Application of wavelet transform and wavelet thresholding in robust sub-band speech recognition.
Babak NasersharifAhmad AkbariPublished in: EUSIPCO (2004)
Keyphrases
- wavelet transform
- subband
- speech recognition
- wavelet coefficients
- image compression
- multiresolution
- high frequency
- wavelet domain
- wavelet decomposition
- low frequency
- multiscale
- filter bank
- feature extraction
- image coding
- bit rate
- hidden markov models
- wavelet packet transform
- lifting scheme
- language model
- frequency domain
- pattern recognition
- discrete wavelet transform
- image denoising
- feature selection
- neural network
- natural images
- signal processing
- image data
- feature vectors
- inter frame
- image processing
- locally adaptive