Grassmannian sparse representations.
Sherif AzaryAndreas E. SavakisPublished in: J. Electronic Imaging (2015)
Keyphrases
- sparse representation
- subspace learning
- dictionary learning
- sparse coding
- face recognition
- image classification
- compressive sensing
- signal processing
- compressed sensing
- negative matrix factorization
- image representation
- high dimensional data
- joint optimization
- random projections
- manifold learning
- dimensionality reduction
- image patches
- pattern recognition
- regularized least squares
- sparse reconstruction
- discriminant analysis
- data sets
- feature representation
- image data
- neural network