Informed Group-Sparse Representation for Singing Voice Separation.
Tak-Shing T. ChanYi-Hsuan YangPublished in: CoRR (2018)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- image classification
- compressed sensing
- reconstruction error
- image representation
- compressive sensing
- signal processing
- sparse approximations
- negative matrix factorization
- joint optimization
- object tracking
- image patches
- random projections
- regularized least squares
- high dimensional data
- sparse reconstruction
- piecewise smooth
- norm minimization
- sparse codes
- facial expressions
- blind source separation
- database
- pattern recognition
- feature space
- basis vectors
- sparsity constraints
- dimensionality reduction