Independent Component Analysis (ICA) is a kind of powerful method for Blind Signal Processing (BSP). It becomes more and more important while using in widely fields, such as telecommunications, audio signal separation, biomedical signal processing, and image processing. Many literatures on ICA were published and lots of algorithms were proposed during the past ten years in a large number of journals and conference proceedings. ICA becomes one of the most exciting new topics both in the fields of signal proc...