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Author Danna Xue; Javier Vazquez; Luis Herranz; Yang Zhang; Michael S Brown
Title Integrating High-Level Features for Consistent Palette-based Multi-image Recoloring Type Journal Article
Year 2023 Publication Computer Graphics Forum Abbreviated Journal CGF
Volume Issue Pages
Keywords
Abstract Achieving visually consistent colors across multiple images is important when images are used in photo albums, websites, and brochures. Unfortunately, only a handful of methods address multi-image color consistency compared to one-to-one color transfer techniques. Furthermore, existing methods do not incorporate high-level features that can assist graphic designers in their work. To address these limitations, we introduce a framework that builds upon a previous palette-based color consistency method and incorporates three high-level features: white balance, saliency, and color naming. We show how these features overcome the limitations of the prior multi-consistency workflow and showcase the user-friendly nature of our framework.
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Notes CIC; MACO Approved no
Call Number (up) Admin @ si @ XVH2023 Serial 3883
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Author Ivet Rafegas; Maria Vanrell
Title Color encoding in biologically-inspired convolutional neural networks Type Journal Article
Year 2018 Publication Vision Research Abbreviated Journal VR
Volume 151 Issue Pages 7-17
Keywords Color coding; Computer vision; Deep learning; Convolutional neural networks
Abstract Convolutional Neural Networks have been proposed as suitable frameworks to model biological vision. Some of these artificial networks showed representational properties that rival primate performances in object recognition. In this paper we explore how color is encoded in a trained artificial network. It is performed by estimating a color selectivity index for each neuron, which allows us to describe the neuron activity to a color input stimuli. The index allows us to classify whether they are color selective or not and if they are of a single or double color. We have determined that all five convolutional layers of the network have a large number of color selective neurons. Color opponency clearly emerges in the first layer, presenting 4 main axes (Black-White, Red-Cyan, Blue-Yellow and Magenta-Green), but this is reduced and rotated as we go deeper into the network. In layer 2 we find a denser hue sampling of color neurons and opponency is reduced almost to one new main axis, the Bluish-Orangish coinciding with the dataset bias. In layers 3, 4 and 5 color neurons are similar amongst themselves, presenting different type of neurons that detect specific colored objects (e.g., orangish faces), specific surrounds (e.g., blue sky) or specific colored or contrasted object-surround configurations (e.g. blue blob in a green surround). Overall, our work concludes that color and shape representation are successively entangled through all the layers of the studied network, revealing certain parallelisms with the reported evidences in primate brains that can provide useful insight into intermediate hierarchical spatio-chromatic representations.
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Notes CIC; 600.051; 600.087 Approved no
Call Number (up) Admin @ si @RaV2018 Serial 3114
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Author Susana Alvarez
Title Revisión de la teoría de los Textons Enfoque computacional en color Type Book Whole
Year 2012 Publication PhD Thesis, Universitat Autonoma de Barcelona-CVC Abbreviated Journal
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Abstract El color y la textura son dos estímulos visuales importantes para la interpretación de las imágenes. La definición de descriptores computacionales que combinan estas dos características es aún un problema abierto. La dificultad se deriva esencialmente de la propia naturaleza de ambas, mientras que la textura es una propiedad de una región, el color es una propiedad de un punto.

Hasta ahora se han utilizado tres los tipos de aproximaciones para la combinación, (a) se describe la textura directamente en cada uno de los canales color, (b) se describen textura y color por separado y se combinan al final, y (c) la combinación se realiza con técnicas de aprendizaje automático. Considerando que este problema se resuelve en el sistema visual humano en niveles muy tempranos, en esta tesis se propone estudiar el problema a partir de la implementación directa de una teoría perceptual, la teoría de los textons, y explorar así su extensión a color.

Puesto que la teoría de los textons se basa en la descripción de la textura a partir de las densidades de los atributos locales, esto se adapta perfectamente al marco de trabajo de los descriptores holísticos (bag-of-words). Se han estudiado diversos descriptores basados en diferentes espacios de textons, y diferentes representaciones de las imágenes. Asimismo se ha estudiado la viabilidad de estos descriptores en una representación conceptual de nivel intermedio.

