Image super-resolution based on a novel edge sharpness prior.
Qing YanYi XuXiaokang YangKai ChenPublished in: ICPR (2012)
Keyphrases
- image super resolution
- smoothness prior
- edge preserving
- maximum a posteriori
- dictionary learning
- super resolution
- low resolution
- image prior
- image registration
- map estimation
- markov random field
- kernel regression
- image restoration
- noise reduction
- anisotropic diffusion
- edge detection
- high quality
- image patches
- high resolution
- sparse representation
- prior knowledge
- energy function
- image reconstruction
- feature vectors
- multiscale