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Leveraging Temporal Context in Low Representational Power Regimes

CVPR 2023 · Video › Action recognition · approach: Contrastive video representation learning · 1 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add ETM supervisionMoViNet A0 · EPIC-KITCHENS-100action top-1 accuracy: 36.8 -> 40.2Helped
Add ETM supervisionMoViNet A0 · EGO4D LTAaction top-1 accuracy: 21.1 -> 22.0Helped
Add ETM supervisionMoViNet A0 · EGTEA Gaze+action top-1 accuracy: 60.4 -> 62.5Helped
Add ETM supervisionsmall and larger action-recognition encoders · EPIC-KITCHENS-100action top-1 accuracy: 20.1 -> 32.4; 30.4 -> 30.7Mixed
Add past- and future-vector ETM supervisionMoViNet A0 · EPIC-KITCHENS-100action top-1 accuracy: 36.8 -> 40.2Helped
Add ETM supervisionanticipation encoders · EPIC-KITCHENS-100class-mean recall@5: 8.0 -> 9.1Helped
Add ETM supervisionanticipation encoders · EPIC-KITCHENS-100class-mean recall@5: 13.4 -> 13.5Helped
Preserve coherent event-sequence information instead of shuffling matrix entries (ablation)MoViNet A0 with ETM training · EPIC-KITCHENS-100action top-1 accuracy: 36.3 -> 40.2Helped
Preserve the correspondence between ETM rows and columns and action labels (ablation)MoViNet A0 with ETM training · EPIC-KITCHENS-100action top-1 accuracy: 36.7 -> 40.2Helped
Use ordered temporal transitions rather than symmetric co-occurrence (ablation)MoViNet A0 with ETM training · EPIC-KITCHENS-100action top-1 accuracy: 37.9 -> 40.2Helped
Add future-vector supervision alongside past-vector supervision (ablation)MoViNet A0 with ETM training · EPIC-KITCHENS-100action top-1 accuracy: 38.2 -> 40.2Helped
Add past-vector supervision alongside future-vector supervision (ablation)MoViNet A0 with ETM training · EPIC-KITCHENS-100action top-1 accuracy: 38.3 -> 40.2Helped

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