Embedding time warping in exemplar-based sparse representations of speech.
Emre YilmazJort F. GemmekeHugo Van hammePublished in: ICASSP (2013)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- compressive sensing
- image classification
- joint optimization
- high dimensional data
- random projections
- negative matrix factorization
- regularized least squares
- image representation
- image patches
- compressed sensing
- similarity search
- signal processing
- dimensionality reduction
- test images
- manifold learning
- feature representation
- subspace learning
- pattern recognition
- sparse reconstruction
- total variation
- single image super resolution
- sparse coefficients
- norm regularization
- data sets
- decision trees