Asynchronous sensor registration via Expectation Maximisation

A solution to the problem of sensor bias estimation is presented for a multiple target scenario with asynchronous sensors. Expectation maximisation is used to decouple the target state and sensor bias estimation problems by treating the target states as missing data. The approach is compared with th...

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Bibliographic Details
Published in2008 International Conference on Radar pp. 622 - 626
Main Authors Davey, S.J., Cheung, B.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.2008
Subjects
Approximation methods
Azimuth
Convergence
Estimation
Estimation error
Robot sensing systems
State estimation
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Summary:A solution to the problem of sensor bias estimation is presented for a multiple target scenario with asynchronous sensors. Expectation maximisation is used to decouple the target state and sensor bias estimation problems by treating the target states as missing data. The approach is compared with the EX method, which solves the bias estimation problem by using differences between measurements from different sensors.
ISBN:9781424423217
142442321X
ISSN:1097-5764
2640-7736
DOI:10.1109/RADAR.2008.4653997