Hierarchical variational loopy belief propagation for multi-talker speech recognition.
Steven J. RennieJohn R. HersheyPeder A. OlsenPublished in: ASRU (2009)
Keyphrases
- speech recognition
- loopy belief propagation
- free energy
- belief propagation
- hidden markov models
- markov random field
- approximate inference
- language model
- pattern recognition
- graphical models
- speech synthesis
- conditional random fields
- speech recognizer
- speech signal
- message passing
- variational methods
- speaker identification
- energy minimization
- image segmentation
- graph cuts
- em algorithm
- competitive learning
- fixed point
- automatic speech recognition
- speech recognition systems
- posterior distribution
- markov chain monte carlo
- exact inference
- neural network
- parameter estimation
- markov chain
- upper bound
- optical flow
- feature vectors
- pairwise
- machine learning