Convolutive blind source separation based on GDFT filterbanks and pre-determined subband whitening.
Ebrahim GhanavatiHamid SheikhzadehKaamran RaahemifarAmin KheradmandPublished in: EUSIPCO (2011)
Keyphrases
- blind source separation
- pre determined
- subband
- subband coding
- filter bank
- independent component analysis
- wavelet transform
- bit rate
- image compression
- multiresolution
- non stationary
- feature vectors
- wavelet decomposition
- wavelet coefficients
- high frequency
- low frequency
- blind separation
- frequency domain
- perfect reconstruction
- block size
- discrete wavelet transform
- low pass
- negative matrix factorization
- wavelet domain
- principal component analysis
- source signals
- wavelet packet
- sparse representation
- motion vectors
- reconstruction error
- wavelet filters
- speech signal
- image coding
- video coding
- macroblock
- spatial domain