Dual-sparsity regularized sparse representation for single image super-resolution.
Jinming LiWeiguo GongWeihong LiPublished in: Inf. Sci. (2015)
Keyphrases
- sparse representation
- single image super resolution
- sparse coding
- dictionary learning
- sparsity constraints
- regularized least squares
- sparse reconstruction
- image patches
- orthogonal matching pursuit
- compressive sensing
- image classification
- face recognition
- random projections
- signal processing
- image representation
- high dimensional data
- dimensionality reduction
- least squares
- compressed sensing
- image super resolution
- sparse coefficients
- test images
- image features
- data sets
- high dimensional
- pattern recognition
- multiscale
- computer vision
- machine learning