Blind Source Separation By Local Interaction Of Output Signals (2007)
John Fisher Iii, John W. Fisher, Iii José, C. Principe
We compare independent component analysis (ICA) [Bell and Sejnowski, 1995] to an alternative method [Fisher and Principe, 1996] for blind source separation of instantaneous linear mixtures. The...
Attributing scatterer anisotropy for model based ATR (2000)
Andrew Kim, Sinan Dogan, John Fisher Iii, Olph Moses, Alan Willsky
Scattering from man-made objects in SAR imagery often exhibit aspect and frequency dependences which are not well modeled by standard SAR imaging techniques. If ignored, these deviations may reduce...
A Nonparametric Methodology for Information Theoretic Feature Extraction (1997)
John Fisher Iii, John W. Fisher, Iii José, C. Principe
We present a new information theoretic approach for training a system in a self-organized or supervised manner. Information theoretic signal processing looks beyond the second order statistical...
Target Prescreening Based on 2D Gamma Kernels (1995)
Jose Principe, Alex Radisavljevic, Munchurl Kim, John Fisher Iii, Leslie M. Novak
This work develops and tests a new target prescreening algorithm based on 2D gamma kernels. The key feature of the new kernel set is the existence of a free parameter that determines the size of its...
Target Prescreening based on a Quadratic Gamma Discriminator
Jose C. Principe, John Fisher, Jose C. Principe, Jose C. Principe, ...
This paper presents the development, analysis and validation of a new target discrimination module for synthetic aperture radar (SAR) imagery based on an extension of gamma functions to 2-D. Using...
A Novel Measure for Independent Component Analysis (ICA)
Dongxin Xu, Jose C. Principe, John Fisher, John Fisher Iii, Hsiao-Chun Wu
Measures of independence (and dependence) are fundamental in many areas of engineering and signal processing. Shannon introduced the idea of Information Entropy which has a sound theoretical...