Reducible dictionaries for single image super-resolution based on patch matching and mean shifting.
Pejman RastiKamal NasrollahiOlga OrlovaGert TambergThomas B. MoeslundGholamreza AnbarjafariPublished in: J. Electronic Imaging (2017)
Keyphrases
- single image super resolution
- image patches
- sparse coding
- super resolution
- natural images
- sparse representation
- low resolution
- feature vectors
- dictionary learning
- test images
- high resolution
- image classification
- image prior
- keypoints
- higher order
- compressive sensing
- high resolution images
- multiscale
- image restoration
- spatial information
- image reconstruction
- natural scenes