Sub-band feature statistics compensation techniques based on discrete wavelet transform for robust speech recognition.
Hao-Teng FanJeih-Weih HungPublished in: ICME (2009)
Keyphrases
- discrete wavelet transform
- speech recognition
- subband
- feature vectors
- noisy environments
- wavelet domain
- wavelet coefficients
- multiresolution
- high frequency
- hidden markov models
- language model
- low pass
- speech signal
- image fusion
- wavelet transform
- filter bank
- low frequency
- wavelet decomposition
- dual tree
- speaker identification
- lifting scheme
- spatial domain
- frequency domain
- bit rate
- image compression
- pattern recognition
- fusion method
- feature set
- image features
- frequency band
- high quality
- audio signal
- image segmentation