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Author | Partha Pratim Roy; Eduard Vazquez; Josep Llados; Ramon Baldrich; Umapada Pal |
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Title | A System to Retrieve Text/Symbols from Color Maps using Connected Component and Skeleton Analysis | Type | Conference Article | |||
Year | 2007 | Publication | Seventh IAPR International Workshop on Graphics Recognition | Abbreviated Journal | ||
Volume | Issue | Pages | 79–78 | |||
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Address | Curitiba (Brasil) | |||||
Corporate Author | Thesis | |||||
Publisher | Place of Publication | Editor | J. Llados, W. Liu, J.M. Ogier | |||
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ISSN | ISBN | Medium | ||||
Area | Expedition | Conference | GREC | |||
Notes | CAT; DAG;CIC | Approved | no | |||
Call Number | CAT @ cat @ RVL2007 | Serial | 836 | |||
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Author | Jose Manuel Alvarez; Antonio Lopez; Ramon Baldrich |
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Title | Shadow Resistant Road Segmentation from a Mobile Monocular System | Type | Conference Article | |||
Year | 2007 | Publication | 3rd Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2007), J. Marti et al. (Eds.) LNCS 4477:9–16 | Abbreviated Journal | ||
Volume | Issue | Pages | ||||
Keywords | road detection | |||||
Abstract | ||||||
Address | Gerona (Spain) | |||||
Corporate Author | Thesis | |||||
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Area | Expedition | Conference | ||||
Notes | ADAS;CIC | Approved | no | |||
Call Number | ADAS @ adas @ ALB2007 | Serial | 943 | |||
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Author | Eduard Vazquez; Ramon Baldrich |
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Title | Colour Image Segmentation in Presence of Shadows | Type | Conference Article | |||
Year | 2008 | Publication | 4th European Conference on Colour in Graphics, Imaging and Vision Proceedings | Abbreviated Journal | ||
Volume | Issue | Pages | 383–387 | |||
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Address | Terrassa (Spain) | |||||
Corporate Author | Thesis | |||||
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Language | Summary Language | Original Title | ||||
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ISSN | ISBN | Medium | ||||
Area | Expedition | Conference | CGIV08 | |||
Notes | CAT;CIC | Approved | no | |||
Call Number | CAT @ cat @ VaB2008 | Serial | 966 | |||
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Author | Javier Vazquez; Maria Vanrell; Ramon Baldrich |
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Title | Towards a Psychophysical Evaluation of Colour Constancy Algorithms | Type | Conference Article | |||
Year | 2008 | Publication | 4th European Conference on Colour in Graphics, Imaging and Vision Proceedings | Abbreviated Journal | ||
Volume | Issue | Pages | 372–377 | |||
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Address | Terrassa (Spain) | |||||
Corporate Author | Thesis | |||||
Publisher | Place of Publication | Editor | ||||
Language | Summary Language | Original Title | ||||
Series Editor | Series Title | Abbreviated Series Title | ||||
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ISSN | ISBN | Medium | ||||
Area | Expedition | Conference | CGIV08 | |||
Notes | CAT;CIC | Approved | no | |||
Call Number | CAT @ cat @ VVB2008a | Serial | 968 | |||
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Author | C. Alejandro Parraga; Robert Benavente; Maria Vanrell; Ramon Baldrich |
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Title | Modelling Inter-Colour Regions of Colour Naming Space | Type | Conference Article | |||
Year | 2008 | Publication | 4th European Conference on Colour in Graphics, Imaging and Vision Proceedings | Abbreviated Journal | ||
Volume | Issue | Pages | 218–222 | |||
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Abstract | ||||||
Address | Terrassa (Spain) | |||||
Corporate Author | Thesis | |||||
Publisher | Place of Publication | Editor | ||||
Language | Summary Language | Original Title | ||||
Series Editor | Series Title | Abbreviated Series Title | ||||
Series Volume | Series Issue | Edition | ||||
ISSN | ISBN | Medium | ||||
Area | Expedition | Conference | CGIV08 | |||
Notes | CAT;CIC | Approved | no | |||
Call Number | CAT @ cat @ PBV2008 | Serial | 969 | |||
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Author | Eduard Vazquez; Joost Van de Weijer; Ramon Baldrich |
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Title | Image Segmentation in the Presence of Shadows and Highligts | Type | Conference Article | |||
Year | 2008 | Publication | 10th European Conference on Computer Vision | Abbreviated Journal | ||
Volume | 5305 | Issue | Pages | 1–14 | ||
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Address | Marseille (France) | |||||
Corporate Author | Thesis | |||||
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Language | Summary Language | Original Title | ||||
Series Editor | Series Title | Abbreviated Series Title | LNCS | |||
