Blind source separation with different sensor spacing and filter length for each frequency range.
Hiroshi SawadaShoko ArakiRyo MukaiShoji MakinoPublished in: NNSP (2002)
Keyphrases
- blind source separation
- independent component analysis
- non stationary
- source separation
- sensor data
- adaptive particle swarm optimization
- blind separation
- sensor networks
- speech signal
- negative matrix factorization
- sparse representation
- mixing matrix
- algebraic equations
- eigenvalue decomposition
- factor analysis
- noise reduction
- independent components analysis
- multiresolution
- feature selection
- source signals
- signal processing