Fast Convergence Blind Source Separation Using Frequency Subband Interpolation by Null Beamforming.
Keiichi OsakoYoshimitsu MoriYu TakahashiHiroshi SaruwatariKiyohiro ShikanoPublished in: IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2008)
Keyphrases
- blind source separation
- subband
- low frequency
- high frequency
- filter bank
- independent component analysis
- image compression
- wavelet transform
- multiresolution
- non stationary
- bit rate
- frequency domain
- discrete wavelet transform
- wavelet coefficients
- high pass
- source separation
- feature vectors
- blind separation
- wavelet decomposition
- wavelet domain
- low pass
- negative matrix factorization
- convergence rate
- speech signal
- frequency band
- multiscale
- image denoising
- sparse representation
- natural images