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Volume: 7 | Article ID: art00031
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General-Purpose Gamut-Mapping Algorithms: Evaluation of Contrast-Preserving Rescaling Functions for Color Gamut Mapping
  DOI :  10.2352/CIC.1999.7.1.art00031  Published OnlineJanuary 1999
Abstract

Gamut-mapping experiments were performed to test a set of general-purpose gamut-mapping functions. These gamut-mapping algorithms utilized contrast-preserving scaling functions. These algorithms were tested against the GCUSP gamut-mapping algorithm proposed by Morovic and Luo, which was shown to have very good “universal” gamut-mapping characteristics. The results of these experiments showed that vast improvements were obtained when linear lightness and chroma rescaling functions are replaced with contrast-preserving lightness and chroma rescaling functions. For these experiments, the gamut mapping consisted of sigmoidal lightness remapping functions followed by either “knee” functions or “sigmoid-like” chromatic compression functions.

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Gustav J. Braun, Mark D. Fairchild, "General-Purpose Gamut-Mapping Algorithms: Evaluation of Contrast-Preserving Rescaling Functions for Color Gamut Mappingin Proc. IS&T 7th Color and Imaging Conf.,  1999,  pp 167 - 172,  https://doi.org/10.2352/CIC.1999.7.1.art00031

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