Modulated AIHT Image Contrast Enhancement Algorithm based on Contrast-Limited Adaptive Histogram Equalization

被引:4
|
作者
Yu, Cheng-Yi [1 ]
Lin, Hsueh-Yi [1 ]
Ouyang, Yen-Chieh [2 ]
Yu, Tzu-Wei [3 ]
机构
[1] Chin Yi Univ Technol, Dept Comp Sci & Informat Engn, Taichung, Taiwan
[2] Natl Chun Hsing Univ, Dept Elect Engn, Taichung, Taiwan
[3] Chin Yi Univ Technol, Dept Elect Engn, Taichung, Taiwan
来源
关键词
Contrast Enhancement; Global Contrast Enhancement; Local Contrast Enhancement; Adaptive Inverse Hyperbolic Tangent (AIHT); Contrast-Limited Adaptive Histogram Equalization (CLAHE);
D O I
10.12785/amis/072L10
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
The Adaptive Inverse Hyperbolic Tangent (AIHT) algorithm is capable of enhancing the global contrast of the original image adaptively, while extruding the details of objects simultaneously, cannot enhance local contrast. Therefore, we proposed a Contrast-Limited Adaptive Histogram Equalization (CLAHE) modulation based on AIHT contrast enhancement algorithm from conjugate AIHT and CLAHE image contrast enhance algorithm. The CLAHE has good contrast enhance performance, but excessive contrast enhance will produce the serious chromatic aberration results. We apply the AIHT and CLAHE advantage to present a joint multiple processes algorithm of contrast enhancement to achieve better contrast enhancement effect.
引用
收藏
页码:449 / 454
页数:6
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