Exemplar-based sparse representation and sparse discrimination for noise robust speaker identification.
Rahim SaeidiAntti HurmalainenTuomas VirtanenDavid A. van LeeuwenPublished in: Odyssey (2012)
Keyphrases
- sparse representation
- noisy environments
- speaker identification
- dictionary learning
- sparse coding
- norm minimization
- compressive sensing
- compressed sensing
- sparsity constraints
- face recognition
- image classification
- speech recognition
- joint optimization
- high dimensional data
- noise reduction
- signal processing
- speech signal
- image representation
- image patches
- feature extraction
- random projections
- sparse coefficients
- gaussian mixture model
- dimensionality reduction
- neural network
- missing data
- low level
- signal to noise ratio
- natural images
- text mining
- feature vectors
- feature selection
- data sets