Subband feature extraction using lapped orthogonal transform for speech recognition.
Zekeriya TufekciJohn N. GowdyPublished in: ICASSP (2001)
Keyphrases
- speech recognition
- subband
- coding gain
- wavelet transform
- feature extraction
- image coding
- feature vectors
- adaptive wavelet
- filter bank
- transform coefficients
- frequency domain
- subband decomposition
- pattern recognition
- perfect reconstruction
- wavelet coefficients
- image compression
- multiresolution
- cepstral coefficients
- hidden markov models
- low pass
- high frequency
- wavelet decomposition
- transform coding
- speaker identification
- language model
- high pass
- bit rate
- wavelet domain
- discrete wavelet transform
- face recognition
- image coder
- low frequency
- wavelet packet
- feature space
- image processing
- speech signal
- linear prediction
- texture features
- image classification
- multiscale
- feature set
- support vector machine
- spatial domain
- gaussian mixture model
- wavelet filters
- vector quantization
- principal component analysis
- wavelet subbands
- frequency band