
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Draving, Marilyn Joelle 1953. "Art and the blind: Clay media and artistic expression of the young child with significant visual impairments." Thesis, The University of Arizona, 1990. http://hdl.handle.net/10150/291544.
Abstract:
In view of current research in mental imagery and creativity, the researcher suggests that a program of art activities with clay media is advantageous for young blind children. The literature reviewed suggests the value of the young blind childs work in clay. This study discusses learning process of the blind, mental imagery and therapeutic art education. It attempts to answer three questions. The study asks how these children learn; what methods might be appropriate for art instruction, and looks for indications of the growth of imagery and creativity. The methods and activities designed and implemented are discussed in this study. Selected clay work by children are shown in photographs. The results seemed to indicate that the these activities were beneficial for young children with significant visual impairments. Recommendations are made for further study.
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Rogers, Kelly. "A Study of Significant Differences between the Mean Verbal Format & Visual Format Crume/Ellis WIlderness Anxiety Scale Scores of Fifth & Sixth Grade Students." TopSCHOLAR®, 1993. https://digitalcommons.wku.edu/theses/2783.
Abstract:
The problem statement for this study was: "Will there be a significant difference between the mean verbal format and mean visual format CEWAS scores of fifth and sixth grade students'"
There would seem a need for this study due to the increasing number of participants in outdoor recreational activities. This increase introduces many environmental concerns which must be addressed in order to maintain present conditions at wilderness areas.
Data related to wilderness anxiety among fifth and sixth grade male and female students attending McNeill Elementary School in Bowling Green, Kentucky, were collected analyzed for significant difference. Randomly selected pretest (verbal format) and posttest (visual format) groups completed the Crume/Ellis Wilderness Anxiety Scale, which measures wilderness anxiety in seven specific areas and total score. Each of the seven factor scores and the total scores were tested for pre- and posttest significant difference among males and again among females.
Analysis of data related to the verbal format CEWAS pretest for males and females indicated that there was a significant difference between mean male and mean female CEWAS pretest scores. In light of the above, it was determined that the study populations should be separated into samples of males and females for pre- and posttest analysis.
Male paired t test results indicated that total mean group score and two factor mean scores produced significant difference at .05 or greater. Five factor mean scores failed to produce significant difference. Female paired t test results indicated that total mean group score failed to produce a significant difference (.05 or greater). This was also the case with five of the factor scores. A significant difference (.05 or greater) was found on two factors: (a) Sudden Attack and (b) Inclement Weather, the same factors that produced significant differences among males.
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Darko, Natalie. "Rugby union men : body concerns." Thesis, Loughborough University, 2012. https://dspace.lboro.ac.uk/2134/10081.
Abstract:
Existing research shows that increasing numbers of young men are dissatisfied with the appearance of their bodies. Research has found that men will use sport and health-related sports acts to conceal these concerns from others. Accordingly, men s body dissatisfactions are documented less frequently because the practices drawn upon to conceal them are perceived as routine forms of masculine behaviour. Rugby union is one of the most popular sports played by young men in England. Historically, the male rugby player is culturally perceived as strong, tough and unemotionally articulate. Existing research draws attention to health issues, such as performance stress and injury that arise through participation in this sport. Research also shows that rugby union players are likely to experience concerns about gaining weight, yet these are disguised within the requirements of training for the sport. Although, there are studies that examine the constitution of masculinities, the experience of pain and injury and career transitions among rugby union players there are no studies, as yet, that examine how rugby union men experience body concerns and manage these experiences through their sport. The research discussed in this thesis examines how a group of rugby union men (25) aged 18-25, of varied racial identity, ethnic and social backgrounds, participating in an elite university rugby union 1st XV team, experience concerns about the appearance and performance of their bodies and the ways in which such concerns develop. It also examines if and how these men used the sport and health-related sports acts, to overcome their concerns and conceal them from others. A theoretical framework, which draws on the concepts of the three theorists: Connell (1995, 2008) Goffman (1959; 1961; 1979) and Bourdieu (1978; 1979; 1984), is developed. As part of this, a new concept has been created from Goffman s dramaturgical approach: that of the intimate dimension. In this dimension intimate relationships occur. It is located away from the front region, (the public), and the back region (semi-public spaces) where less formal relationships occur. It includes the research interview, with a woman researcher, and some other women such as girlfriends, sisters or female friends and also one or two other rugby men with whom the rugby men demonstrated a close bond. Within this dimension the rugby men are more forthcoming about the personal elements of their rugby lives. The theoretical framework is used to examine these men s concerns, how they are developed, experienced and managed. Recognising that cultural assumptions of a tough and less expressive masculinity assigned to this sport can potentially make it difficult for men to express these concerns, a combination of visual research methods and ethnography are used to examine these men s body concerns and their management. This includes collaborative collection of photography and photo-elicitation interviews. The research shows that embodied experiences of discomfort, associated with pain, injury, concerns about height, being overweight or out of shape, and social experiences of exclusion led to the development of the rugby men s body concerns. For these rugby men, their rugby masculinities are influential to the management and concealment of their body concerns. They suppress and conceal their body concerns in the front and back regions of the sport and reveal them in more intimate dimensions. The rugby men s relationships with each other, in the back regions of the sport, were the most influential to this identity, but more importantly, to the management and reinforcement of these concerns. This thesis contributes to filling the gap in existing academic research by examining body concerns and its management amongst rugby union men. It also extends existing research that has found men conceal their body concerns in sport, because it looks at how these men manage these concerns differently in different regions of their sport. Furthermore, a theoretical framework that combines interactionism and phenomenology is used to study sociologically men s body concerns in these different contexts. The combination of visual methods and ethnography goes beyond some of the existing methods used in clinical and sociological research that have examined men's body concerns. They can be used to enhance understanding of clinical forms of body concern and other emotional concerns rugby union men and other sportsmen, of all ages, have about performance, pain and injury. The incorporation of visual methods is potentially widely applicable because they have increasing precedence in sportsmen s lives to analyse performance and to represent them.
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West, Gregory Louis. "Motivationally significant stimuli show visual prior entry: Direct evidence for attentional capture." 2007. http://link.library.utoronto.ca/eir/EIRdetail.cfm?Resources__ID=788932&T=F.
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Koenig-Visagie, Leandra Helena. "Significant others : a visual analysis of the representation of gender in the Afrikaans corporate church." Diss., 2012. http://hdl.handle.net/2263/30083.
