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Author Justine Giroux; Mohammad Reza Karimi Dastjerdi; Yannick Hold-Geoffroy; Javier Vazquez; Jean François Lalonde
Title Towards a Perceptual Evaluation Framework for Lighting Estimation Type Conference Article
Year 2024 Publication (up) Arxiv Abbreviated Journal
Volume Issue Pages
Keywords
Abstract rogress in lighting estimation is tracked by computing existing image quality assessment (IQA) metrics on images from standard datasets. While this may appear to be a reasonable approach, we demonstrate that doing so does not correlate to human preference when the estimated lighting is used to relight a virtual scene into a real photograph. To study this, we design a controlled psychophysical experiment where human observers must choose their preference amongst rendered scenes lit using a set of lighting estimation algorithms selected from the recent literature, and use it to analyse how these algorithms perform according to human perception. Then, we demonstrate that none of the most popular IQA metrics from the literature, taken individually, correctly represent human perception. Finally, we show that by learning a combination of existing IQA metrics, we can more accurately represent human preference. This provides a new perceptual framework to help evaluate future lighting estimation algorithms.
Address Seattle; USA; June 2024
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Area Expedition Conference CVPR
Notes MACO; CIC Approved no
Call Number Admin @ si @ GDH2024 Serial 3999
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Author O. Fors; A. Richichi; Xavier Otazu; J. Nuñez
Title A new wavelet-based approach for the automated treatment of large sets of lunar occultation data Type Journal
Year 2008 Publication (up) Astronomy and Astrohysics Abbreviated Journal
Volume 480 Issue Pages 297–304
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Notes CIC Approved no
Call Number CAT @ cat @ FRO2008 Serial 934
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Author A. Richichi; O. Fors; M.T. Merino; Xavier Otazu; J. Nuñez; A. Prades; U. Thiele; D. Perez-Ramirez; F.J. Montojo
Title The Calar Alto lunar occultation program: update and new results Type Journal
Year 2006 Publication (up) Astronomy and Astrophysics (Section ’Stellar structure and evolution’), 445:1081–1088 Abbreviated Journal
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Notes CIC Approved no
Call Number CAT @ cat @ RFM2006a Serial 589
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Author Xavier Otazu; Olivier Penacchio; Xim Cerda-Company
Title An excitatory-inhibitory firing rate model accounts for brightness induction, colour induction and visual discomfort Type Conference Article
Year 2015 Publication (up) Barcelona Computational, Cognitive and Systems Neuroscience Abbreviated Journal
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Address Barcelona; June 2015
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ISSN ISBN Medium
Area Expedition Conference BARCCSYN
Notes NEUROBIT;CIC Approved no
Call Number Admin @ si @ OPC2015b Serial 2634
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Author C. Alejandro Parraga
Title Perceptual Psychophysics Type Book Chapter
Year 2015 Publication (up) Biologically-Inspired Computer Vision: Fundamentals and Applications Abbreviated Journal
Volume Issue Pages
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Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor G.Cristobal; M.Keil; L.Perrinet
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN 978-3-527-41264-8 Medium
Area Expedition Conference
Notes CIC; 600.074 Approved no
Call Number Admin @ si @ Par2015 Serial 2600
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Author Robert Benavente; Maria Vanrell
Title Fuzzy Colour Naming Based on Sigmoid Membership Functions. Type Miscellaneous
Year 2004 Publication (up) CGIV 2004 Second European Conference on Colour in Graphics, Imaging and Vision, 135:139 Abbreviated Journal
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Address Aachen (Germany)
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Notes CIC Approved no
Call Number CAT @ cat @ BeV2004 Serial 441
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Author Xavier Otazu; Maria Vanrell
Title Building Perceived Colour Images. Type Miscellaneous
Year 2004 Publication (up) 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 CAT @ cat @ OtV2004 Serial 450
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Author Francesc Tous; Maria Vanrell; Ramon Baldrich
Title Exploring Colour Constancy Solutions. Type Miscellaneous
Year 2004 Publication (up) CGIV 2004 Second European Conference on Colour in Graphics, Imaging, and Vision, 24:29 Abbreviated Journal
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Address Aachen (Germany)
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Notes CIC Approved no
Call Number CAT @ cat @ TVB2004 Serial 452
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Author Joost Van de Weijer; Robert Benavente; Maria Vanrell; Cordelia Schmid; Ramon Baldrich; Jacob Verbeek; Diane Larlus
Title Color Naming Type Book Chapter
Year 2012 Publication (up) Color in Computer Vision: Fundamentals and Applications Abbreviated Journal
Volume Issue 17 Pages 287-317
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Publisher John Wiley & Sons, Ltd. Place of Publication Editor Theo Gevers;Arjan Gijsenij;Joost Van de Weijer;Jan-Mark Geusebroek
Language Summary Language Original Title
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Notes CIC Approved no
Call Number Admin @ si @ WBV2012 Serial 2063
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Author Robert Benavente; Maria Vanrell; Ramon Baldrich
Title A data set for fuzzy colour naming Type Journal
Year 2006 Publication (up) Color Research & Application, 31(1):48–56 Abbreviated Journal
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Notes CIC Approved no
Call Number CAT @ cat @ BVB2006 Serial 590
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Author Robert Benavente; Maria Vanrell; Ramon Baldrich
