Image Denoising Via Learned Dictionaries and Sparse representation.
Michael EladMichal AharonPublished in: CVPR (1) (2006)
Keyphrases
- sparse representation
- image denoising
- denoising
- dictionary learning
- noisy images
- natural images
- sparse coding
- total variation
- face recognition
- image processing
- image classification
- signal processing
- sparse approximations
- random projections
- image patches
- wavelet domain
- sparse and redundant representations
- compressive sensing
- dimensionality reduction
- wavelet coefficients
- image representation
- high dimensional data
- test images
- norm minimization
- multiscale
- noise level
- multiresolution
- filter bank
- piecewise smooth
- sparse learning
- image compression