Abstract:
This study explores how contemporary Afrikaans churches represent gender in their visual culture. For these purposes, a Barthean semiotic analysis is done on visual material produced between 2007 and 2008 by three Afrikaans corporate churches in the Pretoria- Centurion area, namely the Dutch Reformed congregations Moreletapark and kerksondermure (“church without walls”), and Doxa Deo’s Brooklyn and East campuses – Afrikaans Apostolic Faith Mission congregations. The analysis seeks to demystify and denaturalise the material’s potentially mythical, ideological and hegemonic underpinnings. Operating from an interdisciplinary theoretical framework comprising aspects of Visual Culture Studies and Gender Studies, this study primarily provides a focused analysis of the representation of men and masculinity in the selected churches according to three themes, namely professional occupation and leadership; physical activity and adventurism; and fatherhood. This focus was adopted owing to the lack of available literature on men and masculinity in the church and Christianity, as opposed to the more ready availability of research on women and femininity. The representation of gender in Moreletapark, kerksondermure and Doxa Deo is conceptualised in broad terms through a comparison of the representation of masculinity with femininity as its foil. In this regard gender is analysed in the three churches according to notions of gendered ontology and matters of work, marriage and family. Exscripted, or non-represented, themes are also problematised. It is argued that the churches under investigation represent gender in dualistic, essentialist and often stereotypical terms. This particular depiction of gender attests to the churches‟ participation in the biological essentialising of gender, polarising men and women into strict binary dualisms, whilst also visually denying the existence of homosexuality and alternative sexualities. This tendency is problematic, not only because it fails to provide a realistic portrayal of men and women in the three churches, but also because it visually participates in conservative and fundamentalist gender discourses.Dissertation (MA)--University of Pretoria, 2013.
Visual Arts
unrestricted
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Azevedo, Ana Ondina da Cruz Leorne Soares de. "A Teoria do Gaze em Stanley Kubrick." Master's thesis, 2011. http://hdl.handle.net/10362/131772.
Abstract:
A presente dissertação propõe uma aproximação analítica à obra cinematográfica de Stanley Kubrick (de Lolita a Eyes Wide Shut) a partir da teoria do Gaze, enunciada na 2ª metade do século XX como relevante para o estudo da relação sujeito/objecto e consequente identificação espectatorial nas práticas artísticas. Partindo das bases psicanalíticas desta teoria - Sigmund Freud e principalmente Jacques Lacan, sendo progressivamente acrescentados laivos das teorias de Christian Metz, Laura Mulvey ou Jean-Loup Bourget, apenas para dar alguns exemplos -, pretendeu-se a sua aplicação aos objectos fílmicos kubrickianos, recorrendo a conceitos como voyeur, poder, domínio, frustração ou apropriação. A centralidade das questões sexuais inerente a esta teoria foi também alvo de uma aproximação e análise cuidadas, especialmente no que diz respeito ao questionamento feito pelos movimentos feministas em relação às bases do Gaze e à identidade do sujeito como sendo do género masculino. Os conceitos de loucura e exclusão social foram também enfatizadas através de uma abordagem particular, principalmente por se relacionarem com as relações de poder, permitindo o recurso às teorias de Michel Foucault (“the medical Gaze”). É então proposto um olhar sobre determinado objecto artístico (que aqui se define como a obra fílmica de Kubrick) à luz da sua análise segundo a teoria do Gaze como teoria de aproximação e reflexão estético-artísticas.The following dissertation seeks an analytic approach to Stanley Kubrick’s film work (from Lolita to Eyes Wide Shut) through the theory of the Gaze, which was presented during the second half of the XXth century as relevant when it comes to study the relationship between subject/object and the consequent spectactorial identification in Art practice. Beginning with the psychoanalytic basis provided by Sigmund Freud and especially Jacques Lacan (and progressively entering the theories of Christian Metz, Laura Mulvey or Jean-Loup Bourget, only to mention a few examples), the main purpose is to apply the theory to Kubrick’s filmic objects using concepts such as voyeur, power, domination, frustration or appropriation. The emphasis given to sexuality issues is inherent to the mentioned theory and appears also as one of the main focuses of the present analysis, especially when it comes to the questioning made by feminist movements regarding the main basis of the Gaze and the identity of the subject as being masculine. The concepts of madness and social exclusion play a great part in the present dissertation as well, mostly for their connection with the relationships of power, allowing therefore the reflexion that was provided by some of Michel Foucault’s theories (“the medical Gaze”). What is suggested here, then, is to look at an artistic object (defined here as Kubrick’s work) through an analysis based in the theory of the Gaze, being the latter an important tool to aesthetic and artistic approaches/reflexions.
Books on the topic "Signifiant visuel":
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Saint-Martin, Fernande. Le sens du langage visuel: Essai de sémantique visuelle psychanalytique. Québec: Presses de l'Université du Québec, 2007.
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Moore, David. Building a significant regional art collection: The visual arts at Brecknock Museum & Art Gallery 1992-2005. 2nd ed. [Powys?]: Brecknock Museum Art Trust, 2007.
3
Nony, Anaïs. Performative Images. Nieuwe Prinsengracht 89 1018 VR Amsterdam Nederland: Amsterdam University Press, 2023. http://dx.doi.org/10.5117/9789463722827.
Abstract:
Performative Images draws upon the work of video artists and activists in France between the 1970s and the early 2020s and focuses on significant practices with technology. Video art and video activism are analysed together in the book to revaluate key concepts in media studies and foreground a performative approach to the theory of image technology. The book engages works in visual culture, performance studies, digital studies, critical race theory, and feminist methodologies to account for the changes brought about by video technology in social and psychic life. Performative Images is about art and activists’ engagement in video technology—an engagement that unsettles the hegemonic narrative of dominant media, as well as the apparently politically neutral dimension of communication technology. In this book, the author explores how video-image technology shapes our psychic and social environments from an art historiographical perspective. We know media technology is dramatically shaping our political and epistemological landscape: this book foregrounds the emergence of performative video images as a key factor in the revaluation of culture and politics.
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Dibazar, Pedram, and Judith Naeff, eds. Visualizing the Street. NL Amsterdam: Amsterdam University Press, 2018. http://dx.doi.org/10.5117/9789462984356.
