Equivalence Probability and Sparsity of Two Sparse Solutions in Sparse Representation.
Yuanqing LiAndrzej CichockiShun-ichi AmariShengli XieCuntai GuanPublished in: IEEE Trans. Neural Networks (2008)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- sparsity constraints
- sparse approximations
- face recognition
- compressed sensing
- image classification
- signal processing
- compressive sensing
- negative matrix factorization
- sparse reconstruction
- image patches
- high dimensional data
- joint optimization
- sparse coefficients
- random projections
- regularized least squares
- dimensionality reduction
- group sparsity
- image representation
- test images
- neural network
- orthogonal matching pursuit
- semi supervised
- data sets
- sparse learning
- feature selection
- pattern recognition
- higher order