A wavenumber-fitting extrapolation method for FFT-based near-field acoustic holography using microphone array. - Benxu Liu; Bremananth Ramachandran; Andy W. H. Khong (ICASSP, 2011)

A preprocessing method for underdetermined convolutive blind source separation using single-source confidence measure. - Benxu Liu; V. G. Reju; Andy W. H. Khong (ICICS, 2013)

Underdetermined instantaneous blind source separation of sparse signals with temporal structure using the state-space model. - Benxu Liu; V. G. Reju; Andy W. H. Khong (ICASSP, 2013)

A GMM Post-Filter for Residual Crosstalk Suppression in Blind Source Separation. - Benxu Liu; Vaninirappuputhenpurayil Gopalan Reju; Andy W. H. Khong; Vinod Veera Reddy (IEEE Signal Process. Lett., 2014)

A Linear Source Recovery Method for Underdetermined Mixtures of Uncorrelated AR-Model Signals Without Sparseness. - Benxu Liu; Vaninirappuputhenpurayil Gopalan Reju; Andy W. H. Khong (IEEE Trans. Signal Process., 2014)