Abstract:
From user-generated images of streets to professional architectural renderings, and from digital maps and drone footages to representations of invisible digital ecologies, this collection of essays analyses the emergent practices of visualizing the street. Today, advancements in digital technologies of the image have given rise to the production and dissemination of imagery of streets and urban realities in multiple forms. The ubiquitous presence of digital visualizations has in turn created new forms of urban practice and modes of spatial encounter. Everyone who carries a smartphone not only plays an increasingly significant role in the production, editing and circulation of images of the street, but also relies on those images to experience urban worlds and to navigate in them. Such entangled forms of image-making and image-sharing have constructed new imaginaries of the street and have had a significant impact on the ways in which contemporary and future streets are understood, imagined, documented, navigated, mediated and visualized. Visualizing the Street investigates the social and cultural significance of these new developments at the intersection of visual culture and urban space. The interdisciplinary essays provide new concepts, theories and research methods that combine close analyses of street images and imaginaries with the study of the practices of their production and circulation. The book covers a wide range of visible and invisible geographies — From Hong Kong’s streets to Rio’s favelas, from Sydney’s suburbs to London’s street markets, and from Damascus’ war-torn streets to Istanbul’s sidewalks — and engages with multiple ways in which visualizations of the street function to document street protests and urban change, to build imaginaries of urban communities and alternate worlds, and to help navigate streetscapes.
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Guliyev, Ahmad. Safavids in Venetian and European Sources. Venice: Fondazione Università Ca’ Foscari, 2022. http://dx.doi.org/10.30687/978-88-6969-592-6.
Abstract:
The emergence of the Safavid Empire in the early sixteenth century marked a significant change in the geopolitics of the Middle East. This momentous change coincided with the widening of Ottoman expansion eastward and the exploration by European powers, especially by Venice, of the possibilities of forming alliances against the Ottomans with the involvement of the Safavids. Thus, Ottoman threat and commercial interests contributed to the emergence and development of diplomatic, cultural, and trade relations between the Republic of Venice and the Safavid Empire, which lasted until the end of the seventeenth century. Drawing on the documents from the Venetian State Archives and other contemporary sources, this book focuses mainly on some aspects of Safavid diplomacy, including the language of the Safavid polity, the role of European subjects as interpreters for the shahs, material and visual characteristics of Safavid diplomatic letters to Venice, the attitude of the Safavids towards resident diplomacy, the reception of the European envoys in the Safavid court and Europeans’ perception of Safavid diplomatic practices, as well as the characteristics of the Safavid embassies to Venice. We have tried to explain the role of Turkish as a language of diplomacy and communication in Safavid-Venetian encounters. We have also attempted to explore briefly how the Venetians distinguished Safavid subjects according to their ethno-linguistic affiliations. Finally, we examine the Ottoman factor in Safavid-Venetian relations in order to establish to what extent, if any, the Ottomans had an impact on the overall character of Safavid-Venetian relations.
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McClanahan, Bill. Visual Criminology. Policy Press, 2021. http://dx.doi.org/10.1332/policypress/9781529207446.001.0001.
Abstract:
From its earliest days, criminology has been a visual discipline, and the processes of the visual remain significant in the production and configuration of harm, crime, and justice. Reflecting the foundational power of the image, contemporary criminological and social theory are increasingly engaging with the processes and products of the visual from fine art to popular digital cultures. Following a longstanding and critical theoretical interest in the politics of meaning and the ways that our understandings of the phenomena of crime and justice shape (and are shaped-by) their cultural meaning and significance, visual criminology has begun to address the ways that contemporary social conditions, crime, justice, politics, and history configure the production and meaning of the visual (and vice versa). Detailing and employing the most prominent methodological and theoretical approaches at work in visual criminology, with a focus on the ways in which visually-attentive theory can enrich and enliven critical understandings of social relations, this book traces the development of the visual as a field and object of inquiry in criminology and social science at large. It describes the key methodological tendencies of the field, and theoretically explains and explores the visual perspective in relation to material ecology and environmental harm, drugs and drug culture, prison and punishment, and police and police power. This book broadens the horizons of criminological engagement and reveals how visual criminology—as one dimension of a broader sensory agenda—can offer new and critical ways to understand and theorize crime and harm.
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Bergstein, Mary. Visual Culture in Freud’s Vienna. Bloomsbury Publishing Inc, 2024. http://dx.doi.org/10.5040/9798765111994.
Abstract:
Visual Culture in Freud’s Vienna shows how photography and film in turn-of-the-century Vienna (the birthplace of psychoanalysis) not only reflected modernist ideas already in force, but helped to bring into being what might be referred to as a “psychoanalytic imagination.” Mary Bergstein demonstrates that visual images not only illustrated, but also engendered ways of seeing social, psychological, and scientific ideas during a formative time in the creation and development of psychoanalysis and the modern age. Indeed, she argues that visual culture initiated significant aspects of psychoanalytic thought. Visual Culture in Freud’s Vienna examines a variety of visual materials and texts, ranging from scientific illustrations to popular “low culture” and even forms of erotica, including film. Attention is also given to women’s dresses and shoes in a social context and as they are represented in photography and circulated as fetish objects. Bergstein maintains a commitment to women’s history and feminist inquiry throughout, particularly in her final chapter, which is devoted to the representations of women in the erotic photography and film of Freud’s Vienna. Visual Culture in Freud’s Vienna is well illustrated with images drawn from the sources discussed and makes a significant contribution to our understanding of modernism and psychoanalysis.
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Woodiwiss, Anthony, ed. The Visual in Social Theory. The Athlone Press, 2001. http://dx.doi.org/10.5040/9781350276468.
Abstract:
The distinction between understanding sight as a natural faculty - vision - and understanding it as an historical and social construct - visuality - has had significant impact in the visual arts. Not so in social theory where, notwithstanding the efforts of the classical theorists, the practical scientific necessity of privileging visuality over vision has been lost. The Visual in Social Theory argues that, because of its uncritical use of terms like modernity, postmodernity, globalisation and the Third Way, contemporary social theory has become a participant in rather than a critic of 'promotional culture'. In short, in forgetting its past social theory has effectively forsaken its future. The Visual in Social Theory aims to restore the self-discipline and critical edge intrinsic to any analytical work on visuality. The book will be essential reading not only for those interested in contemporary debates around vision but for a broader readership concerned for the critical relevance of contemporary social theory.
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Beh, Shin C., Elliot M. Frohman, and Teresa Frohman. Neuro-ophthalmologic Manifestations of Multiple Sclerosis. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199341016.003.0012.
Abstract:
The inflammatory, demyelinating plaques that characterize multiple sclerosis (MS) frequently affect the visual pathways. Lesions of the afferent visual pathway (most commonly optic neuritis) result in problems conveying visual stimuli from the retina to the visual cortices. Lesions affecting the efferent visual system result in ocular dysmotility that impairs visual acuity by disrupting the precision of binocular eye movements or by causing excessive eye movements that prevent adequate foveation (e.g. nystagmus, saccadic intrusions). Significant advancements have been made in the techniques used to interrogate both the structural and the functional integrity of the visual system to dissect the pathobiological underpinnings of multiple sclerosis and to design better biomarkers and clinical trial outcomes. This chapter discusses the neuro-ophthalmic manifestations of multiple sclerosis, revolutionary advancements in optical coherence tomography and visual electrophysiology, and therapies for treating visual dysfunction in multiple sclerosis.
