Novel Speed-Up Strategies for Non-Local Means Denoising With Patch and Edge Patch Based Dictionaries.
Hemalata BhujleSubhasis ChaudhuriPublished in: IEEE Trans. Image Process. (2014)
Keyphrases
- denoising
- similar patches
- image patches
- natural images
- image denoising
- denoising algorithm
- noisy images
- sparse representation
- total variation
- image processing
- nonlocal means
- test images
- wavelet domain
- frequency domain
- gaussian noise
- edge information
- fidelity term
- edge detector
- smooth regions
- higher order singular value decomposition
- wavelet packet
- sparse coding
- denoising methods
- nonlinear diffusion
- image super resolution
- dictionary learning
- online auctions
- wavelet denoising
- beltrami flow