Spectral gamuts and spectral gamut mapping

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Title: Spectral gamuts and spectral gamut mapping
Author: Rosen, Mitchell; Derhak, Maxim
Abstract: All imaging devices have two gamuts: the stimulus gamut and the response gamut. The response gamut of a print engine is typically described in CIE colorimetry units, a system derived to quantify human color response. More fundamental than colorimetric gamuts are spectral gamuts, based on radiance, reflectance or transmittance units. Spectral gamuts depend on the physics of light or on how materials interact with light and do not involve the human's photoreceptor integration or brain processing. Methods for visualizing a spectral gamut raise challenges as do considerations of how to utilize such a data-set for producing superior color reproductions. Recent work has described a transformation of spectra reduced to 6-dimensions called LabPQR. LabPQR was designed as a hybrid space with three explicit colorimetric axes and three additional spectral reconstruction axes. In this paper spectral gamuts are discussed making use of LabPQR. Also, spectral gamut mapping is considered in light of the colorimetric-spectral duality of the LabPQR space.
Description: "Spectral gamuts and spectral gamut mapping," Proceedings of SPIE Volume 6062 -- Spectral Imaging: Eighth International Symposium on Multispectral Color Science. International Society of Optical Engineers. Held in San Jose, California: 16 January 2006. Copyright 2006 Society of Photo-Optical Instrumentation Engineers. This paper was published in Spectral Imaging: Eighth International Symposium on Multispectral Color Science, SPIE Volume 6062, and is made available as an electronic reprint with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Record URI: http://hdl.handle.net/1850/3228
Date: 2006-01-16

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