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Background Suppression Network for Weakly-Supervised Temporal Action Localization
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| add an auxiliary background class to vanilla MIL (ablation) | BaS-Net · THUMOS'14 | AVG mAP@IoU 0.1–0.9: 13.4 -> 11.3 | Hurt |
| add a suppression branch with a filtering module (ablation) | vanilla MIL baseline · THUMOS'14 | AVG mAP@IoU 0.1–0.9: 13.4 -> 21.2 | Helped |
| jointly train base and suppression branches with contrasting background objectives (ablation) | BaS-Net · THUMOS'14 | AVG mAP@IoU 0.1–0.9: 21.2 -> 27.9 | Helped |
| jointly learn both branches for background-frame detection (ablation) | BaS-Net · THUMOS'14 | background-frame F-measure: 0.775 -> 0.846 | Helped |
| use BaS-Net instead of the strongest listed weakly supervised baseline | BaS-Net (I3D) · THUMOS'14 | mAP@IoU 0.5: 23.1 -> 27.0 | Helped |
| use BaS-Net instead of the strongest listed weakly supervised baseline | BaS-Net · ActivityNet1.2 validation | AVG mAP@IoU 0.5:0.05:0.95: 22.4 -> 24.3 | Helped |
| use BaS-Net instead of the strongest listed weakly supervised baseline | BaS-Net · ActivityNet1.3 validation | AVG mAP@IoU 0.5:0.05:0.95: 21.2 -> 22.2 | Helped |
Closest papers by meaning
- Weakly-supervised Temporal Action Localization by Uncertainty Modeling (AAAI 2021 · similarity 0.91)
- Action Unit Memory Network for Weakly Supervised Temporal Action Localization (CVPR 2021 · similarity 0.91)
- ACSNet: Action-Context Separation Network for Weakly Supervised Temporal Action Localization (AAAI 2021 · similarity 0.91)
- A Hybrid Attention Mechanism for Weakly-Supervised Temporal Action Localization (AAAI 2021 · similarity 0.90)
- Weakly-Supervised Temporal Action Localization by Inferring Salient Snippet-Feature (AAAI 2024 · similarity 0.89)
- Bridge the Gap: From Weak to Full Supervision for Temporal Action Localization with PseudoFormer (CVPR 2025 · similarity 0.89)
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