On Sparse Representations in Arbitrary Redundant Bases.
Jean-Jacques FuchsPublished in: IEEE Trans. Inf. Theory (2004)
Keyphrases
- sparse representation
- sparse coefficients
- dictionary learning
- sparse coding
- image classification
- face recognition
- compressive sensing
- joint optimization
- object tracking
- random projections
- image patches
- regularized least squares
- reconstruction error
- image representation
- dimensionality reduction
- negative matrix factorization
- high dimensional data
- signal processing
- compressed sensing
- sparse reconstruction
- data sets
- machine learning
- test images