A plurality of sparse representations is better than the sparsest one alone.
Michael EladIrad YavnehPublished in: IEEE Trans. Inf. Theory (2009)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- compressive sensing
- face recognition
- image patches
- random projections
- reconstruction error
- compressed sensing
- dimensionality reduction
- image classification
- regularized least squares
- signal processing
- object tracking
- negative matrix factorization
- manifold learning
- high dimensional data
- sparse reconstruction
- image representation
- joint optimization
- image processing
- high resolution
- decision trees
- norm minimization
- machine learning