A Tale of Two Bases: Local-Nonlocal Regularization on Image Patches with Convolution Framelets.
Rujie YinTingran GaoYue LuIngrid DaubechiesPublished in: SIAM J. Imaging Sci. (2017)
Keyphrases
- image patches
- natural images
- image denoising
- low resolution
- variational framework
- denoising
- feature vectors
- sparse representation
- test images
- super resolution
- image processing
- noisy images
- sparse coding
- image restoration
- prior model
- raw image
- similar patches
- multiscale
- parameter selection
- small image patches
- image super resolution
- data sets
- object recognition
- denoising algorithm
- high resolution
- image prior
- data points
- repetitive patterns
- nonlocal means
- input image
- higher order
- linear combination