Schweizer-Wolff contrast for Independent Component Analysis algorithm is described in S. Kirshner, B. Poczos, "ICA and ISA Using Schweizer-Wolff Measure of Dependence," ICML 2008.  The software is implemented in Matlab with several routines further optimized using Mex/C++.  The software is distributed under BSD license; please read the terms before downloading and using the software.

Download the software.

The software is provided as is.  Unfortunately, at this time, I have no bandwidth to make modifications or to troubleshoot potential problems.