Identification of Matrices Having a Sparse Representation.
Götz E. PfanderHolger RauhutJared TannerPublished in: IEEE Trans. Signal Process. (2008)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- compressive sensing
- image classification
- joint optimization
- image representation
- random projections
- dimensionality reduction
- compressed sensing
- signal processing
- singular value decomposition
- image patches
- reconstruction error
- sparse approximations
- piecewise smooth
- regularized least squares
- norm minimization
- sparse reconstruction
- subspace learning
- test images
- high dimensional data
- sparse learning
- sparse codes
- neural network
- sparsity constraints
- singular values
- positive definite
- higher order
- pattern recognition
- feature extraction
- feature selection
- machine learning
- sparse coefficients