Principal components of vocal-tract area functions and inversion of vowels by linear regression of cepstrum coefficients.
Parham MokhtariTatsuya KitamuraHironori TakemotoKiyoshi HondaPublished in: J. Phonetics (2007)
Keyphrases
- linear regression
- vocal tract
- principal components
- principal component regression
- linear prediction
- regression methods
- speech signal
- speech synthesis
- least squares
- principal component analysis
- image acquisition
- ridge regression
- nonlinear regression
- feature set
- regression method
- speech recognition
- dimensionality reduction
- speech sounds
- image coding
- vowel phonemes
- neural network
- partial least squares
- prediction error
- feature selection
- covariance matrix
- worst case
- optical flow
- high dimensional
- lower bound
- similarity measure