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Proceedings of 1994 28th Asilomar Conference on Signals, Systems and Computers (1994)
Pacific Grove, CA, USA
Oct. 31, 1994 to Nov. 2, 1994
ISSN: 1058-6393
ISBN: 0-8186-6405-3
pp: 122-126
N.S. Subotic , Environ. Res. Inst. of Michigan, Ann Arbor, MI, USA
L.M. Collins , Environ. Res. Inst. of Michigan, Ann Arbor, MI, USA
J.D. Gorman , Environ. Res. Inst. of Michigan, Ann Arbor, MI, USA
B.J. Thelen , Environ. Res. Inst. of Michigan, Ann Arbor, MI, USA
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.<>
INDEX TERMS
synthetic aperture radar, radar imaging, image resolution, radar clutter, radar detection, Brownian motion
CITATION

N. Subotic, L. Collins, J. Gorman and B. Thelen, "A multiresolution approach to target detection in synthetic aperture radar data," Proceedings of 1994 28th Asilomar Conference on Signals, Systems and Computers(ACSSC), Pacific Grove, CA, USA, 1995, pp. 122-126.
doi:10.1109/ACSSC.1994.471429
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