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"Statistics 101" for multisensor, multitarget data fusion

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1 Author(s)
Mahler, R.P.S. ; Lockheed Martin NE&SS Tactical Syst., Eagan, MN, USA

This tutorial summarizes the motivations, concepts, techniques, and applications of finite-set statistics (FISST), a system-level, "top-down" direct generalization of ordinary single-sensor, single-target engineering statistics to the multisensor, multitarget realm. FISST provides powerful new conceptual and computational methods for dealing with multisensor, multitarget, and multi-evidence data fusion problems. The paper begins with a broad-brush overview of the basic concepts of FISST. It describes how conventional single-sensor, single-target formal Bayesian modeling is carefully extended to general data fusion problems. We examine a simple example: joint detection and tracking of a possibly non-existent maneuvering target in heavy clutter. The tutorial concludes with a commentary on certain criticisms of FISST.

Published in:

Aerospace and Electronic Systems Magazine, IEEE  (Volume:19 ,  Issue: 1 )