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The Lottery Tickets Hypothesis for Supervised and Self-Supervised Pre-Training in Computer Vision Models

CVPR 2021 · Label-efficient and robust learning › Self-supervised and contrastive · approach: Invariance-based self-supervised learning · 69 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Prune supervised ImageNet pre-trained weights and transfer the resulting maskResNet-50 ticket · CIFAR-10, CIFAR-100, SVHN, and Fashion-MNISTclassification accuracy: ($86.58\%$, $86.58\%$, $89.26\%$) sparsityNo clear effect
Prune simCLR pre-trained weights and transfer the resulting maskResNet-50 ticket · CIFAR-10, CIFAR-100, SVHN, and Fashion-MNISTclassification accuracy: ($91.41\%$, $86.58\%$, $96.48\%$, $89.26\%$) sparsityNo clear effect
Prune MoCo pre-trained weights and transfer the resulting maskResNet-50 ticket · Pascal VOC 2007 detection and Pascal VOC 2012 segmentationtask performance: ($73.79\%$, $83.22\%$) sparsityNo clear effect
Use self-supervised pre-training rather than ImageNet supervised pre-trainingResNet-50 tickets · Natural-image classification at extreme sparsitygeneralizationHelped
Use supervised ImageNet pre-training rather than self-supervised pre-trainingResNet-50 tickets · VisDA2017classification performance: 0.00\% to 89.26\% sparsityHelped
Use MoCo pre-training rather than ImageNet or simCLR pre-trainingResNet-50 tickets · Pascal VOC detection and segmentationtask performanceHelped
Use pre-trained initialization instead of random initialization or 5% rewindingDownstream task tickets · Classification downstream tasksperformanceHelped
Use simCLR pre-trained ResNet-152 instead of ResNet-50 to find subnetworks (ablation)simCLR ticket · CIFAR-100accuracyHelped
Use simCLR temperature 0.5 rather than temperature 20.0 (ablation)simCLR ticket · CIFAR-100accuracy: 80.18 -> 82.22Helped
Use moderate simCLR temperatures from 0.1 to 0.5 rather than extreme temperature 20.0 (ablation)simCLR ticket · CIFAR-100accuracy: 81.81, 81.91, 82.22 -> 80.18Helped
Use simCLR temperature 1.0 rather than temperature 0.5 (ablation)simCLR ticket · CIFAR-100accuracy: 82.22 -> 81.24Hurt
Use simCLR temperature 2.0 rather than temperature 0.5 (ablation)simCLR ticket · CIFAR-100accuracy: 82.22 -> 80.76Hurt

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