Los descriptores propuestos han demostrado ser muy eficientes en aplicaciones de recuperación y clasificación de imágenes, presentando ventajas en la generación de vocabularios. Los vocabularios se obtienen cuantificando directamente espacios de baja dimensión y la perceptualidad de estos espacios permite asociar semántica de bajo nivel a las palabras visuales. El estudio de los resultados permite concluir que si bien la aproximación holística es muy eficiente, la introducción de co-ocurrencia espacial de las propiedades de forma y color de los blobs de la imagen es un elemento clave para su combinación, hecho que no contradice las evidencias en percepción
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Corporate Author Thesis Ph.D. thesis
Publisher Ediciones Graficas Rey Place of Publication Editor Maria Vanrell;Xavier Otazu
Language Summary Language Original Title
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ISSN ISBN Medium
Area Expedition Conference
Notes CIC Approved no
Call Number (up) Alv2012b Serial 2216
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Author Robert Benavente; Laura Igual; Fernando Vilariño
Title Current Challenges in Computer Vision Type Book Whole
Year 2008 Publication Proccedings of the Third Internal Workshop Abbreviated Journal
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ISSN ISBN 978-84-936529-0-6 Medium
Area Expedition Conference CVCRD
Notes MILAB;CIC;SIAI Approved no
Call Number (up) BCNPCL @ bcnpcl @ BIV2008 Serial 1110
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Author Robert Benavente; Ernest Valveny; Jaume Garcia; Agata Lapedriza; Miquel Ferrer; Gemma Sanchez
Title Una experiencia de adaptacion al EEES de las asignaturas de programacion en Ingenieria Informatica Type Miscellaneous
Year 2008 Publication V Congreso Iberoamericano de Docencia Universitaria, pp. 213–216 Abbreviated Journal
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Address Valencia
Corporate Author Thesis
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Notes OR;DAG;CIC;MV Approved no
Call Number (up) BCNPCL @ bcnpcl @ BVG2008 Serial 1031
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Author X. Binefa; Jordi Vitria; Maria Vanrell
Title Reconstruccion tridimensional de imagenes Microscopicas. Type Miscellaneous
Year 1992 Publication V Simposium Nacional de Reconocimiento de Formas y Analisis de Imagenes Abbreviated Journal
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Notes OR;CIC;MV Approved no
Call Number (up) BCNPCL @ bcnpcl @ BVV1992b Serial 255
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Author Miquel Ferrer; Robert Benavente; Ernest Valveny; J. Garcia; Agata Lapedriza; Gemma Sanchez
Title Aprendizaje Cooperativo Aplicado a la Docencia de las Asignaturas de Programacion en Ingenieria Informatica Type Miscellaneous
Year 2008 Publication Octava Jornada sobre Aprendizaje Cooperativo, 41–46 Abbreviated Journal
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Address Lleida (Spain).
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Notes OR;DAG;CIC;MV Approved no
Call Number (up) BCNPCL @ bcnpcl @ FBV2008 Serial 955
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Author Agata Lapedriza; Jaume Garcia; Ernest Valveny; Robert Benavente; Miquel Ferrer; Gemma Sanchez
Title Una experiencia de aprenentatge basada en projectes en el ambit de la informatica Type Miscellaneous
Year 2008 Publication V Jornades d’Innovacio Docent (UAB) Abbreviated Journal
Volume Issue Pages 63
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Address Bellaterra (Spain)
Corporate Author Thesis
Publisher Place of Publication Editor
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Area Expedition Conference
Notes OR; IAM; DAG; CIC; MV Approved no
Call Number (up) BCNPCL @ bcnpcl @ LGV2008 Serial 1030
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Author Xavier Otazu; Oriol Pujol
Title Wavelet based approach to cluster analysis. Application on low dimensional data sets Type Journal Article
Year 2006 Publication Pattern Recognition Letters Abbreviated Journal PRL
Volume 27 Issue 14 Pages 1590–1605
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Notes MILAB; CIC; HuPBA Approved no
Call Number (up) BCNPCL @ bcnpcl @ OtP2006 Serial 658
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Author A. Pujol; Jordi Vitria; Petia Radeva; Xavier Binefa; Robert Benavente; Ernest Valveny; Craig Von Land
Title Real time pharmaceutical product recognition using color and shape indexing. Type Conference Article
