Table of ContentsICA: A Critical Review of Three Prominent Approaches Outline The Blind Source Separation Problem Measures of Independence We Will Investigate Three Approaches Pierre Comon: Setup - Minimizing MI Comon: Approximating the MI Comon: Simplifying the Contrast Comon: Differentiating the Contrast Comon: Comments Amari: Setup Amari: Approximating the MI Amari: Natural Gradient Amari: Empirical Results Amari: Comments Bell and Sejnowski: Infomax Framework B & S: the Entropy is the Contrast B & S: Taking the Gradient B & S: What does it really mean? B & S: Cardoso’s take B & S: Cardoso’s Implications B & S: Comments Comparison of the Approaches Extensions: Empirical Studies Ext’s: Correlated Components Analysis Cond. Indep. Comp. Analysis (CICA) Cond. Indep. Comp. Anl. (continued) ICA-based clustering Phase-Aligned ICA Conclusions |
Author: Sumit Basu
Email: sbasu@media.mit.edu Home Page: http://www.media.mit.edu/~sbasu |