| Records |
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| Author |
Ramon Baldrich; Maria Vanrell; Robert Benavente; Anna Salvatella |
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| Title |
Color Enhancement based on perceptual sharpening |
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Miscellaneous |
| Year |
2003 |
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Proceedings of the IEEE International Conference on Image Processing |
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Barcelona |
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CAT @ cat @ BVB2003 |
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370 |
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| Author |
Ramon Baldrich; Ricardo Toledo; Ernest Valveny; Maria Vanrell |
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| Title |
Perceptual Colour Image Segmentation. |
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Miscellaneous |
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2002 |
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Proceeding of the Second IASTED International Conference Visualization, Imaging and Image Proceesing VIIP 2002: 145–150. |
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DAG;CIC;ADAS |
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CAT @ cat @ BTV2002 |
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290 |
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| Author |
Agnes Borras; Francesc Tous; Josep Llados; Maria Vanrell |
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| Title |
High-Level Clothes Description Based on Colour-Texture and Structural Features |
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Conference Article |
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2003 |
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1rst. Iberian Conference on Pattern Recognition and Image Analysis IbPRIA 2003 |
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Palma de Mallorca |
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DAG;CIC |
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CAT @ cat @ BTL2003b |
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369 |
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| Author |
Agnes Borras; Francesc Tous; Josep Llados; Maria Vanrell |
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| Title |
High-Level Clothes Description Based on Color-Texture and Structural Features |
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Book Chapter |
| Year |
2003 |
Publication |
Lecture Notes in Computer Science |
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| Volume |
2652 |
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108–116 |
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| Abstract |
This work is a part of a surveillance system where content- based image retrieval is done in terms of people appearance. Given an image of a person, our work provides an automatic description of his clothing according to the colour, texture and structural composition of its garments. We present a two-stage process composed by image segmentation and a region-based interpretation. We segment an image by modelling it due to an attributed graph and applying a hybrid method that follows a split-and-merge strategy. We propose the interpretation of five cloth combinations that are modelled in a graph structure in terms of region features. The interpretation is viewed as a graph matching with an associated cost between the segmentation and the cloth models. Fi- nally, we have tested the process with a ground-truth of one hundred images. |
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Springer-Verlag |
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DAG;CIC |
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CAT @ cat @ BTL2003a |
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368 |
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| Author |
Robert Benavente; Francesc Tous; Ramon Baldrich; Maria Vanrell |
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| Title |
Statical Modelling of a Colour Naming Space. |
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Miscellaneous |
| Year |
2002 |
Publication |
Proceedings of the 1st. European Conference on Colour in Graphics Imaging and Vision: 406–411. |
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CIC |
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CAT @ cat @ BTB2002 |
Serial |
289 |
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| Author |
Robert Benavente; Gemma Sanchez; Ramon Baldrich; Maria Vanrell; Josep Llados |
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| Title |
Normalized colour segmentation for human appearance description. |
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Miscellaneous |
| Year |
2000 |
Publication |
15 th International Conference on Pattern Recognition, 3:637–641. |
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Barcelona. |
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DAG;CIC |
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CAT @ cat @ BSB2000 |
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223 |
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| Author |
Robert Benavente; C. Alejandro Parraga; Maria Vanrell |
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| Title |
La influencia del contexto en la definicion de las fronteras entre las categorias cromaticas |
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Conference Article |
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2010 |
Publication |
9th Congreso Nacional del Color |
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92–95 |
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Categorización del color; Apariencia del color; Influencia del contexto; Patrones de Mondrian; Modelos paramétricos |
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En este artículo presentamos los resultados de un experimento de categorización de color en el que las muestras se presentaron sobre un fondo multicolor (Mondrian) para simular los efectos del contexto. Los resultados se comparan con los de un experimento previo que, utilizando un paradigma diferente, determinó las fronteras sin tener en cuenta el contexto. El análisis de los resultados muestra que las fronteras obtenidas con el experimento en contexto presentan menos confusión que las obtenidas en el experimento sin contexto. |
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Alicante (Spain) |
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978-84-9717-144-1 |
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CNC |
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CIC |
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CAT @ cat @ BPV2010 |
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1327 |
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| Author |
Robert Benavente; C. Alejandro Parraga; Maria Vanrell |
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| Title |
Colour categories boundaries are better defined in contextual conditions |
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Journal Article |
| Year |
2009 |
