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Venice, Italy
Sept. 27, 1999 to Sept. 29, 1999
ISBN: 0-7695-0040-4
pp: 303
Hung-Chih Chiang , Ohio State University
Randolph L. Moses , Ohio State University
William W. Irving , Alphatech Incorporated
We present a model for classification performance estimation for synthetic aperture radar (SAR) automatic target recognition. We adopt a model-based approach, in which classification is performed by comparing a feature vector extracted from a measured SAR image chip with a feature vector predicted from a hypothesized target class and pose. The feature vectors are compared using a Bayes likelihood match metric that incorporates uncertainty in both the predicted and extracted feature vectors. The feature vectors parameterize dominant scattering centers on the target, and include attributes that characterize frequency and angle dependence of scattering centers. We develop Bayes matchers that incorporate two different feature correspondence methods. Finally, we compare performance using measured SAR imagery for a 10-class problem under various match operating scenarios.
Hung-Chih Chiang, Randolph L. Moses, William W. Irving, "Performance Estimation of Model-Based Automatic Target Recognition Using Attributed Scattering Center Features", ICIAP, 1999, Image Analysis and Processing, International Conference on, Image Analysis and Processing, International Conference on 1999, pp. 303, doi:10.1109/ICIAP.1999.797612
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