A novel color constancy algorithm based on gray-curve regulation

Huinan Guo; Zuofeng Zhou; Yao Tang; Jianzhong Cao

doi:10.1117/12.2030932

19 July 2013 A novel color constancy algorithm based on gray-curve regulation

Huinan Guo, Zuofeng Zhou, Yao Tang, Jianzhong Cao

Proceedings Volume 8878, Fifth International Conference on Digital Image Processing (ICDIP 2013); 88784F (2013) https://doi.org/10.1117/12.2030932
Event: Fifth International Conference on Digital Image Processing, 2013, Beijing, China

Abstract

Color constancy performs an important role in computer vision and digital color image processing. The traditional color regulation algorithms which are based on the gray world assumption neglect the correlation between the three stimulus color components and the nonlinear effect between the different gray levels. In this paper, we propose a novel color constancy algorithm which is based on gray-curve regulation. The proposed algorithm first divides the luminance interval into several parts and then regulates the gray-curves of RGB three channels in each subinterval which can solve the correlation and nonlinear problems simultaneously. The experiment results show the effectiveness of the proposed algorithm.

Citation Download Citation

Huinan Guo, Zuofeng Zhou, Yao Tang, and Jianzhong Cao "A novel color constancy algorithm based on gray-curve regulation", Proc. SPIE 8878, Fifth International Conference on Digital Image Processing (ICDIP 2013), 88784F (19 July 2013); https://doi.org/10.1117/12.2030932

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