Evaluation of Algorithms for the Determination of Color Gamut Boundaries
Abstract:Several techniques for the computation of gamut boundaries have been presented in the past. In this article we take an in-depth look at some of the gamut boundary descriptors used when performing today's gamut mapping algorithms. We present a method for evaluating the mismatch introduced when using a descriptor to approximate the boundary of a device gamut. First, a visually verified reference gamut boundary is created by triangulating the gamut surface using a device profile or a device characterization model. The different gamut boundary descriptor techniques are then used to construct gamut boundaries based on several sets of simulated measurement data from the device. These boundaries are then compared against the reference gamut by utilizing a novel voxel based approach. Results from experiments using several gamut boundary descriptors are presented and analyzed statistically. The modified convex hull algorithm proposed by Balasubramian and Dalal performs well for all the different data sets.
Document Type: Research Article
Affiliations: Gjøvik University College, Gjøvik, Norway
Publication date: 2010-09-01
The Journal of Imaging Science and Technology (JIST) is dedicated to the advancement of imaging science knowledge, the practical applications of such knowledge, and how imaging science relates to other fields of study. The pages of this journal are open to reports of new theoretical or experimental results, and to comprehensive reviews. Only original manuscripts that have not been previously published, nor currently submitted for publication elsewhere, should be submitted.
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