Estimating VDT Mental Fatigue Using Multichannel Linear Descriptors and KPCA-HMM.
Chong ZhangChongxun ZhengXiaolin YuYi OuyangPublished in: EURASIP J. Adv. Signal Process. (2008)
Keyphrases
- hidden markov models
- feature vectors
- face recognition
- linear prediction
- keypoints
- shape descriptors
- conditional random fields
- linear systems
- feature descriptors
- rigid body
- multi stream
- forward backward
- speech recognition
- kernel methods
- machine learning
- speech signal
- principal components analysis
- kernel pca
- feature space