Automatic Contrast-Limited Adaptive Histogram Equalization With Dual Gamma Correction

Chang, Yakun; Jung, Cheolkon; Peng, Ke; Song, Hyoseob; Hwang, Jungmee

doi:10.1109/access.2018.2797872

Public

Automatic Contrast-Limited Adaptive Histogram Equalization With Dual Gamma Correction

Published in IEEE Access • Jan 1, 2018

Authors:

Yakun Chang

Cheolkon Jung

Ke Peng

Abstract

We propose automatic contrast-limited adaptive histogram equalization (CLAHE) for image contrast enhancement. We automatically set the clip point for CLAHE based on textureness of a block. Also, we introduce dual gamma correction into CLAHE to achieve contrast enhancement while preserving naturalnes...

Subject

Adaptive histogram equalization

Gamma correction

Computer science

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