Speech reconstruction via sparse representation using harmonic regularization.
Yibin TangYing ChenNing XuChangping ZhuLin ZhouPublished in: WCSP (2015)
Keyphrases
- sparse representation
- compressed sensing
- compressive sensing
- reconstruction error
- sparse reconstruction
- dictionary learning
- sparsity constraints
- sparse coding
- norm minimization
- group sparsity
- structured sparsity
- image classification
- image super resolution
- face recognition
- single image super resolution
- regularized least squares
- random projections
- signal processing
- high dimensional data
- image representation
- dimensionality reduction
- negative matrix factorization
- joint optimization
- image reconstruction
- image patches
- sparse approximations
- sparse signal representation
- test images
- three dimensional
- piecewise smooth
- reproducing kernel hilbert space
- convex optimization
- pattern recognition
- feature selection
- machine learning
- neural network