Subband beamformer combined with time-frequency ICA for extraction of target source under reverberant environments.
Masahito TogamiYohei KawaguchiHiroaki KokuboYasunari ObuchiPublished in: EUSIPCO (2009)
Keyphrases
- subband
- wavelet transform
- frequency domain
- wavelet packet
- filter bank
- multiresolution
- image compression
- wavelet coefficients
- bit rate
- signal processing
- wavelet decomposition
- feature vectors
- independent component analysis
- high frequency
- wavelet domain
- multiscale
- feature extraction
- discrete wavelet transform
- subband coding
- wavelet coding
- locally adaptive
- low frequency
- multipath
- spatial domain
- image coding
- low pass
- subband decomposition
- reconstruction error
- frequency band
- linear prediction
- wavelet filters
- image processing
- computationally efficient
- signal to noise ratio
- hidden markov models
- image coder
- perfect reconstruction
- denoising
- dimensionality reduction
- quadtree
- video coding
- visual quality