Image Detail and Color Enhancement Based on Channel-wise Local Gamma Adjustment

被引：0
|
作者：
Tseng, Chen-Yu [1 ]
Wang, Sheng-Jyh [1 ]
Lai, Yueh-Yi [2 ]
Zhou, Yi-Cai [2 ]
机构：
[1] Natl Chiao Tung Univ, Dept Elect Engn, Hsinchu, Taiwan
[2] Taiwan TFT LCD Assoc, Hsinchu, Taiwan
来源：
2009 SID INTERNATIONAL SYMPOSIUM DIGEST OF TECHNICAL PAPERS, VOL XL, BOOKS I - III | 2009年
关键词：
RETINEX THEORY;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper proposes a novel local gamma adjustment algorithm to virtually expand the dynamic range of displayed images. Image details are automatically enhanced based on the estimation of local image details in the original image. By individually adjusting the local gamma value over the R, G, and B color channels, image colorfulness can also be enhanced. The proposed algorithm requires low computational complexity and may provide enhancement results comparable to, or even better than, manually adjusted images.
引用
收藏
页码：1022 / +
页数：2
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