Image denoising via Graph regularized K-SVD.
Yibin TangYuan ShenAimin JiangNing XuChangping ZhuPublished in: ISCAS (2013)
Keyphrases
- image denoising
- sparse and redundant representations
- denoising
- natural images
- noisy images
- sparse coding
- partial differential equations
- total variation
- image processing
- wavelet domain
- image prior
- bilateral filtering
- sparse representation
- denoising algorithm
- additive gaussian noise
- wavelet coefficients
- object recognition
- image deblurring
- undecimated wavelet transform
- edge preservation
- edge detection
- higher order
- wavelet domain hidden markov tree
- nonlinear diffusion
- denoising methods
- anisotropic diffusion
- noise level
- image classification
- input image
- multiscale
- bayesian networks
- face recognition