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ISSN | ISBN | Medium | ||||
Area | Expedition | Conference | ECCV | |||
Notes | CAT;CIC | Approved | no | |||
Call Number | CAT @ cat @ VVB2008b | Serial | 1013 | |||
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Author | Jose Manuel Alvarez; Antonio Lopez; Ramon Baldrich |
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Title | Illuminant Invariant Model-Based Road Segmentation | Type | Conference Article | |||
Year | 2008 | Publication | IEEE Intelligent Vehicles Symposium, | Abbreviated Journal | ||
Volume | Issue | Pages | 1155–1180 | |||
Keywords | road detection | |||||
Abstract | ||||||
Address | Eindhoven (The Netherlands) | |||||
Corporate Author | Thesis | |||||
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Area | Expedition | Conference | ||||
Notes | ADAS;CIC | Approved | no | |||
Call Number | ADAS @ adas @ ALB2008 | Serial | 1045 | |||
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Author | Antonio Lopez; J. Hilgenstock; A. Busse; Ramon Baldrich; Felipe Lumbreras; Joan Serrat |
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Title | Nightime Vehicle Detecion for Intelligent Headlight Control | Type | Conference Article | |||
Year | 2008 | Publication | Advanced Concepts for Intelligent Vision Systems, 10th International Conference, Proceedings, | Abbreviated Journal | ||
Volume | 5259 | Issue | Pages | 113–124 | ||
Keywords | Intelligent Headlights; vehicle detection | |||||
Abstract | ||||||
Address | Juan-les-Pins, France | |||||
Corporate Author | Thesis | |||||
Publisher | Place of Publication | Editor | ||||
Language | Summary Language | Original Title | ||||
Series Editor | Series Title | Abbreviated Series Title | LNCS | |||
Series Volume | Series Issue | Edition | ||||
ISSN | ISBN | Medium | ||||
Area | Expedition | Conference | ACIVS | |||
Notes | ADAS;CIC | Approved | no | |||
Call Number | ADAS @ adas @ LHB2008a | Serial | 1098 | |||
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Author | Fahad Shahbaz Khan; Joost Van de Weijer; Maria Vanrell |
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Title | Top-Down Color Attention for Object Recognition | Type | Conference Article | |||
Year | 2009 | Publication | 12th International Conference on Computer Vision | Abbreviated Journal | ||
Volume | Issue | Pages | 979 - 986 | |||
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Abstract | Generally the bag-of-words based image representation follows a bottom-up paradigm. The subsequent stages of the process: feature detection, feature description, vocabulary construction and image representation are performed independent of the intentioned object classes to be detected. In such a framework, combining multiple cues such as shape and color often provides below-expected results. This paper presents a novel method for recognizing object categories when using multiple cues by separating the shape and color cue. Color is used to guide attention by means of a top-down category-specific attention map. The color attention map is then further deployed to modulate the shape features by taking more features from regions within an image that are likely to contain an object instance. This procedure leads to a category-specific image histogram representation for each category. Furthermore, we argue that the method combines the advantages of both early and late fusion. We compare our approach with existing methods that combine color and shape cues on three data sets containing varied importance of both cues, namely, Soccer ( color predominance), Flower (color and shape parity), and PASCAL VOC Challenge 2007 (shape predominance). The experiments clearly demonstrate that in all three data sets our proposed framework significantly outperforms the state-of-the-art methods for combining color and shape information. | |||||
Address | Kyoto, Japan | |||||
Corporate Author | Thesis | |||||
Publisher | Place of Publication | Editor | ||||
Language | Summary Language | Original Title | ||||
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Series Volume | Series Issue | Edition | ||||
ISSN | 1550-5499 | ISBN | 978-1-4244-4420-5 | Medium | ||
Area | Expedition | Conference | ICCV | |||
Notes | CIC | Approved | no | |||
Call Number | CAT @ cat @ SWV2009 | Serial | 1196 | |||
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Author | Josep M. Gonfaus; Xavier Boix; Joost Van de Weijer; Andrew Bagdanov; Joan Serrat; Jordi Gonzalez |
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Title | Harmony Potentials for Joint Classification and Segmentation | Type | Conference Article | |||
Year | 2010 | Publication | 23rd IEEE Conference on Computer Vision and Pattern Recognition | Abbreviated Journal | ||
Volume | Issue | Pages | 3280–3287 | |||
Keywords | ||||||
