Sparse representation and epoch estimation of voiced speech.
Jake GuntherTodd K. MoonPublished in: WASPAA (2013)
Keyphrases
- sparse representation
- speech signal
- dictionary learning
- speech processing
- sparse coding
- signal processing
- face recognition
- emotion recognition
- speech recognition
- random projections
- compressed sensing
- compressive sensing
- image classification
- piecewise smooth
- negative matrix factorization
- image representation
- joint optimization
- image patches
- high dimensional data
- regularized least squares
- test images
- dimensionality reduction
- sparse reconstruction
- automatic speech recognition
- high dimensional
- pattern recognition
- norm minimization
- sparse approximations
- speech segments
- object recognition
- convex optimization
- neural network
- sparse learning
- audio stream