Autofocusing of ground moving target imagery

Edward F. Stockburger; Lawrence P. Orwig

doi:10.1117/12.210846

5 June 1995 Autofocusing of ground moving target imagery

Edward F. Stockburger, Lawrence P. Orwig

Proceedings Volume 2487, Algorithms for Synthetic Aperture Radar Imagery II; (1995) https://doi.org/10.1117/12.210846
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

Interferometric moving target focusing (IMTF) is an interferometric SAR technique which enables high resolution detection, tracking, and imaging of moving ground targets. While IMTF is able to reliably extract clutter canceled moving ground target signatures from three channel interferometric data, traditional SAR autofocusing techniques are unable to reliably focus moving ground target imagery. Because moving ground target motion includes undesired target roll, pitch, and yaw, and for some vehicles, nonrigid body characteristics, more sophisticated autofocusing techniques are needed. This paper briefly presents IMTF and high resolution IMTF imagery. The paper describes promising techniques for the improved focusing of moving ground target imagery. Image improvement is demonstrated by comparing a modified phase gradient autofocusing technique with the unmodified version.

Citation Download Citation

Edward F. Stockburger and Lawrence P. Orwig "Autofocusing of ground moving target imagery", Proc. SPIE 2487, Algorithms for Synthetic Aperture Radar Imagery II, (5 June 1995); https://doi.org/10.1117/12.210846

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