State based sub-band Wiener filters for speech enhancement in car environments.
Aimin ChenSaeed VaseghiPublished in: INTERSPEECH (2000)
Keyphrases
- subband
- wiener filter
- speech enhancement
- perfect reconstruction
- high frequency
- high pass
- filter bank
- discrete wavelet transform
- multiresolution
- wavelet transform
- feature vectors
- lifting scheme
- single channel
- image restoration
- wavelet decomposition
- quadrature mirror
- additive noise
- speech signal
- low frequency
- noise reduction
- pattern recognition
- multiscale
- image enhancement
- wavelet coefficients
- frequency domain
- signal processing
- edge detection
- denoising
- image processing
- computer vision