A Robust Dictionary Learning Algorithm for Image Denoising.
Subhadip MukherjeeRupam BasuChandra Sekhar SeelamantulaPublished in: CoRR (2014)
Keyphrases
- image denoising
- denoising
- learning algorithm
- natural images
- total variation
- noisy images
- denoising algorithm
- sparse and redundant representations
- wavelet coefficients
- partial differential equations
- wavelet domain
- undecimated wavelet transform
- image processing
- nonlocal means
- image deblurring
- denoising methods
- nonlinear diffusion
- edge preservation
- bilateral filtering
- sparse representation
- image quality
- anisotropic diffusion
- object recognition
- total variation regularization
- additive gaussian noise
- wavelet domain hidden markov tree
- contourlet transform
- machine learning
- computer vision
- higher order
- multiscale
- feature vectors