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Proceedings Paper

Model-based vision using geometric hashing
Author(s): Alexander Akerman; Ronald Patton
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Paper Abstract

The Geometric Hashing technique developed by the NYU Courant Institute has been applied to various automatic target recognition applications. In particular, I-MATH has extended the hashing algorithm to perform automatic target recognition ofsynthetic aperture radar (SAR) imagery. For this application, the hashing is performed upon the geometric locations of dominant scatterers. In addition to being a robust model-based matching algorithm -- invariant under translation, scale, and 3D rotations of the target -- hashing is of particular utility because it can still perform effective matching when the target is partially obscured. Moreover, hashing is very amenable to a SIMD parallel processing architecture, and thus potentially realtime implementable.

Paper Details

Date Published: 1 April 1991
PDF: 10 pages
Proc. SPIE 1406, Image Understanding in the '90s: Building Systems that Work, (1 April 1991); doi: 10.1117/12.47969
Show Author Affiliations
Alexander Akerman, I-Math Associates, Inc. (United States)
Ronald Patton, I-Math Associates, Inc. (United States)


Published in SPIE Proceedings Vol. 1406:
Image Understanding in the '90s: Building Systems that Work

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