Early maritime applications of particle filtering

Henry R Richardson; Lawrence D Stone; W. Reynolds Monach; Joseph H Discenza

doi:10.1117/12.505233

5 January 2004 Early maritime applications of particle filtering

Henry R Richardson, Lawrence D Stone, W. Reynolds Monach, Joseph H Discenza

Proceedings Volume 5204, Signal and Data Processing of Small Targets 2003; (2004) https://doi.org/10.1117/12.505233
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

This paper provides a brief history of some operational particle filters that were used by the U. S. Coast Guard and U. S. Navy. Starting in 1974 the Coast Guard system provided Search and Rescue Planning advice for objects lost at sea. The Navy systems were used to plan searches for Soviet submarines in the Atlantic, Pacific, and Mediterranean starting in 1972. The systems operated in a sequential, Bayesian manner. A prior distribution for the target’s location and movement was produced using both objective and subjective information. Based on this distribution, the search assets available, and their detection characteristics, a near-optimal search was planned. Typically, this involved visual searches by Coast Guard aircraft and sonobuoy searches by Navy antisubmarine warfare patrol aircraft. The searches were executed, and the feedback, both detections and lack of detections, was fed into a particle filter to produce the posterior distribution of the target’s location. This distribution was used as the prior for the next iteration of planning and search.

Citation Download Citation

Henry R Richardson, Lawrence D Stone, W. Reynolds Monach, and Joseph H Discenza "Early maritime applications of particle filtering", Proc. SPIE 5204, Signal and Data Processing of Small Targets 2003, (5 January 2004); https://doi.org/10.1117/12.505233

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