Journal
IEEE TRANSACTIONS ON IMAGE PROCESSING
Volume 15, Issue 10, Pages 3230-3234Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIP.2006.877478
Keywords
background adjustment; color contrast; color enhancement; gamut mapping and saturation enhancement
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This work presents a color enhancement scheme to virtually restore ancient Chinese paintings in electronic form. Two degradations result in color contrast loss in ancient Chinese paintings: paper aging and pigment fading. The proposed enhancement scheme comprises two subsequent methods: background adjustment and saturation enhancement. The former method, based on the Von Kries color conversion in the CIE xyY color space, retrieves the original color of the paint paper by modifying colors based on their similarity to the background color. The proposed saturation enhancement method makes colors more vivid and bright, and also improves the image contrast.
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