Journal
IEEE TRANSACTIONS ON SIGNAL PROCESSING
Volume 60, Issue 7, Pages 3827-3834Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSP.2012.2192927
Keywords
Extended target tracking; measurement update; random matrices; variational Bayes
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Funding
- Swedish Research Council under the Linnaeus Center CADICS [621-2010-4301]
- Swedish Research Council under the frame project grant Extended Target Tracking [621-2010-4301]
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This correspondence proposes a new measurement update for extended target tracking under measurement noise when the target extent is modeled by random matrices. Compared to the previous measurement update developed by Feldmann et al., this work follows a more rigorous path to derive an approximate measurement update using the analytical techniques of variational Bayesian inference. The resulting measurement update, though computationally more expensive, is shown via simulations to be better than the earlier method in terms of both the state estimates and the predictive likelihood for moderate amounts of prediction errors.
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