Abstract | Hierarchical conditional random fields have been successfully applied to object segmentation. One reason is their ability to incorporate contextual information at different scales. However, these models do not allow multiple labels to be assigned to a single node. At higher scales in the image, this yields an oversimplified model, since multiple classes can be reasonable expected to appear within one region. This simplified model especially limits the impact that observations at larger scales may have on the CRF model. Neglecting the information at larger scales is undesirable since class-label estimates based on these scales are more reliable than at smaller, noisier scales. To address this problem, we propose a new potential, called harmony potential, which can encode any possible combination of class labels. We propose an effective sampling strategy that renders tractable the underlying optimization problem. Results show that our approach obtains state-of-the-art results on two challenging datasets: Pascal VOC 2009 and MSRC-21. | |||||
Address | San Francisco CA, USA | |||||
Corporate Author | Thesis | |||||
Publisher | Place of Publication | Editor | ||||
Language | Summary Language | Original Title | ||||
Series Editor | Series Title | Abbreviated Series Title | ||||
Series Volume | Series Issue | Edition | ||||
ISSN | 1063-6919 | ISBN | 978-1-4244-6984-0 | Medium | ||
Area | Expedition | Conference | CVPR | |||
Notes | ADAS;CIC;ISE | Approved | no | |||
Call Number | ADAS @ adas @ GBW2010 | Serial | 1296 | |||
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Author | Naila Murray; Eduard Vazquez |
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Title | Lacuna Restoration: How to choose a neutral colour? | Type | Conference Article | |||
Year | 2010 | Publication | Proceedings of The CREATE 2010 Conference | Abbreviated Journal | ||
Volume | Issue | Pages | 248–252 | |||
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Abstract | Painting restoration which involves filling in material loss (called lacuna) is a complex process. Several standard techniques exist to tackle lacuna restoration,
and this article focuses on those techniques that employ a “neutral” colour to mask the defect. Restoration experts often disagree on the choice of such a colour and in fact, the concept of a neutral colour is controversial. We posit that a neutral colour is one that attracts relatively little visual attention for a specific lacuna. We conducted an eye tracking experiment to compare two common neutral colour selection methods, specifically the most common local colour and the mean local colour. Results obtained demonstrate that the most common local colour triggers less visual attention in general. Notwithstanding, we have observed instances in which the most common colour triggers a significant amount of attention when subjects spent time resolving their confusion about whether or not a lacuna was part of the painting. |
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Address | Gjovik, Norway | |||||
Corporate Author | Thesis | |||||
Publisher | Place of Publication | Editor | ||||
Language | Summary Language | Original Title | ||||
Series Editor | Series Title | Abbreviated Series Title | ||||
Series Volume | Series Issue | Edition | ||||
ISSN | ISBN | Medium | ||||
Area | Expedition | Conference | CREATE | |||
Notes | CIC | Approved | no | |||
Call Number | Admin @ si @ MuV2010 | Serial | 1297 | |||
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Author | Eduard Vazquez; Ramon Baldrich |
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Title | Non-supervised goodness measure for image segmentation | Type | Conference Article | |||
Year | 2010 | Publication | Proceedings of The CREATE 2010 Conference | Abbreviated Journal | ||
Volume | Issue | Pages | 334–335 | |||
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Abstract | ||||||
Address | Gjovik, Norway | |||||
Corporate Author | Thesis | |||||
Publisher | Place of Publication | Editor | ||||
Language | Summary Language | Original Title | ||||
Series Editor | Series Title | Abbreviated Series Title | ||||
Series Volume | Series Issue | Edition | ||||
ISSN | ISBN | Medium | ||||
Area | Expedition | Conference | CREATE | |||
Notes | CIC | Approved | no | |||
Call Number | CAT @ cat @ VaB2010 | Serial | 1299 | |||
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Author | Jaime Moreno; Xavier Otazu; Maria Vanrell |
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Title | Local Perceptual Weighting in JPEG2000 for Color Images | Type | Conference Article | |||
Year | 2010 | Publication | 5th European Conference on Colour in Graphics, Imaging and Vision and 12th International Symposium on Multispectral Colour Science | Abbreviated Journal | ||
Volume | Issue | Pages | 255–260 | |||
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Abstract | The aim of this work is to explain how to apply perceptual concepts to define a perceptual pre-quantizer and to improve JPEG2000 compressor. The approach consists in quantizing wavelet transform coefficients using some of the human visual system behavior properties. Noise is fatal to image compression performance, because it can be both annoying for the observer and consumes excessive bandwidth when the imagery is transmitted. Perceptual pre-quantization reduces unperceivable details and thus improve both visual impression and transmission properties. The comparison between JPEG2000 without and with perceptual pre-quantization shows that the latter is not favorable in PSNR, but the recovered image is more compressed at the same or even better visual quality measured with a weighted PSNR. Perceptual criteria were taken from the CIWaM (Chromatic Induction Wavelet Model). | |||||
