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Multi-Shot Temporal Event Localization: A Benchmark

CVPR 2021 · Video › Action recognition · approach: Weakly supervised temporal action localization · 79 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add temporal aggregation to the vanilla method (ablation)MUSES localization baseline · MUSESmAP@IoU=0.5: 16.1 -> 18.9Helped
Use multi-scale temporal aggregation rather than a single-scale module (ablation)MUSES localization baseline · MUSESmAP@IoU=0.5: 17.5 -> 18.9Helped
Replace temporal aggregation with dilated 1D convolution (ablation)MUSES localization baseline · MUSESmAP@IoU=0.5: 18.9 -> 17.1Hurt
Replace temporal aggregation with deformable 1D convolution (ablation)MUSES localization baseline · MUSESmAP@IoU=0.5: 18.9 -> 17.0Hurt
Use a single temporal aggregation module with kernel 1×3 and W=3 instead of multiple scales (ablation)MUSES localization baseline · MUSESmAP@IoU=0.5: 18.9 -> 16.0Hurt
Use a single temporal aggregation module with kernel 3×3 and W=3 instead of multiple scales (ablation)MUSES localization baseline · MUSESmAP@IoU=0.5: 18.9 -> 16.8Hurt
Use a single temporal aggregation module with kernel 3×3 and W=6 instead of multiple scales (ablation)MUSES localization baseline · MUSESmAP@IoU=0.5: 18.9 -> 17.5Hurt
Use a single temporal aggregation module with kernel 3×3 and W=9 instead of multiple scales (ablation)MUSES localization baseline · MUSESmAP@IoU=0.5: 18.9 -> 17.2Hurt
Add temporal aggregation to the THUMOS14 localization methodTHUMOS14 localization · THUMOS14mAP@IoU=0.5: +5.3%Helped
Integrate temporal aggregation with BMNBMN · ActivityNet-1.3 validationmAP: 33.85 -> 33.99No clear effect

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