Publications [#60404] of Leslie M. Collins

Papers Published

1. Subotic, Nikola S. and Collins, Leslie M. and Gorman, John D. and Thelen, Brian J., Multiresolution approach to target detection in synthetic aperture radar data, Conference Record of the Asilomar Conference on Signals, Systems & Computers, vol. 1 (1994), pp. 122 - 126, Pacific Grove, CA, USA [ACSSC.1994.471429]
   (last updated on 2007/04/11)

   Abstract:
   We demonstrate the utility of a multiresolution approach for target detection in SAR imagery. In particular, man-made objects exhibit characteristic phase and amplitude fluctuations as the image resolution is varied, while natural terrain (i.e., clutter) has a random signature. We show that the multiresolution clutter process decomposes into a Brownian motion process in resolution. We then construct an optimal invariant multiresolution detector based on a derived multiresolution increments process and show that it significantly outperforms a standard energy detector operating on the finest available SAR resolution.

   Keywords:
   Synthetic aperture radar;Optical resolving power;Brownian movement;Algorithms;Backscattering;Radar cross section;Detectors;Mathematical models;Statistics;Radar clutter;