A sparse representation approach for perceptual quality improvement of separated speech.
Donald S. WilliamsonYuxuan WangDeLiang WangPublished in: ICASSP (2013)
Keyphrases
- sparse representation
- quality improvement
- dictionary learning
- sparse coding
- quality assurance
- face recognition
- image classification
- compressed sensing
- signal processing
- image representation
- compressive sensing
- joint optimization
- dimensionality reduction
- quality control
- product quality
- random projections
- image patches
- sparse reconstruction
- regularized least squares
- neural network
- sparse approximations
- human visual system
- high dimensional data
- convex optimization
- sparsity constraints
- image quality
- multiscale