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Detection, Tracking, and Counting Meets Drones in Crowds: A Benchmark

CVPR 2021 · Detection and segmentation › Tracking · approach: Unified transformer tracking · 137 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use STNNet instead of DM-Count for density estimationDroneCrowd · DroneCrowd testMAE: 2.6 MAEHelped
Use STNNet instead of DM-Count for density estimationDroneCrowd · DroneCrowd testMSE: 8.3 MSEHelped
Use the STNNet localization approach instead of DM-Count localizationDroneCrowd · DroneCrowd testL-mAP: 40.45% vs. 18.17%Helped
Use STNNet with min-cost flow tracking instead of DM-Count with min-cost flowDroneCrowd · DroneCrowd testT-mAP: 32.50% vs. 17.01%Helped
Add the localization subnet (ablation)STNNet · DroneCrowd testMAE: 18.6 -> 15.8Helped
Add the localization subnet (ablation)STNNet · DroneCrowd testMSE: 22.2 -> 18.7Helped
Add the localization subnet (ablation)STNNet · DroneCrowd testL-mAP: 32.19% -> 40.45%Helped
Add the association subnet (ablation)STNNet · DroneCrowd testL-mAP: 39.77% -> 40.45%Helped
Add predicted motion-offset association (ablation)STNNet · DroneCrowd testT-mAP: 31.44% vs. 32.32%Helped
Add the relation constraint to the neighboring context loss (ablation)STNNet · DroneCrowd testL-mAP: 40.00% -> 40.23%Helped
Add the relation constraint to the neighboring context loss (ablation)STNNet · DroneCrowd testT-mAP: 32.26% -> 32.50%Helped
Use cycle-based forward and backward offsets instead of forward offsets only (ablation)STNNet · DroneCrowd testL-mAP: 40.23% -> 40.45%Helped

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