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Paradis, Thomas W. The Visual Encyclopedia of American Landmarks: 150 Of The Most Significant And Noteworthy Historic, Cultural And Architectural Sites In America, Shown In More Than 500 Photographs. Lorenz Books, 2016.
Book chapters on the topic "Signifiant visuel":
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Fledelius, Hans C. "Myopia and Significant Visual Impairment: Global Aspects." In Myopia Updates II, 31–37. Tokyo: Springer Japan, 2000. http://dx.doi.org/10.1007/978-4-431-66917-3_7.
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Tzouveli, Paraskevi K., Klimis S. Ntalianis, and Stefanos D. Kollias. "Automatic Videoconference Objects Watermarking Using Object Adapted Qualified Significant Wavelet Trees." In Visual Content Processing and Representation, 156–63. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-39798-4_21.
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Jayalakshmi, M., S. N. Merchant, and U. B. Desai. "Significant Pixel Watermarking Using Human Visual System Model in Wavelet Domain." In Computer Vision, Graphics and Image Processing, 206–15. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11949619_19.
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Gerasimenko, Natalia, Anastasiia Kushnir, and Elena Mikhailova. "Recognition of Visual Stimuli Which Proceeded by Socially Significant Images: An ERP Study." In Advances in Cognitive Research, Artificial Intelligence and Neuroinformatics, 87–94. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71637-0_9.
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Bolt, Alfredo, Massimiliano de Leoni, and Wil M. P. van der Aalst. "A Visual Approach to Spot Statistically-Significant Differences in Event Logs Based on Process Metrics." In Advanced Information Systems Engineering, 151–66. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-39696-5_10.
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Andreallo, Fiona. "How Touch Works in Everyday Networked Social Relationships." In Mapping selfies and memes as Touch, 35–56. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-94316-5_3.
Abstract:
AbstractThis chapter presents a way to begin mapping Touch in everyday networked practices by examining how Touch is culturally significant. Extending from the previous chapter, networked Touch is first identified as embodied and multimodal. The five fundamentals of the cultural mode of Touch—identified as connection, engagement, contiguity, differentiation and positioning—are then located for how they are culturally significant in everyday relationships. Finally, acknowledging networked social relationships as embodied and multimodal, I argue that visual social relationships can be understood as practices of Touch and mapped through close examination of the fundamentals of Touch. Furthermore, the fundamentals (as a map) could potentially be used to investigate the technological self beyond visual social relationships.
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Jain, Shubham, Thomas Schweiss, Simon Bender, and Dirk Werth. "Omnichannel Retail Customer Experience with Mixed-Reality Shopping Assistant Systems." In Advances in Visual Computing, 504–17. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-90439-5_40.
Abstract:
AbstractMixed reality has been identified as one of the technologies that can be deployed in omnichannel retail to improve the customer shopping experience. The article presents a mixed reality based digital shopping assistant which aims to provide retail customers with a holistic shopping experience. Design science research methodology is used to develop this physical artifact that comprises of assisting elements: product information, reviews, recommendations and a buy button. A study was conducted with two different head-mounted displays (Microsoft HoloLens and HoloLens 2) where 29 participants evaluated the proposed physical artifact and brings out the relationship between shopping experience constructs that constitutes a modern omnichannel retail customer experience. Results show a positive attitude of customers towards the technology. Differences between the two-head mounted displays were observed in terms of perceived privacy issues. Technology adoption, enjoyment and security beliefs of the customers are observed to have a significant effect on the user’s intention to use the technology. The results also reveal that a customer’s perceived convenience, perceived service quality, attitude towards the retailer and the word of mouth are affected significantly by their intention to use the technology. These results, along with qualitative comments from the participants are used to extract research, development and deployment implications for future iterations of shopping assistant systems based on mixed reality.
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Desille, Amandine, and Karolina Nikielska-Sekula. "Introduction." In IMISCOE Research Series, 1–27. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67608-7_1.
Abstract:
AbstractA significant effort in theorising and conceptualising the visual has been made within various disciplines. To mention only a few, Howard Becker (Art as collective action. Am Sociol Rev 767–776, 1974) in visual sociology, Lucien Taylor (Visualising theory. Routledge, 1994), Marcus Banks and Howard Morphy ((eds): Rethinking visual anthropology. Yale University Press, London, 1999) and Jay Ruby (Picturing culture: explorations of film and anthropology. University of Chicago Press, Chicago, 2000) in visual anthropology, Chris Jenk ((ed): Visual culture. Routledge, 1995) in cultural studies, Gillian Rose (Visual methodologies: an introduction to the interpretation of visual methods. Sage, 2001) in geography and Sarah Pink (Doing visual ethnography. Sage, London, 2001) in visual ethnography, all produced fundamental works focusing on the visual in social sciences. This book, however, without diminishing the disciplinary work within the subject, proposes to approach visual methodologies in the specific context of a field of study, adopting an interdisciplinary approach that brings together geography, sociology, anthropology and communication studies. As Adrian Favell (Rebooting migration theory: interdisciplinarity, globality and postdisciplinarity in migration studies. In: Brettell C, Hollifield J (eds) Migration theory: talking across disciplines. Routledge, pp 259–278, 2007, p. 1988) has suggested: “On the face of it, there could hardly be a topic in the contemporary social sciences more naturally ripe for interdisciplinary thinking than migration studies.” In this piece we will attempt to explain why the adoption of visual methodologies in the field of migration studies is of particular interest.
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Best, Lisa, and Claire Goggin. "The Science of Seeing Science: Examining the Visuality Hypothesis." In Diagrammatic Representation and Inference, 339–47. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-86062-2_34.
Abstract:
AbstractFundamental disciplinary differences may be traceable to the use of visual representations, with researchers in the physical and life sciences relying more heavily on visuality. Our goal was to examine how inscriptions are used by scientists in different disciplines. We analyzed 2,467 articles from journals in biology, criminology and criminal justice, gerontology, library and information science, medicine, psychology, and sociology. Proportion of page space dedicated to graphs, tables, and non-graph illustrations was calculated. A Visuality Index was defined as the proportion of page space dedicated to visual depictions of data and non-data information. An ANOVA indicated a statistically significant difference between disciplines, interaction between inscription type and discipline, with articles published in biology journals dedicating more page space to graphs. The significant overlap in inscription use and visuality indicates imperfect disciplinary demarcation, suggesting similar methodological and data analytic practices within a discipline and between subdisciplines.
