Novel Variations of Group Sparse Regularization Techniques With Applications to Noise Robust Automatic Speech Recognition.
Qun Feng TanShrikanth S. NarayananPublished in: IEEE Trans. Speech Audio Process. (2012)
Keyphrases
- automatic speech recognition
- noisy environments
- speech recognition
- rank minimization
- speech signal
- hidden markov models
- noise reduction
- broadcast news
- word error rate
- speech retrieval
- sparse representation
- spoken words
- neural network
- noise model
- word recognition
- spontaneous speech
- feature extraction
- mixed norm
- noise removal
- signal to noise ratio
- document retrieval
- structured sparsity
- conversational speech
- speech corpus
- compound words
- computer vision