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Volume: 3 | Article ID: art00051
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Adding Local Contrast to Global Gamut Mapping Algorithms
  DOI :  10.2352/CGIV.2006.3.1.art00051  Published OnlineJanuary 2006
Abstract

This paper deals with the potential of spatial gamut mapping methods as a complement to global gamut mapping algorithms. The main goal is to recover the original local contrast between neighboring pixels in addition to the usual optimization of preserving lightness, saturation and global contrast. As a typical representative for such a spatial mapping concept, we study unsharp masking applied to an image of the difference of the original and the result of a given gamut mapping algorithm. Thereby an edge preserving smoothing algorithm is used to avoid halo artefacts. In our psychophysical experiments every considered gamut mapping algorithm shows a significant gain in preference by our local contrast approach. The presented method can be seen as an additional feature towards an image-to-device gamut mapping design.

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Peter Zolliker, Klaus Simon, "Adding Local Contrast to Global Gamut Mapping Algorithmsin Proc. IS&T CGIV 2006 3rd European Conf. on Colour in Graphics, Imaging, and Vision,  2006,  pp 257 - 261,  https://doi.org/10.2352/CGIV.2006.3.1.art00051

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Copyright © Society for Imaging Science and Technology 2006
72010351
Conference on Colour in Graphics, Imaging, and Vision
conf colour graph imag vis
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