Anomaly detection using the hyperspectral polarimetric imaging testbed

David B. Cavanaugh; Kenneth R. Castle; Wayne Davenport

doi:10.1117/12.666133

4 May 2006 Anomaly detection using the hyperspectral polarimetric imaging testbed

David B. Cavanaugh, Kenneth R. Castle, Wayne Davenport

Proceedings Volume 6233, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XII; 62331Q (2006) https://doi.org/10.1117/12.666133
Event: Defense and Security Symposium, 2006, Orlando (Kissimmee), Florida, United States

Abstract

The Hyperspectral Polarimetric Imaging Testbed contains a VNIR, SWIR, and three-axis imaging polarimeter, each operating simultaneously through a common fore-optic. The system was designed for the detection of man-made objects in natural scenes. The imagery produced by the various imaging legs of the system is readily fused, due to the identical image format, FOV and IFOV of each optical leg. The fused imagery is shown to be useful for the detection of a variety of man-made surfaces. This paper describes the general design and function of the mature system, the Stochastic Gaussian Classifier processing method used for hyperspectral anomaly detection, the polarimetric image processing methods, and a logical decision structure for the identification of various surface types. The paper will also describe in detail the detection results for a variety of targets obtained in field testing conducted with the system.

Citation Download Citation

David B. Cavanaugh, Kenneth R. Castle, and Wayne Davenport "Anomaly detection using the hyperspectral polarimetric imaging testbed", Proc. SPIE 6233, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XII, 62331Q (4 May 2006); https://doi.org/10.1117/12.666133

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