Keyphrases
- image denoising
- structure preserving
- low rank approximation
- singular value decomposition
- denoising
- natural images
- low rank
- noisy images
- total variation
- nonlocal means
- dimensionality reduction
- partial differential equations
- spectral clustering
- kernel matrix
- image processing
- wavelet coefficients
- convex optimization
- denoising algorithm
- nonnegative matrix factorization
- iterative algorithms
- higher order
- image inpainting
- matrix factorization
- image segmentation
- kernel methods
- feature selection
- model selection
- wavelet transform