Image Super-Resolution via Hierarchical and Collaborative Sparse Representation.
Xianming LiuDeming ZhaiDebin ZhaoWen GaoPublished in: DCC (2013)
Keyphrases
- image super resolution
- sparse representation
- dictionary learning
- sparse coding
- image patches
- image classification
- face recognition
- high dimensional data
- low resolution
- dimensionality reduction
- image representation
- test images
- computer vision
- data mining
- maximum likelihood
- data sets
- linear combination
- signal processing
- multiscale
- image sequences
- kernel regression