Color constancy in the compressed domain

Authors:
Jayanta Mukhopadhyay;Sanjit K. Mitra
Affiliations:
Dept. of Computer Science & Engineering, Indian Institute of Technology, Kharagpur, India;Ming Hsieh Dept. of Electrical Engineering, University of Southern California, Los Angeles, CA
Venue:
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Year:
2009

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Abstract

This paper considers different algorithms for solving the color constancy problem in the block DCT domain. New algorithms in this domain have been proposed by exploiting the advantage of smaller data size and the better chromatic separation of Y-Cb-Cr color space (as used in the JPEG standard) against the R-G-B color space of the spatial domain. These make them faster and less memory intensive compared to their equivalent ones in the spatial domain without any significant degradation of the quality of the results.