Multi-stage image denoising based on correlation coefficient matching and sparse dictionary pruning.
Yanmin HeTao GanWufan ChenHoujun WangPublished in: Signal Process. (2012)
Keyphrases
- multistage
- image denoising
- correlation coefficient
- denoising
- sparse representation
- natural images
- noisy images
- total variation
- single stage
- dynamic programming
- standard deviation
- soft thresholding
- lot sizing
- image processing
- wavelet domain
- sparse coding
- denoising methods
- wavelet coefficients
- denoising algorithm
- principal components
- search space
- face recognition
- higher order
- high dimensional
- optimal policy
- image representation
- signal processing
- graphical models
- object recognition
- wavelet domain hidden markov tree