TRACKING DEVICE WITH DEFERRED ACTIVATION AND PROPAGATION OF PASSIVE TRACKS

摘要

A tracking device estimates a track for at least one possible target and is configured to receive incoming measurements and process measurements and tracks. The device has a storage device and a computational device and an association module to calculate an association between a measurement and a track. The device further has an output module to output a sequence of track updates from an assignment module maintaining a set of active tracks using the association module as a function of active tracks and the incoming measurements to calculate associations, containing possible track updates and deciding which track updates to keep in the active tracks set and which to add to a passive tracks set. Computations on the passive tracks may be deferred until at least one passive track handling criterion is fulfilled. The computational device may activate and transfer a passive track from the passive set to the active set.

主权项

1. A tracking device configured to estimate a track for at least one possible target and configured to receive incoming measurements and to process measurements and tracks, which tracking device is configured with a storage and a computational device having a computational capacity and configured with:
an association module configured to calculate an association between a measurement and a track; an output module configured to output a sequence of track updates from an assignment module; an assignment module maintaining configured to maintain a set of active tracks and, using the association module to calculate associations between active tracks and the incoming measurements, the calculated associations containing possible track updates, deciding which track updates to keep in the set of active tracks and which track updates to add to a set of passive tracks, the set of passive tracks comprises tracks which are not updated when new measurements are received at the tracker; the computational device being configured to: defer computations on the set of passive tracks until at least one passive track handling criterion is fulfilled, activate at least one passive track from the set of passive tracks and transfer the at least one passive track from the set of passive tracks to the set of active tracks by at least one of the computations.