On the Relationship Between Bayes Risk and Word Error Rate in ASR.
Ralf SchlüterMarkus Nußbaum-ThomHermann NeyPublished in: IEEE Trans. Speech Audio Process. (2011)
Keyphrases
- bayes risk
- word error rate
- automatic speech recognition
- speech recognition
- error rate
- language model
- loss function
- upper and lower bounds
- handwriting recognition
- broadcast news
- speech signal
- distortion measure
- hidden markov models
- reproducing kernel hilbert space
- regularization parameter
- posterior probability
- squared error
- language modeling
- noisy environments
- vector quantization
- word level
- video sequences
- n gram
- model selection
- denoising
- probabilistic model