Maximum entropy and MCE based HMM stream weight estimation for audio-visual ASR.
Guillaume GravierScott AxelrodGerasimos PotamianosChalapathy NetiPublished in: ICASSP (2002)
Keyphrases
- maximum entropy
- multi stream
- audio visual
- audio visual speech recognition
- hidden markov models
- multi modal
- maximum entropy principle
- conditional random fields
- automatic speech recognition
- visual information
- principle of maximum entropy
- minimum cross entropy
- speech recognition
- transformation based learning
- multimedia
- visual data
- temporal context
- visual features
- markov random field
- speech signal
- image data
- spatio temporal
- data streams
- computer vision
- data sets