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Mutis, Ivan, Marina Oberemok, and Nishanth Purushotham. "Improving Sense-Making for Construction Planning Tasks Using Visual and Haptic Stimuli in Virtual Reality Environments." In CONVR 2023 - Proceedings of the 23rd International Conference on Construction Applications of Virtual Reality, 142–54. Florence: Firenze University Press, 2023. http://dx.doi.org/10.36253/10.36253/979-12-215-0289-3.14.
Abstract:
Design documents, drawings, and specifications are visual representations that are fundamental and prevalent in today’s construction engineering practice. Construction specialties (e.g., structural, mechanical) rely on these visual representations to express and draw meaning during collaborations. Construction engineering and management (CEM) students must acquire the knowledge, skills, and abilities — a key example of which is perceptual competence —for interpreting visual representations to facilitate efficient task execution, such as planning. Empowering learners with new technology using robust real-world immersion and interactive features is a significant step towards this target. The presented research explores new human-machine interactions to determine the best way for CEM students to learn through the combined senses of sight and touch. The approach merges visual and haptic interactions within an immersive environment to enhance perception and reasoning skills. The research demonstrates how CEM learners interact with and interpret the meanings of information within a planning task. It explores how VR and haptic technology augment the ability to recognize meanings — a new type of representational competency — for improved interpretation of information related to components with respect to engineering disciplines and sub-systems in a CEM, and investigates learners’ problem-solving ability by using perception-rich enhanced virtual reality (VR) and haptic affordances
Conference papers on the topic "Signifiant visuel":
1
Andersson, Fred. "Groupe µ and “the system of plastic form” -for an evaluation-." In Le Groupe μ : quarante ans de rhétorique – trente-trois ans de sémiotique visuelle. Limoges: Université de Limoges, 2010. http://dx.doi.org/10.25965/as.3097.
Abstract:
Le Groupe µ et "le système de formes plastiques” -à propos d’une évaluation- L’objectif de cet article est de fournir quelques exemples et de proposer certains éclaircissements qui peuvent contribuer à la compréhension de la théorie du signe plastique conçu par le Groupe μ. Plus précisément, l’article porte sur les éléments de la théorie en question qui constituent une analyse du système de la forme tant qu’elle est distincte du système de la couleur et du système de la texture. Dans l’espoir de faire connaître quelques-uns des fondations et des implications de ce système de forme plastique, principalement aux lecteurs anglo-saxons, l’article tente également de clarifier sa place au sein de la théorie générale du signe visuel articulé par Groupe μ dans son Traité du signe visuel (1992). La première section de l’article traite de la notion esthétique générale de forme et de sa relation avec d'une part la notion de forme/formation visuelle et de l'autre la notion de forme sémiotique telle qu’elle a été développée par Hjelsmlev. On prend note du risque que les visées d’une sémiotique plastique puissent être indûment confondues avec celles du formalisme dans l'esthétique. Selon l’avis de l’auteur, les études de sémiotique visuelle ne sauraient bénéficier de ce genre de confusion, mais devraient plutôt tenter de maintenir sa distance par rapport aux conjectures et luttes de pouvoir dans le(s) monde(s) de l'art. La deuxième section explique la distinction faite par le Groupe μ entre le signe iconique et le signe plastique, conçus comme des couches séparées du signe visuel. Selon le Groupe μ, le signe iconique forme une structure triadique contenant le signifiant, le type et le référent. Il y a des similarités entre cette conception et le triangle d’Ogden & Richards. Or, la notion du Type a des implications plus vastes que la conception d’Ogden & Richards, selon lesquels il existe une image très générale qui met en relation symbole/signifier et référent – le type est ici le résultat de modélisations et de catégorisations, et il est valable aussi bien pour le signe iconique que pour le signe plastique. Par définition, le signe plastique manque de référent : la relation entre un motif et ses variations dépend donc uniquement du rapport Signifier/Type. Sur la base de cette relation Signifier/Type, les signes plastiques apparaissent, selon le Groupe µ, aux trois niveaux de la sémiose, sur le niveau purement plastique, sur le niveau extravisuel (ou symbolique), et dans une interaction avec le signe iconique sur le niveau iconico-plastique. La troisième section de l’article explique le système de forme plastique telle qu’elle est conçue par le Groupe μ. Le système est constitué par trois « formemes » (ou catégories), à savoir position, dimension et l'orientation. Il est conçu en termes de figures apparaissant dans un plan restreint. Comme les relations fondamentales dans le plan sont celles entre le centre - la marge, le haut - le bas et la gauche - la droite, le système de positions alternatives (par exemple marginal, au-dessus et au centre) est isomorphe au système d'autres orientations (par exemple vers l'intérieur, d'en haut vers le centre). Le système d'autres dimensions/tailles, par contraste, est défini par le biais de la fonction de la taille de la figure en relation à la taille du plan de l’image et le point focal. Ces valeurs plastiques de position, de dimension et d’orientation sont les signifiants du système. Ils sont liés à leurs signifiés de la manière suivante : la position à l’attraction, la dimension à la domination, l'orientation à l'équilibre. Cette corrélation est validée par les auteurs au moyen d’une démonstration visuelle. Dans la quatrième et dernière section de l’article, des observations sont faites au sujet des répercussions plus vastes ainsi que des applications du système. Conformément à la visée du propre Groupe µ à surmonter les limitations qui résultent de la spécialisation de disciplines telles que la psychologie de la perception, l'auteur soutient que des systèmes théoriques comme celui du système plastique peut fournir un cadre interdisciplinaire qui facilite l’évaluation à la fois des données scientifiques et des discours philosophiques généraux concernant le monde visuel. En ce qui concerne des applications plus proches, l'auteur estime que les théories du sens visuel et de la rhétorique du Groupe μ, si elles étaient plus largement connues, contribueraient considérablement à la compréhension de l'importance du sens plastique dans la communication visuelle et au développement des méthodes pédagogiques pour la description et l’interprétation de l'image.
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Jayalakshmi, M., S. N. Merchant, and U. B. Desai. "Significant pixel watermarking in contourlet domain." In IET International Conference on Visual Information Engineering (VIE 2006). IEE, 2006. http://dx.doi.org/10.1049/cp:20060567.
