Single Textual Image Super-Resolution Using Multiple Learned Dictionaries Based Sparse Coding.
Rim WalhaFadoua DriraFrank LebourgeoisChristophe GarciaAdel M. AlimiPublished in: ICIAP (2) (2013)
Keyphrases
- image super resolution
- sparse coding
- dictionary learning
- sparse representation
- sparse codes
- image patches
- natural images
- image classification
- image representation
- linear combination
- super resolution
- generative model
- discriminative dictionary
- higher order
- signal processing
- data sets
- low resolution
- high dimensional data
- high dimensional
- feature space
- multiscale
- unsupervised learning
- edge preserving
- nearest neighbor
- image registration
- face recognition