Papers › Revisiting Weakly Supervised Pre-Training of Visual Perception Models

Revisiting Weakly Supervised Pre-Training of Visual Perception Models

20 Jan 2022CVPR 2022 1arXiv:2201.08371archive 2025-07-28

Mannat Singh, Laura Gustafson, Aaron Adcock, Vinicius de Freitas Reis, Bugra Gedik, Raj Prateek Kosaraju, Dhruv Mahajan, Ross Girshick, Piotr Dollár, Laurens van der Maaten

Model pre-training is a cornerstone of modern visual recognition systems. Although fully supervised pre-training on datasets like ImageNet is still the de-facto standard, recent studies suggest that large-scale weakly supervised pre-training can outperform fully supervised approaches. This paper revisits weakly-supervised pre-training of models using hashtag supervision with modern versions of residual networks and the largest-ever dataset of images and corresponding hashtags. We study the performance of the resulting models in various transfer-learning settings including zero-shot transfer. We also compare our models with those obtained via large-scale self-supervised learning. We find our weakly-supervised models to be very competitive across all settings, and find they substantially outperform their self-supervised counterparts. We also include an investigation into whether our models learned potentially troubling associations or stereotypes. Overall, our results provide a compelling argument for the use of weakly supervised learning in the development of visual recognition systems. Our models, Supervised Weakly through hashtAGs (SWAG), are available publicly.

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Code

facebookresearch/SWAG officialmentioned in papermentioned on GitHubpytorchNOASSERTION report
Expedit-LargeScale-Vision-Transformer/Expedit-SWAG mentioned on GitHubpytorchNOASSERTION report

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Tasks

Fine-Grained Image ClassificationImage ClassificationOut-of-Distribution GeneralizationSelf-Supervised LearningTransfer LearningWeakly-supervised Learning

Results from the paper archive 2025-07-28

TaskDatasetModelMetricValueRank at snapshotLeaderboardReport
Fine-Grained Image Classification CUB-200-2011 SWAG (ViT H/14) Accuracy 91.7 #8 of 30 Archive leaderboard report
Image Classification ImageNet SWAG (ViT H/14) GFLOPs 1018.8 #38 of 1060 Archive leaderboard report
Image Classification ImageNet SWAG (ViT H/14) Number of params 633.5M #38 of 1060 Archive leaderboard report
Image Classification ImageNet SWAG (ViT H/14) Top 1 Accuracy 88.6% #38 of 1060 Archive leaderboard report
Image Classification ImageNet ReaL SWAG (RegNetY 128GF) Accuracy 90.7% #13 of 57 Archive leaderboard report
Image Classification ImageNet V2 SWAG (ViT H/14) Top 1 Accuracy 81.1 #9 of 33 Archive leaderboard report
Image Classification ObjectNet SWAG (ViT H/14) Top-1 Accuracy 69.5 #15 of 106 Archive leaderboard report
Image Classification ObjectNet RegNetY 128GF (Platt) Top-1 Accuracy 64.3 #17 of 106 Archive leaderboard report
Image Classification ObjectNet ViT H/14 (Platt) Top-1 Accuracy 60 #20 of 106 Archive leaderboard report
Image Classification ObjectNet ViT L/16 (Platt) Top-1 Accuracy 57.3 #22 of 106 Archive leaderboard report
Image Classification ObjectNet ViT B/16 Top-1 Accuracy 48.9 #29 of 106 Archive leaderboard report
Image Classification Places365-Standard SWAG (ViT H/14) Top 1 Accuracy 60.7 #1 of 4 Archive leaderboard report
Image Classification iNaturalist 2018 SWAG (ViT H/14) Top-1 Accuracy 86.0% #8 of 60 Archive leaderboard report

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