A first step to convolutive sparse representation.
Hamed FirouziMassoud Babaie-ZadehAria Ghasemian SahebiChristian JuttenPublished in: ICASSP (2008)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- compressive sensing
- image patches
- image classification
- compressed sensing
- reconstruction error
- joint optimization
- object tracking
- signal processing
- sparse approximations
- image representation
- negative matrix factorization
- random projections
- piecewise smooth
- dimensionality reduction
- neural network
- norm minimization
- sparse reconstruction
- sparse coefficients
- basis vectors
- regularized least squares
- multiscale
- sparsity constraints
- sparse learning
- data mining
- database
- intrinsic image decomposition