Adaptive Quartile Sigmoid Function Operator for Color Image Contrast Enhancement.

Chao-Hua Wen Jyh-jiun Lee Yi-chin Liao

Published in: Color Imaging Conference (2001)

Keyphrases

image contrast enhancement
sigmoid function
image enhancement
color images
histogram equalization
gray level
imprecise data
color space
edge detection
gray scale
neural network
computer vision
image analysis