Contextual dictionaries for image super resolution.
Wei YuHongxun YaoXianming LiuRongrong JiXiaoshuai SunPengfei XuPublished in: ICIMCS (2011)
Keyphrases
- image super resolution
- sparse representation
- dictionary learning
- image patches
- low resolution
- super resolution
- sparse coding
- image classification
- edge preserving
- kernel regression
- low resolution images
- feature space
- image registration
- class specific
- map estimation
- maximum a posteriori
- natural images
- image processing
- em algorithm
- similarity measure