Address | Joensuu, Finland | |||||
Corporate Author | Thesis | |||||
Publisher | Place of Publication | Editor | ||||
Language | Summary Language | Original Title | ||||
Series Editor | Series Title | Abbreviated Series Title | ||||
Series Volume | Series Issue | Edition | ||||
ISSN | ISBN | 9781617388897 | Medium | |||
Area | Expedition | Conference | CGIV/MCS | |||
Notes | CIC | Approved | no | |||
Call Number | CAT @ cat @ MOV2010a | Serial | 1307 | |||
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Author | Jaime Moreno; Xavier Otazu; Maria Vanrell |
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Title | Contribution of CIWaM in JPEG2000 Quantization for Color Images | Type | Conference Article | |||
Year | 2010 | Publication | Proceedings of The CREATE 2010 Conference | Abbreviated Journal | ||
Volume | Issue | Pages | 132–136 | |||
Keywords | ||||||
Abstract | The aim of this work is to explain how to apply perceptual concepts to define a perceptual pre-quantizer and to improve JPEG2000 compressor. The approach consists in quantizing wavelet transform coefficients using some of the human visual system behavior properties. Noise is fatal to image compression performance, because it can be both annoying for the observer and consumes excessive bandwidth when the imagery is transmitted. Perceptual pre-quantization reduces unperceivable details and thus improve both visual impression and transmission properties. The comparison between JPEG2000 without and with perceptual pre-quantization shows that the latter is not favorable in PSNR, but the recovered image is more compressed at the same or even better visual quality measured with a weighted PSNR. Perceptual criteria were taken from the CIWaM(ChromaticInductionWaveletModel). | |||||
Address | Gjovik (Norway) | |||||
Corporate Author | Thesis | |||||
Publisher | Place of Publication | Editor | ||||
Language | Summary Language | Original Title | ||||
Series Editor | Series Title | Abbreviated Series Title | ||||
Series Volume | Series Issue | Edition | ||||
ISSN | ISBN | Medium | ||||
Area | Expedition | Conference | CREATE | |||
Notes | CIC | Approved | no | |||
Call Number | CAT @ cat @ MOV2010b | Serial | 1308 | |||
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Author | C. Alejandro Parraga; Ramon Baldrich; Maria Vanrell |
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Title | Accurate Mapping of Natural Scenes Radiance to Cone Activation Space: A New Image Dataset | Type | Conference Article | |||
Year | 2010 | Publication | 5th European Conference on Colour in Graphics, Imaging and Vision and 12th International Symposium on Multispectral Colour Science | Abbreviated Journal | ||
Volume | Issue | Pages | 50–57 | |||
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Abstract | The characterization of trichromatic cameras is usually done in terms of a device-independent color space, such as the CIE 1931 XYZ space. This is indeed convenient since it allows the testing of results against colorimetric measures. We have characterized our camera to represent human cone activation by mapping the camera sensor's (RGB) responses to human (LMS) through a polynomial transformation, which can be “customized” according to the types of scenes we want to represent. Here we present a method to test the accuracy of the camera measures and a study on how the choice of training reflectances for the polynomial may alter the results. | |||||
Address | Joensuu, Finland | |||||
Corporate Author | Thesis | |||||
Publisher | Place of Publication | Editor | ||||
Language | Summary Language | Original Title | ||||
Series Editor | Series Title | Abbreviated Series Title | ||||
Series Volume | Series Issue | Edition | ||||
ISSN | ISBN | 9781617388897 | Medium | |||
Area | Expedition | Conference | CGIV/MCS | |||
Notes | CIC | Approved | no | |||
Call Number | CAT @ cat @ PBV2010a | Serial | 1322 | |||
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Author | Javier Vazquez; G. D. Finlayson; Maria Vanrell |
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Title | A compact singularity function to predict WCS data and unique hues | Type | Conference Article | |||
Year | 2010 | Publication | 5th European Conference on Colour in Graphics, Imaging and Vision and 12th International Symposium on Multispectral Colour Science | Abbreviated Journal | ||
Volume | Issue | Pages | 33–38 | |||
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Abstract | Understanding how colour is used by the human vision system is a widely studied research field. The field, though quite advanced, still faces important unanswered questions. One of them is the explanation of the unique hues and the assignment of color names. This problem addresses the fact of different perceptual status for different colors.
