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Author Xavier Otazu; Maria Vanrell; C. Alejandro Parraga edit  openurl
  Title Multiresolution Wavelet Framework Models Brightness Induction Effects Type Journal
  Year 2008 Publication Vision Research Abbreviated Journal VR  
  Volume 48 Issue 5 Pages 733–751  
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  Notes CIC Approved no  
  Call Number (down) CAT @ cat @ OVP2008a Serial 927  
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Author Xavier Otazu; Maria Vanrell; C. Alejandro Parraga edit  openurl
  Title Mutiresolution Wavelet Framework Reproduces Induction Effects Type Journal
  Year 2007 Publication Perception 36:167–167, supp Abbreviated Journal  
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  Notes CIC Approved no  
  Call Number (down) CAT @ cat @ OVP2007 Serial 842  
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Author Xavier Otazu; Maria Vanrell edit  openurl
  Title Several lightness induction effects with a computational multiresolution wavelet framework Type Journal
  Year 2006 Publication 29th European Conference on Visual Perception (ECVP’06), Perception Suppl s, 32: 56–56 Abbreviated Journal  
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  Address Saint-Petersburg (Russia)  
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  Notes CIC Approved no  
  Call Number (down) CAT @ cat @ OtV2006 Serial 659  
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Author Xavier Otazu; Maria Vanrell edit  openurl
  Title Perceptual representation of textured images Type Journal
  Year 2005 Publication Journal of Imaging Science and Technology, 49(3):262–271 (IF: 0.522) Abbreviated Journal  
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  Notes CIC Approved no  
  Call Number (down) CAT @ cat @ OtV2005b Serial 542  
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Author Xavier Otazu; Maria Vanrell edit  openurl
  Title A surround-induction function to unify assimilation and contrast in a computational model of color apearance Type Miscellaneous
  Year 2005 Publication Perception supplement, ECVP05 Abstracts, 34: 215 Abbreviated Journal  
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  Notes CIC Approved no  
  Call Number (down) CAT @ cat @ OtV2005a Serial 568  
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Author Xavier Otazu; Maria Vanrell edit  openurl
  Title Building Perceived Colour Images. Type Miscellaneous
  Year 2004 Publication CGIV 2004 Second European Conference on Colour in Graphics, Imaging, and Vision, 140:145 Abbreviated Journal  
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  Address Aachen (Germany)  
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  Notes CIC Approved no  
  Call Number (down) CAT @ cat @ OtV2004 Serial 450  
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Author Xavier Otazu; C. Alejandro Parraga; Maria Vanrell edit  url
doi  openurl
  Title Towards a unified chromatic inducction model Type Journal Article
  Year 2010 Publication Journal of Vision Abbreviated Journal VSS  
  Volume 10 Issue 12:5 Pages 1-24  
  Keywords Visual system; Color induction; Wavelet transform  
  Abstract In a previous work (X. Otazu, M. Vanrell, & C. A. Párraga, 2008b), we showed how several brightness induction effects can be predicted using a simple multiresolution wavelet model (BIWaM). Here we present a new model for chromatic induction processes (termed Chromatic Induction Wavelet Model or CIWaM), which is also implemented on a multiresolution framework and based on similar assumptions related to the spatial frequency and the contrast surround energy of the stimulus. The CIWaM can be interpreted as a very simple extension of the BIWaM to the chromatic channels, which in our case are defined in the MacLeod-Boynton (lsY) color space. This new model allows us to unify both chromatic assimilation and chromatic contrast effects in a single mathematical formulation. The predictions of the CIWaM were tested by means of several color and brightness induction experiments, which showed an acceptable agreement between model predictions and psychophysical data.  
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  Notes CIC Approved no  
  Call Number (down) CAT @ cat @ OPV2010 Serial 1450  
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Author Jaime Moreno; Xavier Otazu; Maria Vanrell edit  openurl
  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  
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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(ChromaticInductionWaveletModel).  
  Address Gjovik (Norway)  
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  Area Expedition Conference CREATE  
  Notes CIC Approved no  
  Call Number (down) CAT @ cat @ MOV2010b Serial 1308  
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Author Jaime Moreno; Xavier Otazu; Maria Vanrell edit  isbn
openurl 
  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  
  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 (Chromatic Induction Wavelet Model).  
  Address Joensuu, Finland  
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  Series Volume Series Issue Edition  
  ISSN ISBN 9781617388897 Medium  
  Area Expedition Conference CGIV/MCS  
  Notes CIC Approved no  
  Call Number (down) CAT @ cat @ MOV2010a Serial 1307  
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Author Fernando Lopez; J.M. Valiente; Ramon Baldrich; Maria Vanrell edit  doi
openurl 
  Title Fast surface grading using color statistics in the CIELab space Type Conference Article
  Year 2005 Publication Pattern Recognition and Image Analysis. IbPRIA 2005 Abbreviated Journal  
  Volume LNCS 3523 Issue Pages 66-673  
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  Address Germany  
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  Area Expedition Conference IbPRIA  
  Notes CIC Approved no  
  Call Number (down) CAT @ cat @ LVB2005 Serial 641  
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Author Fahad Shahbaz Khan; Joost Van de Weijer; Maria Vanrell edit  openurl
  Title Who Painted this Painting? Type Conference Article
  Year 2010 Publication Proceedings of The CREATE 2010 Conference Abbreviated Journal  
  Volume Issue Pages 329–333  
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  Address Gjovik (Norway)  
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  Notes CIC Approved no  
  Call Number (down) CAT @ cat @ KWV2010 Serial 1329  
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Author Robert Benavente; Maria Vanrell; Ramon Baldrich edit  openurl
  Title Parametric Fuzzy Sets for Automatic Color Naming Type Journal
  Year 2008 Publication Journal of the Optical Society of America A Abbreviated Journal  
  Volume 25 Issue 10 Pages 2582–2593  
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  Notes CIC Approved no  
  Call Number (down) CAT @ cat @ BVB2008 Serial 1004  
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Author Robert Benavente; Maria Vanrell; Ramon Baldrich edit  url
openurl 
  Title A data set for fuzzy colour naming Type Journal
  Year 2006 Publication Color Research & Application, 31(1):48–56 Abbreviated Journal  
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  Notes CIC Approved no  
  Call Number (down) CAT @ cat @ BVB2006 Serial 590  
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Author Robert Benavente; Maria Vanrell; Ramon Baldrich edit  openurl
  Title Estimation of Fuzzy Sets for Computational Colour Categorization Type Journal
  Year 2004 Publication Color Research and Application, 29(5):342–353 (IF: 0.739) Abbreviated Journal  
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  Notes CIC Approved no  
  Call Number (down) CAT @ cat @ BVB2004 Serial 484  
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