Parallel and Hierarchical Decision Making for Sparse Coding in Speech Recognition.
Dong WangRavichander VipperlaNicholas W. D. EvansPublished in: INTERSPEECH (2011)
Keyphrases
- speech recognition
- sparse coding
- dictionary learning
- natural images
- sparse representation
- unsupervised learning
- image classification
- hidden markov models
- linear combination
- image representation
- pattern recognition
- speech signal
- automatic speech recognition
- language model
- speech recognizer
- visual words
- speech synthesis
- discriminative dictionary
- image patches
- generative model
- speaker identification
- speech recognition systems
- high dimensional
- sparse codes
- image features
- feature space
- multiscale
- information retrieval
- data mining
- higher order
- face recognition
- neural network