Progressive Image Denoising Through Hybrid Graph Laplacian Regularization: A Unified Framework.
Xianming LiuDeming ZhaiDebin ZhaoGuangtao ZhaiWen GaoPublished in: IEEE Trans. Image Process. (2014)
Keyphrases
- image denoising
- graph laplacian
- denoising
- random walk
- spectral clustering
- natural images
- noisy images
- spectral analysis
- kernel machines
- basis functions
- image processing
- euclidean space
- total variation
- weighted graph
- partial differential equations
- pointwise
- wavelet coefficients
- semi supervised learning
- wavelet domain
- labeled and unlabeled data
- multiscale
- contourlet transform
- sparse coding
- machine learning
- convex optimization
- image restoration
- linear combination
- semi supervised