Year 1999 Publication Proceedings of the 2nd International Workshop on European Scientific and Industrial Collaboration (WESIC´99), Promotoring Advanced Technologies in Manufacturing. Abbreviated Journal
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Address Wales
Corporate Author Thesis
Publisher Place of Publication Editor
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Area Expedition Conference
Notes OR;MILAB;DAG;CIC;MV Approved no
Call Number (up) BCNPCL @ bcnpcl @ PVR1999 Serial 24
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Author Xavier Roca; Jordi Vitria; Maria Vanrell; Juan J. Villanueva
Title Visual behaviours for binocular navigation with autonomous systems. Type Miscellaneous
Year 1999 Publication Proceedings of the VIII Symposium Nacional de Reconocimiento de Formas y Analisis de Imagenes Abbreviated Journal
Volume Issue Pages
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Address Bilbao
Corporate Author Thesis
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Notes OR;ISE;CIC;MV Approved no
Call Number (up) BCNPCL @ bcnpcl @ RVV1999a Serial 13
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Author Xavier Roca; Jordi Vitria; Maria Vanrell; Juan J. Villanueva
Title Gaze control in a binocular robot systems Type Miscellaneous
Year 1999 Publication Abbreviated Journal
Volume Issue Pages
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Address Barcelona
Corporate Author Thesis
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Notes OR;ISE;CIC;MV Approved no
Call Number (up) BCNPCL @ bcnpcl @ RVV1999b Serial 41
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Author Xavier Roca; Jordi Vitria; Maria Vanrell; Juan J. Villanueva
Title Visual behaviours for binocular navigation with autonomous systems. Type Miscellaneous
Year 2000 Publication Pattern Recognition and Applications, IOS Press, 134–143. Abbreviated Journal
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Notes OR;ISE;CIC;MV Approved no
Call Number (up) BCNPCL @ bcnpcl @ RVV2000 Serial 245
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Author Ricardo Toledo; Ramon Baldrich; Ernest Valveny; Petia Radeva
Title Enhancing snakes for vessel detection in angiography images. Type Miscellaneous
Year 2002 Publication Proceedings of the Second IASTED International Conference Visualization, Imaging and Image Proceesing VIIP 2002: 139–144. Abbreviated Journal
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Notes MILAB;DAG;CIC;ADAS Approved no
Call Number (up) BCNPCL @ bcnpcl @ TBV2002 Serial 300
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Author Maria Vanrell; Jordi Vitria
Title Mathematical Morphology, Granulometries and Texture Perception. Type Miscellaneous
Year 1993 Publication SPIE International Symposium on Optical Instrumentation and Applied Science (Conference on image Algebra and Morphological image Processing IV). Abbreviated Journal
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Address San Diego; CA; USA
Corporate Author Thesis
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Notes OR;CIC;MV Approved no
Call Number (up) BCNPCL @ bcnpcl @ VaV1993 Serial 178
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Author Maria Vanrell; Jordi Vitria
Title Optimal 3x3 decomposable disks for morphological transformations Type Journal
Year 1997 Publication Image and Vision Computing, 15(2): 845–854 Abbreviated Journal
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Notes OR;CIC;MV Approved no
Call Number (up) BCNPCL @ bcnpcl @ VaV1997c Serial 543
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Author Jordi Vitria; Petia Radeva; X. Binefa; A. Pujol; Ernest Valveny; Robert Benavente; Craig Von Land
Title Real time recognition of pharmaceutical products by subspace methods Type Report
Year 1999 Publication CVC Technical Report #35 Abbreviated Journal
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Address CVC (UAB)
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Area Expedition Conference
Notes OR;MILAB;DAG;CIC;MV Approved no
Call Number (up) BCNPCL @ bcnpcl @ VRB1999b Serial 54
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Author Maria Vanrell; Jordi Vitria; Xavier Roca
Title A General Morphological Framework for Perceptual Texture Discrimination based on Granulometries. Type Miscellaneous
Year 1993 Publication Technical Workshop on Mathematical Morphology and its Applications to Signal Processing. Abbreviated Journal
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Address Barcelona
Corporate Author Thesis
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Notes OR;ISE;CIC;MV Approved no
Call Number (up) BCNPCL @ bcnpcl @ VVR1993 Serial 154
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