Physics based target detection using a hybrid algorithm with an infeasibility metric

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Title: Physics based target detection using a hybrid algorithm with an infeasibility metric
Author: Ientilucci, Emmett; Schott, John
Abstract: This paper develops (and applies) a hybrid target detector that incorporates structured backgrounds and physics based modeling together with a geometric infeasibility metric. More often than not, detection algorithms are usually applied to atmospherically compensated hyperspectral imagery. Rather than compensate the imagery, we take the opposite approach by using a physics based model to generate permutations of what the target might look like as seen by the sensor in radiance pace. The development and status of such a method is presented and applied to the generation of target spaces. The generated target spaces are designed to fully encompass image target pixels while using a limited number of input model parameters. Additionally, a Structured Infeasibility Projector (SIP) is developed which enables one to be more selective in rejecting false alarms. Results on HYDICE data show that the SIP algorithm, in conjunction with a physics based detector, outperforms results from the SAM and SMF algorithms for a target that is both fully sunlit and obscured by a tree canopy.
Description: "Physics based target detection using a hybrid algorithm with an infeasibility metric," Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing. Institute of Electrical and Electronics Engineers. Held in Toulouse, France: 14-19 May 2006. ©2006 Institute of Electrical and Electronics Engineers (IEEE). Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
Record URI: http://hdl.handle.net/1850/4214
Date: 2006-05-19

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