Exemplar selection techniques for sparse representations of speech using multiple dictionaries.
Emre YilmazJort F. GemmekeHugo Van hammePublished in: EUSIPCO (2013)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- image classification
- image patches
- signal processing
- compressive sensing
- object tracking
- image representation
- joint optimization
- compressed sensing
- dimensionality reduction
- high dimensional data
- test images
- manifold learning
- multiscale
- neural network
- random projections
- regularized least squares
- orthogonal matching pursuit
- negative matrix factorization
- speech recognition
- object recognition
- data analysis
- decision trees
- sparse reconstruction
- data sets
- sparse coefficients