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SCIENCE CHINA Information Sciences, Volume 59, Issue 12: 122306(2016) https://doi.org/10.1007/s11432-016-5570-4

Multiple hypothesis tracking based on the Shiryayev sequential probability ratio test

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  • ReceivedOct 3, 2015
  • AcceptedJan 5, 2016
  • PublishedJun 27, 2016

Abstract

To date, Wald sequential probability ratio test (WSPRT) has been widely applied to track management of multiple hypothesis tracking (MHT). But in a real situation, if the false alarm spatial density is much larger than the new target spatial density, the original track score will be very close to the deletion threshold of the WSPRT. Consequently, all tracks, including target tracks, may easily be deleted, which means that the tracking performance is sensitive to the tracking environment. Meanwhile, if a target exists for a long time, its track will have a high score, which will make the track survive for a long time even after the target has disappeared. In this paper, to consider the relationship between the hypotheses of the test, we adopt the Shiryayev SPRT (SSPRT) for track management in MHT. By introducing a hypothesis transition probability, the original track score can increase faster, which solves the first problem. In addition, by setting an independent SSPRT for track deletion, the track score can decrease faster, which solves the second problem. The simulation results show that the proposed SSPRT-based MHT can achieve better tracking performance than MHT based on the WSPRT under a high false alarm spatial density.


Funded by

National Natural Science Foundation of China(61471019)

National Natural Science Foundation of China(61501011)


Acknowledgment

Acknowledgments

This work was supported by National Natural Science Foundation of China (Grant Nos. 61471019, 61501011).


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