Image denoising through multi-scale learnt dictionaries.
Jeremias SulamBoaz OphirMichael EladPublished in: ICIP (2014)
Keyphrases
- image denoising
- multiscale
- sparse and redundant representations
- natural images
- wavelet coefficients
- denoising
- image processing
- noisy images
- total variation
- image patches
- wavelet domain
- wavelet transform
- partial differential equations
- scale space
- additive gaussian noise
- wavelet domain hidden markov tree
- image segmentation
- sparse representation
- edge detection
- denoising algorithm
- bilateral filtering
- image representation
- denoising methods
- wavelet decomposition
- filter bank
- image compression
- signal processing
- contourlet transform
- image inpainting
- color images
- higher order
- nonlinear diffusion
- augmented lagrangian
- feature space
- total variation regularization
- object recognition
- feature extraction