A weighted discriminative approach for image denoising with overcomplete representations.
Amir AdlerYacov Hel-OrMichael EladPublished in: ICASSP (2010)
Keyphrases
- image denoising
- natural images
- denoising
- noisy images
- total variation
- partial differential equations
- image processing
- multiscale
- wavelet domain
- higher order
- image deblurring
- wavelet coefficients
- sparse coding
- input image
- nonlocal means
- additive gaussian noise
- denoising algorithm
- object recognition
- denoising methods
- total variation regularization
- sparse representation
- linear combination
- contourlet transform
- bilateral filtering
- image patches
- frequency domain
- nonlinear diffusion
- probability distribution
- edge preservation
- feature extraction
- computer vision