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Color Correction for Multiple Light Sources Using Profile Correction System

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In this article the authors propose a color correction system for images illuminated by multiple light sources. The proposed system can generate an illumination-invariant image under various light sources. Such illumination-invariant image acquisition becomes possible by adopting a user-defined profile connection space (UD-PCS) that generates custom profiles, which can be used to eliminate the effect of directional light sources. The proposed algorithm consists of the following steps: (i) input image capture with minimum of two light sources and reference Qpcard, (ii) estimation of color correction matrix and tone reproductive curves, (iii) modifying International Color Consortium profile tags to generate UD-PCS, and (iv) color mixture map extraction for fusion of input source images. Experiments were carried out on several test images with different light sources in order to prove the utility of the proposed algorithm.

Document Type: Research Article


Affiliations: 1: Image Processing and Intelligent Systems Laboratory, Graduate School of Advanced Imaging Science, Multimedia, and Film, Chung-Ang University, Seoul 156-756, Korea 2: Digital Scientific Imaging Laboratory, Graduate School of Advanced Imaging Science, Multimedia, and Film, Chung-Ang University, Seoul 156-756, Korea

Publication date: September 1, 2009

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  • 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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