Sparsity analysis versus sparse representation classifier.
Baochang ZhangSuli JiLi LiShengping ZhangWankou YangPublished in: Neurocomputing (2016)
Keyphrases
- sparse representation
- sparse coding
- dictionary learning
- regularized least squares
- compressive sensing
- face recognition
- training data
- joint optimization
- learning algorithm
- sparse approximations
- image classification
- pattern recognition
- image patches
- negative matrix factorization
- random projections
- sparsity constraints
- sparse reconstruction
- training samples
- signal processing
- image retrieval
- feature space
- data sets