Recently, Philipona and O'Regan have proposed a biological model that allows to extract the reflection properties of any surface independently of the lighting conditions. These invariant properties are the basis to compute a singularity index that predicts the asymmetries presented in unique hues and basic color categories psychophysical data, therefore is giving a further step in their explanation. In this paper we build on their formulation and propose a new singularity index. This new formulation equally accounts for the location of the 4 peaks of the World colour survey and has two main advantages. First, it is a simple elegant numerical measure (the Philipona measurement is a rather cumbersome formula). Second, we develop a colour-based explanation for the measure. |
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Address | Joensuu, Finland | |||||
Corporate Author | Thesis | |||||
Publisher | Place of Publication | Editor | ||||
Language | Summary Language | Original Title | ||||
Series Editor | Series Title | Abbreviated Series Title | ||||
Series Volume | Series Issue | Edition | ||||
ISSN | ISBN | 9781617388897 | Medium | |||
Area | Expedition | Conference | CGIV/MCS | |||
Notes | CIC | Approved | no | |||
Call Number | CAT @ cat @ VFV2010 | Serial | 1324 | |||
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Author | Susana Alvarez; Anna Salvatella; Maria Vanrell; Xavier Otazu |
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Title | 3D Texton Spaces for color-texture retrieval | Type | Conference Article | |||
Year | 2010 | Publication | 7th International Conference on Image Analysis and Recognition | Abbreviated Journal | ||
Volume | 6111 | Issue | Pages | 354–363 | ||
Keywords | ||||||
Abstract | Color and texture are visual cues of different nature, their integration in an useful visual descriptor is not an easy problem. One way to combine both features is to compute spatial texture descriptors independently on each color channel. Another way is to do the integration at the descriptor level. In this case the problem of normalizing both cues arises. In this paper we solve the latest problem by fusing color and texture through distances in texton spaces. Textons are the attributes of image blobs and they are responsible for texture discrimination as defined in Julesz’s Texton theory. We describe them in two low-dimensional and uniform spaces, namely, shape and color. The dissimilarity between color texture images is computed by combining the distances in these two spaces. Following this approach, we propose our TCD descriptor which outperforms current state of art methods in the two different approaches mentioned above, early combination with LBP and late combination with MPEG-7. This is done on an image retrieval experiment over a highly diverse texture dataset from Corel. | |||||
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Publisher | Springer Berlin Heidelberg | Place of Publication | Editor | A.C. Campilho and M.S. Kamel | ||
Language | Summary Language | Original Title | ||||
Series Editor | Series Title | Abbreviated Series Title | LNCS | |||
Series Volume | Series Issue | Edition | ||||
ISSN | 0302-9743 | ISBN | 978-3-642-13771-6 | Medium | ||
Area | Expedition | Conference | ICIAR | |||
Notes | CIC | Approved | no | |||
Call Number | CAT @ cat @ ASV2010a | Serial | 1325 | |||
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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 | Type | Conference Article | |||
Year | 2010 | Publication | 9th Congreso Nacional del Color | Abbreviated Journal | ||
Volume | Issue | Pages | 92–95 | |||
Keywords | Categorización del color; Apariencia del color; Influencia del contexto; Patrones de Mondrian; Modelos paramétricos | |||||
Abstract | 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. | |||||
Address | Alicante (Spain) | |||||
Corporate Author | Thesis | |||||
Publisher | Place of Publication | Editor | ||||
Language | Summary Language | Original Title | ||||
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Series Volume | Series Issue | Edition | ||||
ISSN | ISBN | 978-84-9717-144-1 | Medium | |||
Area | Expedition | Conference | CNC | |||
Notes | CIC | Approved | no | |||
Call Number | CAT @ cat @ BPV2010 | Serial | 1327 | |||
Permanent link to this record |