Online dictionary learning algorithm with periodic updates and its application to image denoising.
Ender Mete EksiogluPublished in: Expert Syst. Appl. (2014)
Keyphrases
- image denoising
- learning algorithm
- denoising
- noisy images
- natural images
- sparse and redundant representations
- total variation
- partial differential equations
- image processing
- bilateral filtering
- wavelet domain
- wavelet coefficients
- denoising methods
- wavelet domain hidden markov tree
- undecimated wavelet transform
- additive gaussian noise
- image inpainting
- nonlocal means
- denoising algorithm
- image deblurring
- edge preservation
- anisotropic diffusion
- augmented lagrangian
- total variation regularization
- machine learning
- object recognition
- nonlinear diffusion
- noise level