Keyphrases
- group sparsity
- sparse sampling
- structured sparsity
- compressive sensing
- image reconstruction
- dictionary learning
- low rank
- sparse coding
- medical images
- sparse representation
- high resolution
- unsupervised learning
- discriminative power
- image classification
- regression model
- optimal solution
- high order
- missing data
- linear combination
- statistical learning
- random projections
- higher order
- supervised learning
- signal processing