3
Suthaharan, Shan, Hong R. Wu, and K. R. Rao. "Perceptually most significant edge detection algorithm for object-based coding." In Visual Communications and Image Processing 2000, edited by King N. Ngan, Thomas Sikora, and Ming-Ting Sun. SPIE, 2000. http://dx.doi.org/10.1117/12.386650.
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Casas, Josep R., and Luis Torres. "Coding of significant features in very low bit-rate video systems." In Visual Communications and Image Processing '94, edited by Aggelos K. Katsaggelos. SPIE, 1994. http://dx.doi.org/10.1117/12.186014.
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Song, Haohao, Songyu Yu, Li Song, and Hongkai Xiong. "A high-efficient significant coefficient scanning algorithm for 3-D embedded wavelet video coding." In Visual Communications and Image Processing 2005. SPIE, 2005. http://dx.doi.org/10.1117/12.633364.
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El Sayad, Ismail, Jean Martinet, Thierry Urruty, Yassine Benabbas, and Chabane Djeraba. "A semantically significant visual representation for social image retrieval." In 2011 IEEE International Conference on Multimedia and Expo (ICME). IEEE, 2011. http://dx.doi.org/10.1109/icme.2011.6011867.
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Schneck, Marilyn E., Vicki J. Volbrecht, and Anthony J. Adams. "Immediate and Significant Changes in Sws Sensitivity Accompany Variations in Blood Glucose in Diabetic Observers." In Noninvasive Assessment of the Visual System. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/navs.1991.wb1.
Abstract:
Our laboratory, as well as others (eg: Adams et al, 1982; Zisman and Adams, 1982; Greenstein et al, 1989) have reported that the short-wavelength sensitive (SWS) pathway is selectively compromised in diabetes. It is well known that the loss of short-wavelength system sensitivity, as well as the development of tritan (blue-yellow) defects are among the earliest visual changes in diabetes, often occurring in patients for whom clinical examination reveals no evidence of retinopathy. On the other hand, the degree of SWS sensitivity loss increases with the severity of retinopathy and is increased in the presence of macular edema (Adams et al, 1987; Greenstein et al, 1990). The changes in visual function are therefore assumed to be an indirect consequence of diabetes, resulting from the vascular damage and resulting retinal hypoxia caused by diabetes, rather than a direct action of metabolites on tissue function in an "acute" sense.
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Chen, Siming, Shuai Chen, Lijing Lin, Xiaoru Yuan, Jie Liang, and Xiaolong Zhang. "E-Map: A Visual Analytics Approach for Exploring Significant Event Evolutions in Social Media." In 2017 IEEE Conference on Visual Analytics Science and Technology (VAST). IEEE, 2017. http://dx.doi.org/10.1109/vast.2017.8585638.
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Lin, Yi-Chun, and Feng-Li Lian. "Frame with significant perceived motion energy for mobile visual sensing system." In 2013 IEEE International Conference on Information and Automation (ICIA). IEEE, 2013. http://dx.doi.org/10.1109/icinfa.2013.6720263.
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Pan, Weiyao, Shengying Yang, Xiaohong Qian, Jingsheng Lei, and Shuai Zhang. "Learn More: Sub-Significant Area Learning for Fine-Grained Visual Classification." In 2023 IEEE International Conference on Image Processing (ICIP). IEEE, 2023. http://dx.doi.org/10.1109/icip49359.2023.10222241.
Reports on the topic "Signifiant visuel":
1
Santoro, Fabrizio. Visual Nudges: How Deterrence and Equity Shape Tax Compliance Attitudes and Behaviour in Rwanda. Institute of Development Studies, August 2022. http://dx.doi.org/10.19088/ictd.2022.011.
Abstract:
The empirical evidence on the drivers of compliance is expanding quickly, but there is less evidence from low-income countries. Mass-media communication channels are a cheap option that budget-constrained revenue administrations can use to communicate with taxpayers. However, very little is known about the effectiveness of such tools in improving compliance. This paper starts to address this gap by testing the impact of two short animated videos on tax matters – one focusing on deterrence and the other on equity – that were used in a survey experiment. Using a unique dataset of survey and administrative data from Rwandan taxpayers, we are able to measure the impact on compliance perceptions and behaviour. We document two significant results. First, both videos are effective in improving perceptions around enforcement and equity. Second, only the deterrence video translates into more tax being remitted – the equity appeal fails to raise more revenue. We investigate the mechanisms behind this response, and show that prior behaviour of taxpayers might explain the different responses to our deterrence and equity treatments. Our intervention is highly cost-effective and easily scalable.
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Knight, R. D., and H. A. J. Russell. Quantifying the invisible: pXRF analyses of three boreholes, British Columbia and Ontario. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/331176.
Abstract:
Portable X-ray fluorescence (pXRF) technology collects geochemical data at a fraction of the cost of traditional laboratory methods. Although the pXRF spectrometer provides concentrations for 41 elements, only a subset of these elements meet the criteria for definitive, quantitative, and qualitative data. However, high-quality pXRF data obtained by correct application of analytical protocols, can provide robust insight to stratigraphy and sediment characteristics that are often not observed by, for example, visual core logging, grain size analysis, and geophysical logging. We present examples of geochemical results obtained from pXRF analysis of drill core samples from three boreholes located in Canada, that demonstrate: 1) Definitive stratigraphic boundaries observed in geochemical changes obtained from 380 analyses collected over 150 m of core, which intersects three Ordovician sedimentary formations and Precambrian granite. These boundaries could not be reconciled by traditional visual core logging methods. 2) Significant elemental concentration changes observed in 120 samples collected in each of two ~120 m deep boreholes located in a confined paleo-glacial foreland basin. The collected geochemical data provide insight to sediment provenance and stratigraphic relationships that were previously unknown. 3) Abrupt changes in the geochemical signature in a subset of 135 samples collected from a 151 m deep borehole intersecting Quaternary glacial derived till, sands, and ahomogeneous silt and clay succession. These data provide a platform for discussion on ice sheet dynamics, changes in depositional setting, and changes in provenance. Results from each of these studies highlights previously unknown (invisible) geological information revealed through geochemical analyses. A significant benefit of using pXRF technology is refining sampling strategies in near real time and the ability to increase sample density at geochemical boundaries with little increase in analysis time or budget. The data also provide an opportunity to establish a chemostratigraphic framework that complements other stratigraphic correlation techniques, including geophysical methods. Overall, data collected with pXRF technology provide new insights into topics such as spatial correlations, facies changes, provenance changes, and depositional environment changes.
