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A non-convex gradient fidelity-based variational model for image contrast enhancement.
Qiegen Liu
Jianbo Liu
Biao Xiong
Dong Liang
Published in:
EURASIP J. Adv. Signal Process. (2014)
Keyphrases
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image contrast enhancement
image enhancement
gray level
edge detection
histogram equalization
contrast enhancement
convex optimization
visual quality
co occurrence
neural network
convex hull
piecewise constant
image quality
image analysis
multiresolution
visual information
image segmentation