Second-generation PHD/CPHD filters and multitarget calculus

Ronald Mahler

doi:10.1117/12.826960

3 September 2009 Second-generation PHD/CPHD filters and multitarget calculus

Ronald Mahler

Proceedings Volume 7445, Signal and Data Processing of Small Targets 2009; 74450I (2009) https://doi.org/10.1117/12.826960
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

The "classical" PHD and CPHD filters presume the standard "small-target" detection model. This year, in a series of theoretical studies, I have derived new "second-generation" CPHD/PHD filters for various sensing conditions that cannot be described by the standard model. These are: (a) multisensor, (b) clutter estimation, (c) tracking in unknown clutter, (d) extended targets, (e) unresolved targets, and (f) superpositional sensors. A common factor underlies all of these derivations: the FISST multitarget calculus. It is possible, given that one already knows the correct "answer," to reverse engineer the classical PHD/CPHD filters and to extemporize some "elementary" means of deriving them. But only the multitarget calculus is guaranteed to result in theoretically rigorous formulas for new problems-i.e., those for which the answer is not known beforehand. I also announce an important new result: the multitarget state estimators used with the CPHD/PHD filters are Bayes-optimal.

Citation Download Citation

Ronald Mahler "Second-generation PHD/CPHD filters and multitarget calculus", Proc. SPIE 7445, Signal and Data Processing of Small Targets 2009, 74450I (3 September 2009); https://doi.org/10.1117/12.826960

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