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Yu, Zifu, and Xihua Liu. Efficacy of Sacral Magnetic Stimulation on Neurogenic Bladder after Spinal Cord Injury: A Meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, June 2022. http://dx.doi.org/10.37766/inplasy2022.6.0009.
Abstract:
Review question / Objective: P (Population): patients with neurogenic bladder (NB) after spinal cord injury; I (Intervention): sacral magnetic stimulation and routine rehabilitation training; C (Comparison): routine rehabilitation training and/or sham-sacral magnetic stimulation; O (Outcome): urinary frequency, voided volume, maximum urination volume，first sensation capacity, maximum bladder volume, maximum bladder pressure, QOL (Quality of Life Score), VAS(Visual Analogue Scale), LUTS (Lower Urinary Tract Symptoms); S (Study): Randomized controlled trial, RCT. Condition being studied: Spinal cord injury (SCI) leads to long-term disabilities with significant social and economic consequences. After SCI, bladder dysfunction is common and improved bladder function consistently ranks as the top quality of life priority in individuals with SCI. Patients with a neurogenic bladder following SCI often catheterize themselves to empty the bladder, and urinary tract infections and obstructive uropathies are common.
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DeMarle, David, and Andrew Bauer. In situ visualization with temporal caching. Engineer Research and Development Center (U.S.), January 2022. http://dx.doi.org/10.21079/11681/43042.
Abstract:
In situ visualization is a technique in which plots and other visual analyses are performed in tandem with numerical simulation processes in order to better utilize HPC machine resources. Especially with unattended exploratory engineering simulation analyses, events may occur during the run, which justify supplemental processing. Sometimes though, when the events do occur, the phenomena of interest includes the physics that precipitated the events and this may be the key insight into understanding the phenomena that is being simulated. In situ temporal caching is the temporary storing of produced data in memory for possible later analysis including time varying visualization. The later analysis and visualization still occurs during the simulation run but not until after the significant events have been detected. In this article, we demonstrate how temporal caching can be used with in-line in situ visualization to reduce simulation run-time while still capturing essential simulation results.
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Fedorenko, Elena G., Nataliia V. Kaidan, Vladyslav Ye Velychko, and Vladimir N. Soloviev. Gamification when studying logical operators on the Minecraft EDU platform. [б. в.], July 2021. http://dx.doi.org/10.31812/123456789/4624.
Abstract:
Use of visual methods plays a significant role in learning. ICT allow us to create electronic educational resources in a new format and with new opportunities. The study of their didactic possibilities, forms and methods of their application is a topical issue. Simulation, virtualization, gamification requires new knowledge about their application, and therefore, the problem of training future teachers to use them is an urgent and important part of training. In this article modern achievements in the use of serious games in education were investigated and analyzed, the possibilities of using virtual worlds in education were considered, the recommendations for the practical training of future teachers to use them were developed. In practice, the effectiveness of the use of virtual tools in education has been tested. A pedagogical experiment has been launched to identify the effectiveness of gamification in the realities of education in Ukraine.
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bin Ahsan, Wahid, Imran Hossain, Habibur Rahman, Nasir Uddin, Kazi Harunur Rashid, Shahariar Ratul, Zannatul Ferdous, Fariha Islam, and Abu MD Ehsan. Global Mobile App Accessibility: A Comparative Study of WCAG Compliance Across 12 Countries. Userhub, April 2024. http://dx.doi.org/10.58947/mxrc-rzkh.
Abstract:
This study assesses the accessibility of mobile applications across twelve countries, including the USA, Vietnam, Turkey, Ireland, and South Korea. Our evaluation of 60 popular apps reveals a widespread failure to meet the Web Content Accessibility Guidelines (WCAG), with Vietnam exhibiting the highest average of 41.2 violations per app. These violations were particularly prevalent in essential areas such as touch target size and color contrast, critical for users with visual and motor impairments. Despite robust accessibility laws such as the Americans with Disabilities Act (ADA) in the USA and the European Accessibility Act (EAA) in the EU, our findings indicate a significant gap between these legal frameworks and their practical application. Our study highlights the urgent need for a multifaceted approach that includes strict enforcement, enhanced developer education with a focus on cross-cultural accessibility, and international cooperation. This research underscores the importance of integrating accessibility as a core component of digital infrastructure development to ensure mobile applications are truly accessible to all users.
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Alves, Pana, Carmen Broto, María Gil, and Matías Lamas. Risk and vulnerability indicators for the spanish housing market. Madrid: Banco de España, July 2023. http://dx.doi.org/10.53479/36275.
Abstract:
The residential real estate market has a significant weight in the Spanish economy and its performance is closely linked to that of the financial cycle. In addition, as evidenced by the real estate crisis that began in Spain in 2008, the risks generated in this sector have important implications for financial stability. The development of a framework for the early identification of risks in this market is therefore key. This article presents two complementary tools to meet this objective. The first is a heat map that provides a visual interpretation of risk levels in this market for a wide selection of individual indicators. The second is a synthetic indicator that summarizes the information provided by the individual indicators. This index complements the information of the heat map, since it measures both the intensity of the risks in each period and their composition. Both the heat map and the synthetic indicator suggest that, in recent months, the vulnerabilities that had been accumulating in the housing market since 2021 have somewhat reverted.
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Burks, Thomas F., Victor Alchanatis, and Warren Dixon. Enhancement of Sensing Technologies for Selective Tree Fruit Identification and Targeting in Robotic Harvesting Systems. United States Department of Agriculture, October 2009. http://dx.doi.org/10.32747/2009.7591739.bard.
