A sparse representation of the excitation source characteristics of nonnormal speech sounds.
Vinay Kumar MittalB. YegnanarayanaPublished in: ISCSLP (2016)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- image classification
- face recognition
- sparse approximations
- speech sounds
- compressed sensing
- compressive sensing
- random projections
- image patches
- high dimensional data
- signal processing
- negative matrix factorization
- regularized least squares
- neural network
- dimensionality reduction
- sparsity constraints
- test images
- image representation
- joint optimization
- sparse reconstruction
- natural images
- n gram
- sparse coefficients
- decision trees