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Temporal Color Consistency-Based Video Reproduction for Dichromats

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3 Author(s)
Chun-Rong Huang ; Dept. of Comput. Sci. & Eng., Nat. Chung Hsing Univ., Taichung, Taiwan ; Kuo-Chuan Chiu ; Chu-Song Chen

In this paper, a video re-coloring algorithm for dichromats is presented. Different from image re-coloring schemes, reproducing a video for dichromats requires maintaining temporal color consistency between frames, i.e., the same color in different frames should be re-colored to the identical new color. To achieve this goal, we extract video key colors from shots after motion estimation at first. Based on the importance of video key colors, a process order is defined to perform efficient color remapping and solve the contrast maintaining problem. Then, the remapped frame pixel values are interpolated by the remapped video key colors with spatial-temporal constraints. Experimental results show that our method can increase the visibility for dichromats and guarantee temporal color consistency.

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Multimedia, IEEE Transactions on  (Volume:13 ,  Issue: 5 )