Discriminative sparse representation for speech mode classification.
Kumud TripathiK. Sreenivasa RaoPublished in: ICACCI (2018)
Keyphrases
- sparse representation
- dictionary learning
- image classification
- sparse codes
- sparse coding
- feature extraction
- pattern recognition
- signal processing
- feature selection
- unsupervised learning
- image patches
- random projections
- sparse reconstruction
- regularized least squares
- compressed sensing
- compressive sensing
- face recognition
- dimensionality reduction
- support vector
- subspace learning
- decision trees
- feature vectors
- dimension reduction
- image representation
- discriminative ability
- speech signal
- negative matrix factorization
- text classification
- knn
- norm minimization
- image features
- semi supervised