Skin color reproduction algorithm for portrait images shown on the mobile display

Youngshin Kwak; JiYoung Hong; SeongDeok Lee; Du-Sik Park; Chang Yeong Kim

doi:10.1117/12.643637

16 January 2006 Skin color reproduction algorithm for portrait images shown on the mobile display

Youngshin Kwak, JiYoung Hong, SeongDeok Lee, Du-Sik Park, Chang Yeong Kim

Proceedings Volume 6058, Color Imaging XI: Processing, Hardcopy, and Applications; 60580K (2006) https://doi.org/10.1117/12.643637
Event: Electronic Imaging 2006, 2006, San Jose, California, United States

Abstract

The preferred skin color reproduction algorithm is developed for the mobile display especially for a portrait image with one person as a main object occupying most of the screen. According to the developed technique, the skin area in an image is detected using color value of each pixel in YCbCr color space. The skin color boundary is defined as a quadrangle in Cb-Cr plane. The colors of pixels belonging to skin area are shifted toward the preferred colors while there is no color change for the other pixels. The psychophysical experiments are conducted to investigate the optimal model parameters providing the most pleasant image to the users. Then, the performance of developed algorithm is tested using the optimal parameters. The result shows that for more than 95% cases, the observers prefer the images treated with the developed algorithm compared to the original image. It is believed that the developed algorithm can be applied to the mobile application to improve the image quality regardless the input sources.

Citation Download Citation

Youngshin Kwak, JiYoung Hong, SeongDeok Lee, Du-Sik Park, and Chang Yeong Kim "Skin color reproduction algorithm for portrait images shown on the mobile display", Proc. SPIE 6058, Color Imaging XI: Processing, Hardcopy, and Applications, 60580K (16 January 2006); https://doi.org/10.1117/12.643637

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