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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Koch, W. |
| Copyright Year | 2009 |
| Description | Author affiliation: German Defence Research Establishment, Wachtberg, Germany (Koch, W.) |
| Abstract | In target tracking applications, the full information on the kinematic target states accumulated over a certain time window up to the present time is contained in the joint probability density function of these state vectors, given the time series of all sensor data. This joint density may also be called an Accumulated State Density (ASD) and provides a unified treatment of filtering and retrodiction insofar as by marginalizing the ASD, the standard filtering and retrodiction densities are obtained. In addition, ASDs fully describe the correlations between the state estimates produced for different instants of time. The paper discusses the notion of ASDs and closed formulae for calculating them. The practical usefulness of considering ASDs is illustrated by applications, where out-of-sequence (OoS) measurements are to be processed within the framework of a centralized measurement fusion architecture, i.e. when the sensor data do not arrive in the temporal order, in which they were produced. The approach can be applied to Kalman-, MHT-, and IMM filtering. |
| Starting Page | 2201 |
| Ending Page | 2208 |
| File Size | 505380 |
| Page Count | 8 |
| File Format | |
| ISBN | 9780982443804 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-07-06 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | ISIF |
| Subject Keyword | Density measurement Variable speed drives Filtering Target tracking Sensor fusion Kalman filters Time measurement Kinematics Probability density function State estimation Kalman/MHT/IMM filtering Accumulated target states out-of-sequence measurements (OoS) |
| Content Type | Text |
| Resource Type | Article |
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