Optic cup characterization through sparse representation and dictionary learning.
Valery NaranjoCarlos J. SaezSandra MoralesKjersti EnganSoledad GomezPublished in: EUSIPCO (2016)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- image super resolution
- face recognition
- image patches
- compressive sensing
- image classification
- image representation
- signal processing
- compressed sensing
- high dimensional data
- reconstruction error
- random projections
- negative matrix factorization
- group sparsity
- dimensionality reduction
- test images
- feature extraction
- sparsity constraints
- single image super resolution
- high resolution
- data sets
- signal recovery
- natural images
- pattern recognition
- computer vision