Color correction system using a color compensation chart for the images from digital camera

Authors:
Seok-Han Lee;Sang-Won Um;Jong-Soo Choi
Affiliations:
Dept. of Image Engineering, Graduate School of Advanced Imaging Science, Multimedia, and Film, Chung-Ang University, Seoul, Republic of Korea;Dept. of Image Engineering, Graduate School of Advanced Imaging Science, Multimedia, and Film, Chung-Ang University, Seoul, Republic of Korea;Dept. of Image Engineering, Graduate School of Advanced Imaging Science, Multimedia, and Film, Chung-Ang University, Seoul, Republic of Korea
Venue:
PSIVT'06 Proceedings of the First Pacific Rim conference on Advances in Image and Video Technology
Year:
2006

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Abstract

In this paper, we describe the color correction system using a color compensation chart for the color images from digital cameras. Most of the conventional methods for the color corrections of images are based on the spectral analysis for the captured images. The proposed system introduces a different approach for the color correction. That is, the color correction is performed by dynamic tone reproduction and direct transformation between the captured colors and the reference colors. The color correction process consists of two steps, i.e., the profile creation process and the profile application process. During the profile creation process, the relationships between the captured colors and the reference colors are estimated. And the system creates a color profile and embeds the estimation result in the profile. During the profile application process, the colors in the images which are captured under the same condition as that of the chart image are reproduced using the created color profile. To evaluate the performance of the system, we perform experiments under various conditions. And we compare the results with those of widely used commercial applications.