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PnPNet: End-to-End Perception and Prediction With Tracking in the Loop

CVPR 2020 · Detection and segmentation › Tracking · approach: Memory and correlation-based MOT · 183 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Put online tracking and trajectory-level features in the perception-and-prediction loopPnPNet · nuScenes carsADE (90% TP): 0.75 -> 0.68Helped
Put online tracking and trajectory-level features in the perception-and-prediction loopPnPNet · ATG4D vehiclesMax recall@0.1 IoU: 97.5 -> 99.1Helped
Put online tracking and trajectory-level features in the perception-and-prediction loopPnPNet · ATG4D pedestriansFDE (90% TP): 0.60 -> 0.54Helped
Use the learned discrete-continuous tracker instead of a Kalman-filter trackerPnPNet tracking · nuScenes carAMOTA: 76.1% -> 81.5%Helped
Add explicit motion features to the trajectory representation (ablation)PnPNet · ATG4D vehiclesADE (90% TP): +6.2%Helped
Add single-object tracking to recover occluded tracks (ablation)PnPNet · ATG4D vehiclesMax recall@0.1 IoU: -1.7Helped
Add trajectory rescoring (ablation)PnPNet · ATG4D vehiclesAP@0.5 IoU: -7.9Helped
Add trajectory refinement (ablation)PnPNet · ATG4D vehiclesADE (90% TP): +4.8%Helped
Add the tracking module (ablation)PnPNet · ATG4D vehiclesADE (90% TP): +18%Helped

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