Retinex-based Image Denoising / Contrast Enhancement Using Gradient Graph Laplacian Regularizer.
Yeganeh GharedaghiGene CheungXianming LiuPublished in: ICIP (2023)
Keyphrases
- image denoising
- contrast enhancement
- graph laplacian
- total variation
- image enhancement
- image processing
- denoising
- histogram equalization
- edge detection
- natural images
- multiscale
- noisy images
- gray level
- euclidean space
- dynamic range compression
- color images
- basis functions
- semi supervised learning
- regularization term
- partial differential equations
- visual quality
- semi supervised
- low contrast
- wavelet domain
- wavelet coefficients
- pointwise
- transfer function
- tone mapping
- image analysis
- frequency domain
- image segmentation
- computer vision
- machine learning
- noise level
- high quality
- pattern recognition
- noise reduction
- image patches
- sparse representation