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DCAN: Improving Temporal Action Detection via Dual Context Aggregation
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| add MTCA in place of TEM, retaining PEM (ablation) | DCAN · ActivityNet v1.3 | Average mAP: 33.85% to 35.02% | Helped |
| add MTCA in place of TEM, retaining PEM (ablation) | DCAN · THUMOS-14 | mAP@0.5: 38.80% to 52.55% | Helped |
| add CFM in place of PEM (ablation) | BMN · ActivityNet v1.3 | Average mAP: +0.95% | Helped |
| add CFM in place of PEM (ablation) | BMN · THUMOS-14 | mAP@0.5: +10.62% | Helped |
| combine MTCA and CFM (ablation) | DCAN · ActivityNet v1.3 | Average mAP: 35.02% to 35.39% | Helped |
| combine MTCA and CFM (ablation) | DCAN · THUMOS-14 | mAP@0.5: 52.55% to 54.14% | Helped |
| remove MPTC-S smoothing path (ablation) | MTCA · ActivityNet v1.3 | Average mAP: 35.01 -> 35.39 | Hurt |
| use MPTC-S dilation r=1 rather than r=3 (ablation) | MTCA · ActivityNet v1.3 | Average mAP: 35.18 -> 35.39 | Hurt |
| use MPTC-S dilation r=5 rather than r=3 (ablation) | MTCA · ActivityNet v1.3 | Average mAP: 35.28 -> 35.39 | Hurt |
| use group size G=1 rather than G=2 (ablation) | CFM · ActivityNet v1.3 | Average mAP: 35.11 -> 35.39 | Hurt |
| use group size G=4 rather than G=2 (ablation) | CFM · ActivityNet v1.3 | Average mAP: 35.01 -> 35.39 | Hurt |
Closest papers by meaning
- Temporal Context Aggregation Network for Temporal Action Proposal Refinement (CVPR 2021 · similarity 0.92)
- Fast Learning of Temporal Action Proposal via Dense Boundary Generator (AAAI 2020 · similarity 0.89)
- BSN++: Complementary Boundary Regressor with Scale-Balanced Relation Modeling for Temporal Action Proposal Generation (AAAI 2021 · similarity 0.89)
- Accurate Temporal Action Proposal Generation with Relation-Aware Pyramid Network (AAAI 2020 · similarity 0.88)
- Dual DETRs for Multi-Label Temporal Action Detection (CVPR 2024 · similarity 0.87)
- HyrCap: Hybrid Rank-Calibration of Action Proposals for Temporal Event Understanding (NeurIPS 2026 · similarity 0.87)
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