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MOTRv2: Bootstrapping End-to-End Multi-Object Tracking by Pretrained Object Detectors

CVPR 2023 · Detection and segmentation › Tracking · approach: Memory and correlation-based MOT · 255 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use YOLOX proposals as proposal queries (ablation)MOTRv2 · DanceTrack validationHOTA: 57.1 -> 60.7Helped
Add CrowdHuman joint training without YOLOX proposals (ablation)MOTRv2 · DanceTrack validationAssA: 49.5 -> 43.9Hurt
Combine CrowdHuman joint training with YOLOX proposals (ablation)MOTRv2 · DanceTrack validationHOTA: 60.7 -> 63.7Helped
Propagate full boxes instead of center points (ablation)MOTRv2 · DanceTrack validationAssA: 49.2 -> 53.1Helped
Replace learnable positional embeddings with sine-cosine anchor encoding (ablation)MOTRv2 · DanceTrack validationHOTA: 63.8 -> 63.7No clear effect
Encode proposal confidence scores (ablation)MOTRv2 · DanceTrack validationHOTA: 63.0 -> 63.7Helped
Use sine-cosine encoding rather than linear projection for confidence scores (ablation)MOTRv2 · DanceTrack validationAssA: 52.1 -> 53.2Helped
Use query denoising with noise scales 0.4 and 0.4 (ablation)MOTRv2 · DanceTrack validationAssA: 53.2 -> 51.5Hurt
Use query denoising with noise scales 0.1 and 0.05 (ablation)MOTRv2 · DanceTrack validationHOTA: 63.7 -> 64.5Helped
Replace track query anchors with matched YOLOX proposal boxes (ablation)MOTRv2 · MOT17 valhalfMOTA: 75.9 -> 84.3Helped
Remove MOTR predictions unmatched to YOLOX boxes (ablation)MOTRv2 · MOT17 valhalfMOTA: 75.9 -> 83.0Helped
Align predictions and anchors, and remove unmatched predictions (ablation)MOTRv2 · MOT17 valhalfMOTA: 75.9 -> 86.8Helped

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