Resolution enhancement of textual images via multiple coupled dictionaries and adaptive sparse representation selection.
Rim WalhaFadoua DriraFrank LebourgeoisChristophe GarciaAdel M. AlimiPublished in: Int. J. Document Anal. Recognit. (2015)
Keyphrases
- sparse representation
- resolution enhancement
- image classification
- test images
- dictionary learning
- sparse coding
- image data
- face recognition
- image patches
- image representation
- signal processing
- input image
- image features
- image resolution
- super resolution
- ground truth
- high dimensional data
- image matching
- dimensionality reduction
- visual analysis
- three dimensional
- image registration
- machine learning
- high dimensional
- low resolution
- pairwise
- pattern recognition
- image retrieval
- data sets
- nearest neighbor