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How Well Does Self-Supervised Pre-Training Perform with Streaming Data?

ICLR 2022 · Label-efficient and robust learning › Self-supervised and contrastive · approach: Data-efficient and robust self-supervision · 10 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use sequential rather than joint self-supervised pre-training on IID or moderately shifted chunksMoCo-v2 pre-training · ImageNet instance and random class incremental sequenceslinear accuracy gap (%): 0.41, 1.02, 1.04; 0.42, 0.94, 1.13No clear effect
Use sequential self-supervised pre-training on distant class chunksMoCo-v2 pre-training · ImageNet distant class incremental sequencelinear accuracy gap (%): 2.34, 3.81, 4.62Hurt
Use sequential rather than joint supervised pre-trainingsupervised ResNet50 pre-training · ImageNet instance, random class, and distant class incremental sequenceslinear accuracy gap (%): 2.26, 3.27, 4.83; 5.63, 8.73, 10.68; 7.77, 12.50, 15.75Hurt
Add MAS regularization to sequential SSL (ablation)MoCo-v2 SSL-ST · ImageNet distant class incremental sequencelinear accuracy gap (%): 2.34 -> 1.82; 3.81 -> 2.73; 4.62 -> 3.17Helped
Add MAS regularization and data replay to sequential SSL (ablation)MoCo-v2 SSL-ST · ImageNet distant class incremental sequencelinear accuracy gap (%): 2.34 -> 1.47; 3.81 -> 2.01; 4.62 -> 2.10Helped
Add 10% data replay to sequential SSL (ablation)MoCo-v2 SSL-ST · Domain incremental sequencedownstream transfer performance gap to joint SSLHelped
Use sequential SSL instead of sequential supervised learningImageNet streaming pre-training · Instance, random class, and distant class incremental sequencesBWT Top-1 (%): -9.45 -> 3.61; -20.63 -> -5.17; -40.43 -> -13.24Helped
Use sequential SSL rather than joint SSL on severe distribution shiftsMoCo-v2 pre-training · Distant class and domain incremental sequencesdownstream transfer performanceHurt
Use sequential SSL rather than joint SSL on negligible or moderate distribution shiftsMoCo-v2 pre-training · Instance and random class incremental sequencesdownstream transfer performanceNo clear effect
Use BYOL sequentially rather than jointlyBYOL pre-training · ImageNet distant class incremental sequencedownstream transfer performanceHurt
Increase the sequence lengthSequential SSL pre-training · 8-chunk ImageNet-2K sequenceperformance gap to joint trainingHurt
Add 10% previous-chunk data replay (ablation)Sequential SSL pre-training · 8-chunk ImageNet-2K sequenceperformance gap to joint trainingHelped

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