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  4. Gamut mapping in a high-dynamic-range color space
 
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2014
Conference Paper
Title

Gamut mapping in a high-dynamic-range color space

Abstract
In this paper, we present a novel approach of tone mapping as gamut mapping in a high-dynamic-range (HDR) color space. High- and low-dynamic-range (LDR) images as well as device gamut boundaries can simultaneously be represented within such a color space. This enables a unified transformation of the HDR image into the gamut of an output device (in this paper called HDR gamut mapping). An additional aim of this paper is to investigate the suitability of a specific HDR color space to serve as a working color space for the proposed HDR gamut mapping. For the HDR gamut mapping, we use a recent approach that iteratively minimizes an image-difference metric subject to in-gamut images. A psychophysical experiment on an HDR display shows that the standard reproduction workflow of two subsequent transformations - tone mapping and then gamut mapping - may be improved by HDR gamut mapping.
Author(s)
Preiss, Jens
TU Darmstadt
Fairchild, Mark D.
Rochester Institute of Technology
Ferwerda, James A.
Rochester Institute of Technology
Urban, Philipp  
Fraunhofer-Institut für Graphische Datenverarbeitung IGD  
Mainwork
Color imaging XIX: Displaying, processing, hardcopy, and applications. Proceedings  
Conference
Conference "Color Imaging: Processing, Hardcopy, and Applications" 2014  
Annual Symposium on Electronic Imaging, Science and Technology 2014  
DOI
10.1117/12.2039747
Language
English
Fraunhofer-Institut für Graphische Datenverarbeitung IGD  
Keyword(s)
  • high dynamic range

  • gamut mapping

  • image quality

  • color space

  • Business Field: Virtual engineering

  • Business Field: Visual decision support

  • Research Line: Computer graphics (CG)

  • Research Line: Computer vision (CV)

  • Research Line: Modeling (MOD)

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