Image Super-Resolution via Sparse Representation over Coupled Dictionary Learning Based on Patch Sharpness.
Faezeh YeganliMahmoud NazzalMurat UnalHüseyin ÖzkaramanliPublished in: EMS (2014)
Keyphrases
- image super resolution
- dictionary learning
- sparse representation
- image patches
- sparse coding
- image classification
- group sparsity
- face recognition
- sparse codes
- signal processing
- test images
- dimensionality reduction
- high dimensional data
- compressive sensing
- image representation
- edge preserving
- pattern recognition
- class specific
- machine learning
- sparsity constraints
- data sets
- ground truth
- high quality
- data mining
- neural network