Keyphrases
- sparse representation
- eeg signals
- signal processing
- eeg data
- brain activity
- epileptic seizures
- dictionary learning
- sparse coding
- blind source separation
- image classification
- brain computer interface
- compressed sensing
- joint optimization
- random projections
- negative matrix factorization
- compressive sensing
- object tracking
- reconstruction error
- high dimensional data
- face recognition
- image patches
- independent component analysis
- sparse approximations
- regularized least squares
- sparse coefficients
- pattern recognition
- dimensionality reduction
- denoising
- piecewise smooth
- sparse reconstruction
- image processing
- nonnegative matrix factorization
- higher order
- nearest neighbor
- data sets