Title Estimation of Fuzzy Sets for Computational Colour Categorization Type Journal
Year 2004 Publication (up) Color Research and Application, 29(5):342–353 (IF: 0.739) Abbreviated Journal
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Notes CIC Approved no
Call Number CAT @ cat @ BVB2004 Serial 484
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Author Robert Benavente; Ramon Baldrich; M.C. Olive; Maria Vanrell
Title Colour Naming Considering the Colour Variability Problem. Type Miscellaneous
Year 2000 Publication (up) Computacion y Sistemas, 4(1):30–43. Abbreviated Journal
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Notes CIC Approved no
Call Number CAT @ cat @ BBO2000 Serial 242
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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 (up) Computer Graphics Forum Abbreviated Journal CGF
Volume Issue Pages
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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 Admin @ si @ XVH2023 Serial 3883
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Author Susana Alvarez; Anna Salvatella; Maria Vanrell; Xavier Otazu
Title Low-dimensional and Comprehensive Color Texture Description Type Journal Article
Year 2012 Publication (up) Computer Vision and Image Understanding Abbreviated Journal CVIU
Volume 116 Issue I Pages 54-67
Keywords
Abstract Image retrieval can be dealt by combining standard descriptors, such as those of MPEG-7, which are defined independently for each visual cue (e.g. SCD or CLD for Color, HTD for texture or EHD for edges).
A common problem is to combine similarities coming from descriptors representing different concepts in different spaces. In this paper we propose a color texture description that bypasses this problem from its inherent definition. It is based on a low dimensional space with 6 perceptual axes. Texture is described in a 3D space derived from a direct implementation of the original Julesz’s Texton theory and color is described in a 3D perceptual space. This early fusion through the blob concept in these two bounded spaces avoids the problem and allows us to derive a sparse color-texture descriptor that achieves similar performance compared to MPEG-7 in image retrieval. Moreover, our descriptor presents comprehensive qualities since it can also be applied either in segmentation or browsing: (a) a dense image representation is defined from the descriptor showing a reasonable performance in locating texture patterns included in complex images; and (b) a vocabulary of basic terms is derived to build an intermediate level descriptor in natural language improving browsing by bridging semantic gap
Address
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Publisher Place of Publication Editor
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1077-3142 ISBN Medium
Area Expedition Conference
Notes CAT;CIC Approved no
Call Number Admin @ si @ ASV2012 Serial 1827
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Author Maria Vanrell; Ramon Baldrich; Anna Salvatella; Robert Benavente; Francesc Tous
Title Induction operators for a computational colour-texture representation Type Journal
Year 2004 Publication (up) Computer Vision and Image Understanding, 94(1–3):92–114, ISSN: 1077–3142 (IF: 0.651) Abbreviated Journal
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Notes CIC Approved no
Call Number CAT @ cat @ VBS2004 Serial 453
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Author Naila Murray; Sandra Skaff; Luca Marchesotti; Florent Perronnin
Title Towards automatic and flexible concept transfer Type Journal Article
Year 2012 Publication (up) Computers and Graphics Abbreviated Journal CG
Volume 36 Issue 6 Pages 622–634
Keywords
Abstract This paper introduces a novel approach to automatic, yet flexible, image concepttransfer; examples of concepts are “romantic”, “earthy”, and “luscious”. The presented method modifies the color content of an input image given only a concept specified by a user in natural language, thereby requiring minimal user input. This method is particularly useful for users who are aware of the message they wish to convey in the transferred image while being unsure of the color combination needed to achieve the corresponding transfer. Our framework is flexible for two reasons. First, the user may select one of two modalities to map input image chromaticities to target concept chromaticities depending on the level of photo-realism required. Second, the user may adjust the intensity level of the concepttransfer to his/her liking with a single parameter. The proposed method uses a convex clustering algorithm, with a novel pruning mechanism, to automatically set the complexity of models of chromatic content. Results show that our approach yields transferred images which effectively represent concepts as confirmed by a user study.
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ISSN 0097-8493 ISBN Medium
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Notes CIC Approved no
Call Number Admin @ si @ MSM2012 Serial 2002
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Author Marc Serra
Title Estimating Intrinsic Images from Physical and Categorical Color Cues Type Report
Year 2010 Publication (up) CVC Technical Report Abbreviated Journal
Volume 151 Issue Pages
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Corporate Author Thesis Master's thesis
Publisher Place of Publication Editor
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Notes CIC Approved no
Call Number Admin @ si @ Ser2010 Serial 1345
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Author Naila Murray
Title Perceptual Feature Detection Type Report
Year 2009 Publication (up) CVC Technical Report Abbreviated Journal
Volume 131 Issue Pages
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Corporate Author Computer Vision Center Thesis Master's thesis
Publisher Place of Publication Bellaterra, Barcelona Editor
Language Summary Language Original Title
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Notes CIC Approved no
Call Number Admin @ si @ Mur2009 Serial 2390
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