Supervised Dictionary Learning with Smooth Shrinkage for Image Denoising.
Keting ZhangLiqing ZhangPublished in: Neural Process. Lett. (2018)
Keyphrases
- image denoising
- dictionary learning
- sparse coding
- natural images
- denoising
- sparse representation
- noisy images
- total variation
- wavelet shrinkage
- partial differential equations
- unsupervised learning
- image processing
- wavelet domain
- bilateral filtering
- wavelet coefficients
- learning algorithm
- denoising algorithm
- semi supervised
- denoising methods
- object recognition
- image deblurring
- image representation
- pattern recognition
- multiscale
- augmented lagrangian
- linear combination
- supervised learning
- higher order
- input image
- nonlinear diffusion
- soft thresholding