A Hierarchical Action Recognition System Applying Fisher Discrimination Dictionary Learning via Sparse Representation.
Ruihan BaoTadashi ShibataPublished in: ICAISC (1) (2012)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- face recognition
- image super resolution
- feature extraction
- signal processing
- reconstruction error
- negative matrix factorization
- compressive sensing
- image patches
- image representation
- random projections
- image classification
- sparsity constraints
- group sparsity
- compressed sensing
- high dimensional data
- dimensionality reduction
- feature selection
- sparse codes
- single image super resolution
- test images
- pairwise
- data mining