Hypergraph-regularized sparse representation for single color image super resolution.
Minghua WangQiang WangPublished in: J. Vis. Commun. Image Represent. (2021)
Keyphrases
- image super resolution
- sparse representation
- dictionary learning
- regularized least squares
- sparse coding
- image patches
- image classification
- face recognition
- super resolution
- higher order
- signal processing
- image representation
- image registration
- low resolution
- high dimensional data
- test images
- natural images
- linear combination
- class specific
- small number
- data analysis
- kernel regression
- high quality
- data mining