Keyphrases
- image denoising
- denoising
- noisy images
- natural images
- partial differential equations
- total variation
- wavelet coefficients
- image processing
- augmented lagrangian
- denoising methods
- total variation regularization
- wavelet domain
- additive gaussian noise
- wavelet domain hidden markov tree
- nonlocal means
- undecimated wavelet transform
- denoising algorithm
- image deblurring
- noise level
- bilateral filtering
- nonlinear diffusion
- constrained optimization
- object recognition
- feature extraction
- face recognition