A Simple and Robust Fastica Algorithm Using the Huber M-Estimator Cost Function. - Jih-Cheng Chao; Scott C. Douglas (ICASSP (5), 2006)

A Robust Complex FastICA Algorithm Using the Huber M-Estimator Cost Function. - Jih-Cheng Chao; Scott C. Douglas (ICA, 2007)

Simple, Robust, and Memory-Efficient FastICA Algorithms Using the Huber M-Estimator Cost Function. - Scott C. Douglas; Jih-Cheng Chao (J. VLSI Signal Process., 2007)

Using piecewise linear nonlinearities in the natural gradient and FastICA algorithms for blind source separation. - Jih-Cheng Chao; Scott C. Douglas (ICASSP, 2008)