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Robust Multi-Target Tracking Algorithm Based on Automotive Millimeter-Wave Radar
ISSN: 0148-7191, e-ISSN: 2688-3627
Published August 07, 2018 by SAE International in United States
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Automotive radar can be used to detect pedestrians and vehicles and keep stable tracking of the targets. Multi-targets tracking is the key techniques when tracking in the complicated road condition. Some targets may lose alarm and there may be some false targets among the measurement because the radar would be affected seriously in the complicated road condition especially by the clutter and multipath effect. Tracking can solve the effect of the false targets to a certain extent and provide a stable and accurate state of the targets. How to associate the track and the measurement is important in multi-targets tracking system. A robust tracking algorithm using joint integrated probabilistic data association and interactive multi-model (JIPDA-IMM) is proposed. Unlike the nearest neighbor method, all the possible combinations of track measurement assignments are considered and the probabilities of the joint events are calculated. The probabilities of the individual track are calculated recursively which allow us confirm and delete the tracks. Meanwhile targets may maneuver when the vehicles change the lanes in the fast-changing road conditions. Traditional method has a low tracking precision because it assumes the targets motion are known and the predict state is calculated using the hypothetical state equation. Interactive multi-model (IMM) filter is used to solve the problem which assumes the motion of the target may be interactive of the multi-models and weights the result of each model. Some typical road condition is simulated to show the effectiveness of the algorithm comparing to other algorithm.
CitationWang, X. and Yi Cheng, J., "Robust Multi-Target Tracking Algorithm Based on Automotive Millimeter-Wave Radar," SAE Technical Paper 2018-01-1601, 2018, https://doi.org/10.4271/2018-01-1601.
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