Retinex-based Image Denoising / Contrast Enhancement using Gradient Graph Laplacian Regularizer.

Yeganeh Gharedaghi Gene Cheung Xianming Liu

Published in: CoRR (2023)

Keyphrases

image denoising
contrast enhancement
graph laplacian
total variation
image enhancement
image processing
denoising
histogram equalization
edge detection
natural images

multiscale
noisy images
euclidean space
partial differential equations
color images
basis functions
low contrast
semi supervised learning
pointwise

gray level
dynamic range compression
wavelet coefficients
wavelet domain
regularization term
transfer function
semi supervised
tone mapping
visual quality

image restoration
image analysis
computer vision
noise level
learning tasks
machine learning
frequency domain
wavelet transform
contourlet transform