A new heuristic algorithm-ant colony optimization and its basical theory are introduced in this article to solve the complicated and optimized questions.This method simulates the course of ant searching food to solve this kind of questions.It has the

We present the technique of the ICA with Reference (ICA-R) to extract an interesting subset of independent sources from their linear mixtures when some a priori information of the sources are available in the form of rough templates (references). T