Denoising by Sparse Approximation: Error Bounds Based on Rate-Distortion Theory.
Alyson K. FletcherSundeep RanganVivek K. GoyalKannan RamchandranPublished in: EURASIP J. Adv. Signal Process. (2006)
Keyphrases
- error bounds
- sparse approximation
- denoising
- spatially adaptive
- noise model
- linear combination
- noisy images
- denoising algorithm
- natural images
- image denoising
- sparse coding
- gaussian noise
- theoretical analysis
- total variation
- gaussian process
- worst case
- image processing
- noise level
- rate distortion
- denoising methods
- feature space
- multiscale