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Preferred Skin Color Enhancement of Digital Photographic Images
Huanzhao Zeng, Ronnier Luo
Pages - 314 - 329     |    Revised - 15-08-2013     |    Published - 15-09-2013
Volume - 7   Issue - 4    |    Publication Date - September 2013  Table of Contents
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KEYWORDS
Skin Color Enhancement, Image Enhancement, Skin Tone, Preferred Color, Memory Color, Skin Color Model.
ABSTRACT
Reproducing skin colors pleasingly is essential for photographic color reproduction. Moving skin colors toward their preferred skin color center improves the skin color preference. Two main factors to successfully enhance skin colors are: a method to detect skin colors effectively and a method to morph skin colors toward a preferred skin color region properly. This paper starts with introducing a method to enhance skin colors using a static skin color detection model. It significantly improves the color preference for skin colors that are not far off from regular skin tones. To enhance a greater range of skin tones effectively, another method that automatically adapts the skin color detection model to the skin tone of each individual image is proposed. It not only enhances skin colors effectively, but also adjusts the overall image colors to produce more accurate white balance on the image.
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Dr. Huanzhao Zeng
Color Imaging Scientist, Qualcomm Research Center Qualcomm Inc. San Diego, CA 92121 - United States of America
huan_zeng@yahoo.com
Professor Ronnier Luo
Professor, Colour, Imaging and Design Research Cent re University of Leeds Leeds LS2 9JT - United Kingdom