Subband Feature Statistics Normalization Techniques Based on a Discrete Wavelet Transform for Robust Speech Recognition.
Jeih-Weih HungHao-Teng FanPublished in: IEEE Signal Process. Lett. (2009)
Keyphrases
- subband
- speech recognition
- discrete wavelet transform
- feature vectors
- wavelet coefficients
- filter bank
- wavelet transform
- multiresolution
- image compression
- wavelet domain
- high frequency
- hidden markov models
- bit rate
- wavelet transform coefficients
- low frequency
- language model
- contourlet transform
- speech signal
- wavelet decomposition
- shift invariant
- low pass
- frequency domain
- wavelet packet
- pattern recognition
- dual tree
- image coding
- speaker identification
- frequency band
- feature extraction
- lifting scheme
- image denoising
- wavelet filters
- image fusion
- image features
- video sequences
- multiscale