Subband nonstationary noise reduction based on multichannel spatial prediction under reverberant environments.
Masahito TogamiYohei KawaguchiYasunari ObuchiPublished in: ICASSP (2009)
Keyphrases
- non stationary
- noise reduction
- linear prediction
- speech signal
- subband
- filter bank
- wavelet transform
- edge preserving
- image compression
- multiresolution
- signal to noise ratio
- bit rate
- wavelet coefficients
- edge detection
- image coding
- adaptive algorithms
- high frequency
- prediction error
- median filter
- feature vectors
- autoregressive
- additive noise
- wavelet packet
- discrete wavelet transform
- wavelet decomposition
- image coder
- wavelet domain
- frequency band
- random fields
- concept drift
- frequency domain
- low pass
- locally adaptive
- low frequency
- denoising algorithm
- hidden markov models
- predictive coding