High efficient contrast enhancement using parametric approximation.

Yun-Fu Liu Jing-Ming Guo Bo-Syun Lai Jiann-Der Lee

Published in: ICASSP (2013)

Keyphrases

contrast enhancement
image enhancement
gray level
machine learning
shape preserving
histogram equalization
multiscale
color images
image processing
transfer function
fully automatic
visual quality
pattern recognition
least squares
feature extraction
face recognition
unsharp masking