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Improve shape unstable object tracking with giou association and conditioned weak update #2130

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Description

  • Implemented 3d GIoU to replace center distance based association in multi_object_tracker_node.
  • Replace angle and IoU gating with GIoU gating to reduce redundant/similar gating method and improve robustness.
  • Implement logic to check significant shape change of unstable object detection based on area change & GIoU thresholds.
  • Implement weak update logic to rely primarily on predicted states to maintain tracking stability on temporary noisy detection.

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How was this PR tested?

TBD

Notes for reviewers

Interface changes

None.

Effects on system behavior

None.

feat: replace angle gate and iou gate with giou gate
feat: check significant shape change (unstable) between tracker and measurement for vehicle trackers
feat: implement weak update which mainly trust predicted states for measurement with significant shape change

Signed-off-by: Jian Kang <[email protected]>
Signed-off-by: Jian Kang <[email protected]>
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