Reverse Sparse Representation for Single Image Super-Resolution.
Jian XuChunyu WangJiulun FanPublished in: J. Comput. (2018)
Keyphrases
- single image super resolution
- sparse representation
- sparse coding
- dictionary learning
- image patches
- compressive sensing
- image classification
- face recognition
- random projections
- dimensionality reduction
- high dimensional data
- image super resolution
- signal processing
- image representation
- pairwise
- test images
- maximum a posteriori
- natural images
- higher order
- nearest neighbor
- small number
- ground truth
- multiscale