An AFK-SVD Sparse Representation Approach for Speech Signal Processing.
Fenglian LiXueying ZhangHongle ZhangYu-Chu TianPublished in: IIH-MSP (2) (2017)
Keyphrases
- sparse representation
- signal processing
- singular value decomposition
- reconstruction error
- dictionary learning
- sparse coding
- image processing
- pattern recognition
- compressive sensing
- random projections
- compressed sensing
- speech signal
- dimensionality reduction
- image patches
- regularized least squares
- sparse approximations
- joint optimization
- subspace learning
- fourier transform
- negative matrix factorization
- computer vision
- higher order
- singular values
- natural images
- piecewise smooth
- norm minimization
- sparsity constraints
- sparse learning
- sparse reconstruction
- sparse coefficients
- least squares