Abstract:
The proposed project aims to enhance tree fruit identification and targeting for robotic harvesting through the selection of appropriate sensor technology, sensor fusion, and visual servo-control approaches. These technologies will be applicable for apple, orange and grapefruit harvest, although specific sensor wavelengths may vary. The primary challenges are fruit occlusion, light variability, peel color variation with maturity, range to target, and computational requirements of image processing algorithms. There are four major development tasks in original three-year proposed study. First, spectral characteristics in the VIS/NIR (0.4-1.0 micron) will be used in conjunction with thermal data to provide accurate and robust detection of fruit in the tree canopy. Hyper-spectral image pairs will be combined to provide automatic stereo matching for accurate 3D position. Secondly, VIS/NIR/FIR (0.4-15.0 micron) spectral sensor technology will be evaluated for potential in-field on-the-tree grading of surface defect, maturity and size for selective fruit harvest. Thirdly, new adaptive Lyapunov-basedHBVS (homography-based visual servo) methods to compensate for camera uncertainty, distortion effects, and provide range to target from a single camera will be developed, simulated, and implemented on a camera testbed to prove concept. HBVS methods coupled with imagespace navigation will be implemented to provide robust target tracking. And finally, harvesting test will be conducted on the developed technologies using the University of Florida harvesting manipulator test bed. During the course of the project it was determined that the second objective was overly ambitious for the project period and effort was directed toward the other objectives. The results reflect the synergistic efforts of the three principals. The USA team has focused on citrus based approaches while the Israeli counterpart has focused on apples. The USA team has improved visual servo control through the use of a statistical-based range estimate and homography. The results have been promising as long as the target is visible. In addition, the USA team has developed improved fruit detection algorithms that are robust under light variation and can localize fruit centers for partially occluded fruit. Additionally, algorithms have been developed to fuse thermal and visible spectrum image prior to segmentation in order to evaluate the potential improvements in fruit detection. Lastly, the USA team has developed a multispectral detection approach which demonstrated fruit detection levels above 90% of non-occluded fruit. The Israel team has focused on image registration and statistical based fruit detection with post-segmentation fusion. The results of all programs have shown significant progress with increased levels of fruit detection over prior art.
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Sagvaag, Hildegunn, Mikkel Magnus Thørrisen, Lisebet Skeie Skarpaas, and Randi Wågø Aas. Alkoholbruk og alkoholkultur blant ansatte i et forvaltningsorgan i Rogaland: En case-rapport fra forskningsprosjektet WIRUS. University of Stavanger, October 2021. http://dx.doi.org/10.31265/usps.111.
Abstract:
Bakgrunn: WIRUS er et nasjonalt forskningsprosjekt om alkohol, arbeidsliv, sykefravær, sykenærvær og arbeidsplassbaserte intervensjoner. Prosjektet består av flere delstudier. Én av disse er en screeningstudie der ansatte i ulike virksomheter, på tvers av sektorer og bransjer, svarer på et spørreskjema som handler om bl.a. alkoholbruk, holdninger til arbeidsrelatert alkoholbruk og forventninger til virkninger av alkoholbruk. Én av virksomhetene som deltar i WIRUS er et forvaltningsorgan i Rogaland. I denne rapporten presenteres resultater fra spørreundersøkelsen blant ansatte i denne virksomheten. Målet med denne rapporten er å beskrive alkoholbruk, holdninger til arbeidsrelatert alkoholbruk og forventninger til virkninger av alkoholbruk blant ansatte i virksomheten. Alkoholbruk er kartlagt ved hjelp av Alcohol Use Disorders Identification Test (AUDIT), som er utviklet av Verdens helseorganisasjon (WHO). Virksomhetens resultater sammenliknes med de øvrige virksomhetene i WIRUS, og også resultater fra en tidligere utført befolkningsstudie i Norge. Rapporten kan brukes som et kunnskapsgrunnlag for arbeid med alkoholpolicy på arbeidsplassen, og for situasjoner i gråsonen mellom jobb og fritid. Resultatene for alkoholbruk viser at virksomhetens ansatte i gjennomsnitt rapporterte et noe høyere alkoholbruk enn ansatte i de øvrige virksomhetene i WIRUS (4,31 mot 4,00 av 40 mulige poeng på AUDIT-skalaen). Forskjellen var statistisk signifikant. Forekomsten av risikofylt alkoholbruk blant de ansatte var også noe høyere i virksomheten (12,5 %) enn hva som er funnet i de øvrige WIRUS-virksomhetene (11,4 %), men likevel lavere enn hva tidligere forskning har funnet i den generelle norske befolkningen (16,9 %). Forskjellen i andel risikodrikkere mellom virksomheten og de øvrige WIRUS-virksomhetene er imidlertid ikke statistisk signifikant. Virksomhetens ansatte rapporterte å ha noe mer positive (liberale) holdninger til arbeidsrelatert alkoholbruk enn ansatte i de øvrige WIRUS-virksomhetene (2,26 mot 2,14 av 4 poeng). Forskjellen var statistisk signifikant. Virksomhetens ansatte rapporterte også om marginalt mer positive forventninger til virkninger av alkoholbruk enn ansatte i de øvrige WIRUS-virksomhetene (1,80 mot 1,74 av 4 poeng), men denne forskjellen var ikke statistisk signifikant. Konklusjon og anbefalinger: Resultatene fra denne undersøkelsen tyder på at virksomhetens ansatte hadde noe høyere alkoholforbruk og noe mer positive (liberale) holdninger til jobbrelatert alkoholbruk enn alle ansatte i virksomhetene som deltar i WIRUS-prosjektet. Forekomsten av risikofylt alkoholbruk og forventninger til virkninger av alkoholbruk var imidlertid ikke signifikant forskjellig. Det var også svært få ansatte med høy risiko i virksomheten, og ingen som skåret ut med trolig avhengighet. Denne undersøkelsen gir i så måte ikke grunnlag for å anbefale særskilte tiltak for denne virksomheten, utover det som generelt kan betraktes som hensiktsmessig alkoholforebyggende arbeid i arbeidslivet.
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Jia, Yunhui, Christopher S. Williams, Prince Baah, and Mark D. Bowman. Long-Term Project and Network-Level NDT Implementation Plan for Indiana. Purdue University, 2023. http://dx.doi.org/10.5703/1288284317582.
Abstract:
Bridge deck condition assessments in Indiana are primarily reliant on visual inspection. The condition of bridge decks, however, is highly dependent on deterioration under the surface, which includes the corrosion of steel reinforcement and concrete delamination. The implementation of reliable nondestructive testing (NDT) methods can provide information about such internal deterioration, but considering the multiple NDT methods currently available, guidance is needed to find the best approach for assessing bridge decks in the state’s bridge inventory. A research program was conducted to examine various NDT methods with the objective of recommending an effective NDT strategy for network-level and project-level bridge inspections in Indiana that will complement information from traditional bridge inspections and provide asset engineers with improved information for long-term programming decisions. For the study, several consultants used various NDT methods to inspect a set of bridge decks that represented a range of desired test variables. Based on the test results, it was determined that aerial infrared thermography (IRT) is a good network-level method that is capable of scanning a large number of bridges and providing an initial assessment of bridge deck conditions. If significant delamination activity is detected, then follow-up network-level scanning limited to the problematic bridge decks should be performed using vehicle-mounted IRT. For project-level scanning of individual bridge decks, impact echo was found to be reliable and repeatable. For bridges with high-traffic volume for which project-level scanning is needed, a pole-mounted IRT system was found to be effective for evaluating the deck condition.