Publication |
Perception |
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PER |
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38 |
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36 |
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In a previous experiment [Parraga et al, 2009 Journal of Imaging Science and Technology 53(3)] the boundaries between basic colour categories were measured by asking subjects to categorize colour samples presented in isolation (ie on a dark background) using a YES/NO paradigm. Results showed that some boundaries (eg green – blue) were very diffuse and the subjects' answers presented bimodal distributions, which were attributed to the emergence of non-basic categories in those regions (eg turquoise). To confirm these results we performed a new experiment focussed on the boundaries where bimodal distributions were more evident. In this new experiment rectangular colour samples were presented surrounded by random colour patches to simulate contextual conditions on a calibrated CRT monitor. The names of two neighbouring colours were shown at the bottom of the screen and subjects selected the boundary between these colours by controlling the chromaticity of the central patch, sliding it across these categories' frontier. Results show that in this new experimental paradigm, the formerly uncertain inter-colour category boundaries are better defined and the dispersions (ie the bimodal distributions) that occurred in the previous experiment disappear. These results may provide further support to Berlin and Kay's basic colour terms theory. |
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CIC |
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CAT @ cat @ BPV2009 |
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1192 |
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| Author |
Robert Benavente; M.C. Olive; Maria Vanrell; Ramon Baldrich |
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| Title |
Colour Perception: A Simple Method for Colour Naming. |
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1999 |
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Girona |
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CIC |
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CAT @ cat @ BOV1999 |
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47 |
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Robert Benavente; Maria Vanrell |
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Parametrizacion del Espacio de Categorias de Color |
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2007 |
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Proceedings del VIII Congreso Nacional del Color |
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77–78 |
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Madrid (Spain) |
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CNC’07 |
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CAT;CIC |
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CAT @ cat @ BeV2007 |
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905 |
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| Author |
Robert Benavente; Maria Vanrell |
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Fuzzy Colour Naming Based on Sigmoid Membership Functions. |
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Miscellaneous |
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2004 |
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CGIV 2004 Second European Conference on Colour in Graphics, Imaging and Vision, 135:139 |
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Aachen (Germany) |
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CAT @ cat @ BeV2004 |
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441 |
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Robert Benavente; Maria Vanrell |
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A colour naming experiment |
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Report |
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2001 |
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CVC Technical Report #56 |
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CVC (UAB) |
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CAT @ cat @ BeV2001 |
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78 |
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Robert Benavente; Ramon Baldrich; M.C. Olive; Maria Vanrell |
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| Title |
Colour Naming Considering the Colour Variability Problem. |
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2000 |
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Computacion y Sistemas, 4(1):30–43. |
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CAT @ cat @ BBO2000 |
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242 |
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Susana Alvarez; Anna Salvatella; Maria Vanrell; Xavier Otazu |
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Perceptual color texture codebooks for retrieving in highly diverse texture datasets |
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Conference Article |
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2010 |
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20th International Conference on Pattern Recognition |
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866–869 |
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Color and texture are visual cues of different nature, their integration in a useful visual descriptor is not an obvious step. One way to combine both features is to compute texture descriptors independently on each color channel. A second way is integrate the features at a descriptor level, in this case arises the problem of normalizing both cues. A significant progress in the last years in object recognition has provided the bag-of-words framework that again deals with the problem of feature combination through the definition of vocabularies of visual words. Inspired in this framework, here we present perceptual textons that will allow to fuse color and texture at the level of p-blobs, which is our feature detection step. Feature representation is based on two uniform spaces representing the attributes of the p-blobs. The low-dimensionality of these text on spaces will allow to bypass the usual problems of previous approaches. Firstly, no need for normalization between cues; and secondly, vocabularies are directly obtained from the perceptual properties of text on spaces without any learning step. Our proposal improve current state-of-art of color-texture descriptors in an image retrieval experiment over a highly diverse texture dataset from Corel. |
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Istanbul (Turkey) |
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1051-4651 |
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978-1-4244-7542-1 |
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ICPR |
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CAT @ cat @ ASV2010b |
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1426 |
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