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A Large-Scale Robustness Analysis of Video Action Recognition Models

CVPR 2023 · Video › Action recognition · approach: Spatiotemporal CNNs for action recognition · 29 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use a transformer-based model rather than a CNNVideo action recognition · Kinetics400-Pmean relative robustness γ^r: .80 -> .91Helped
Use a transformer-based model rather than a CNNVideo action recognition · SSv2-Pmean relative robustness γ^r: .76 -> .77Mixed
Add Kinetics-400 pretraining (ablation)Action recognition models · UCF101-P and HMDB51-ProbustnessHelped
Add Kinetics-400 pretraining to a transformer rather than a CNN (ablation)Action recognition models · UCF101-P and HMDB51-ProbustnessHelped
Train with spatial perturbations rather than clean data (ablation)CNN-based models · UCF101-ProbustnessHelped
Train with a mix of perturbations (ablation)ResNet50 · UCF101-ProbustnessHurt
Train with perturbed data (ablation)MViT · UCF101-DSrelative robustnessHurt
Train with perturbed data (ablation)ResNet50 · UCF101-DSrelative robustnessHelped
Increase temporal perturbation severityAction recognition models · Kinetics400-Prelative robustness γ^r: .97No clear effect
Apply temporal perturbationsAction recognition models · SSv2-Prelative robustness γ^r: .50Hurt
Use a higher-capacity modelAction recognition models · UCF101-P and HMDB51-ProbustnessNo clear effect

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