Title
Gamut Mapping in Cinematography Through Perceptually-Based Contrast Modification
Abstract
Gamut mapping transforms the colors of an input image to the colors of a target device so as to exploit the full potential of the rendering device in terms of color rendition. In this paper we present spatial gamut mapping algorithms that rely on a perceptually-based variational framework. Our algorithms adapt a well-known image energy functional whose minimization leads to image enhancement and contrast modification. We show how by varying the importance of the contrast term in the image functional we are able to perform gamut reduction and gamut extension. We propose an iterative scheme that allows our algorithms to successfully map the colors from the gamut of the original image to a given destination gamut while keeping the perceived colors close to the original image. Both subjective and objective evaluations validate the promising results achieved via our proposed algorithms.
Year
DOI
Venue
2014
10.1109/JSTSP.2014.2313182
Selected Topics in Signal Processing, IEEE Journal of  
Keywords
Field
DocType
image colour analysis,image enhancement,iterative methods,rendering (computer graphics),variational techniques,cinematography,color rendition,gamut extension,gamut reduction,image energy functional,image enhancement,input image colors,iterative scheme,perceptually-based contrast modification,perceptually-based variational framework,rendering device,spatial gamut mapping algorithms,target device colors,Gamut mapping (GM),color contrast,gamut extension (GE),gamut mapping algorithm (GMA),gamut reduction (GR),variational methods
Computer vision,Gamut,Computer science,Minification,Artificial intelligence,Mapping algorithm,Energy functional,Cinematography,Rendering (computer graphics),Signal processing algorithms
Journal
Volume
Issue
ISSN
8
3
1932-4553
Citations 
PageRank 
References 
1
0.35
0
Authors
4
Name
Order
Citations
PageRank
Syed Waqas Zamir1315.51
Javier Vazquez-Corral2738.29
Marcelo Bertalmio32452196.47
Vazquez-Corral, J.410.35