On the Minimal Overcompleteness Allowing Universal Sparse Representation.
Rotem MulayoffTomer MichaeliPublished in: IEEE Trans. Inf. Theory (2019)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- image classification
- reconstruction error
- negative matrix factorization
- image patches
- signal processing
- image representation
- compressive sensing
- compressed sensing
- random projections
- piecewise smooth
- high dimensional data
- sparse approximations
- sparse reconstruction
- regularized least squares
- object tracking
- joint optimization
- norm minimization
- intrinsic image decomposition
- test images
- similarity measure
- neural network