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Enhancing Audio-Visual Association with Self-Supervised Curriculum Learning

AAAI 2021 · Vision-language and multimodal › Cross-modal learning · approach: Self-supervised audio-visual representation learning · 22 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add stage-II role exchange and cross-modal transfer after stage-I (ablation)SSCL · UCF-101accuracy: 81.4 -> 82.6Helped
Add stage-II role exchange and cross-modal transfer after stage-I (ablation)SSCL · HMDB-51accuracy: 47.7 -> 49.9Helped
Add stage-II role exchange and cross-modal transfer after stage-I (ablation)SSCL · ESC-50accuracy: 85.8 -> 88.3Helped
Add stage-II role exchange and cross-modal transfer after stage-I (ablation)SSCL · DCASEaccuracy: 91.0 -> 93.0Helped
Use larger video input resolution, from 16x112x112 to 16x224x224 (ablation)SSCL-stage-II · UCF-101accuracy: 82.6 -> 84.3Helped
Use larger video input resolution, from 16x112x112 to 16x224x224 (ablation)SSCL-stage-II · HMDB-51accuracy: 49.9 -> 54.1Helped
Increase temporal input from 16 to 32 frames at 224x224 resolution (ablation)SSCL-stage-II · UCF-101accuracy: 84.3 -> 87.1Helped
Increase temporal input from 16 to 32 frames at 224x224 resolution (ablation)SSCL-stage-II · HMDB-51accuracy: 54.1 -> 57.6Helped
Pre-train by directly optimizing audio-visual transfer without curriculum calibration (ablation)SSCL · UCF-101accuracyHurt
Use the two-stage curriculum, including within-modality calibration and subsequent cross-modal transfer (ablation)SSCL · UCF-101 and ESC-50accuracyHelped
Replace the contrastive pre-training task with 3DRotNet or Clip-order (ablation)SSCL video pre-training · UCF-101accuracyHurt

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