Group Sparsity for Speaker Identity Discrimination in Factorisation-based Speech Recognition.
Antti HurmalainenRahim SaeidiTuomas VirtanenPublished in: INTERSPEECH (2012)
Keyphrases
- speech recognition
- group sparsity
- structured sparsity
- sparse coding
- dictionary learning
- low rank
- automatic speech recognition
- hidden markov models
- sparse representation
- language model
- speaker identification
- speech signal
- pattern recognition
- speech synthesis
- speaker independent
- statistical learning
- speaker dependent
- discriminative power
- speaker diarization
- speech recognizer
- speaker recognition
- speech recognition systems
- image classification
- noisy environments
- information retrieval
- neural network
- speaker adaptation
- image processing
- feature space
- semi supervised
- high dimensional
- face recognition
- acoustic models
- missing data
- convex optimization