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EnAET: A Self-Trained framework for Semi-Supervised and Supervised Learning with Ensemble Transformations

21 Nov 2019arXiv:1911.09265archive 2025-07-28

Xiao Wang, Daisuke Kihara, Jiebo Luo, Guo-Jun Qi

Deep neural networks have been successfully applied to many real-world applications. However, such successes rely heavily on large amounts of labeled data that is expensive to obtain. Recently, many methods for semi-supervised learning have been proposed and achieved excellent performance. In this study, we propose a new EnAET framework to further improve existing semi-supervised methods with self-supervised information. To our best knowledge, all current semi-supervised methods improve performance with prediction consistency and confidence ideas. We are the first to explore the role of {\bf self-supervised} representations in {\bf semi-supervised} learning under a rich family of transformations. Consequently, our framework can integrate the self-supervised information as a regularization term to further improve {\it all} current semi-supervised methods. In the experiments, we use MixMatch, which is the current state-of-the-art method on semi-supervised learning, as a baseline to test the proposed EnAET framework. Across different datasets, we adopt the same hyper-parameters, which greatly improves the generalization ability of the EnAET framework. Experiment results on different datasets demonstrate that the proposed EnAET framework greatly improves the performance of current semi-supervised algorithms. Moreover, this framework can also improve {\bf supervised learning} by a large margin, including the extremely challenging scenarios with only 10 images per class. The code and experiment records are available in \url{https://github.com/maple-research-lab/EnAET}.

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Code

maple-research-lab/EnAET officialmentioned in papermentioned on GitHubpytorchMIT report
wang3702/EnAET mentioned on GitHubpytorchMIT report

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Tasks

Image ClassificationSemi-Supervised Image Classification

Results from the paper archive 2025-07-28

TaskDatasetModelMetricValueRank at snapshotLeaderboardReport
Image Classification CIFAR-10 EnAET Percentage correct 98.01 #57 of 265 Archive leaderboard report
Image Classification CIFAR-100 EnAET Percentage correct 83.13 #91 of 211 Archive leaderboard report
Image Classification STL-10 EnAET Percentage correct 95.48 #16 of 117 Archive leaderboard report
Image Classification SVHN EnAET Percentage error 2.22 #32 of 62 Archive leaderboard report
Semi-Supervised Image Classification CIFAR-10, 4000 Labels EnAET Percentage error 4.18 #14 of 49 Archive leaderboard report
Semi-Supervised Image Classification CIFAR-100, 1000 Labels EnAET Percentage correct 41.27 #1 of 1 Archive leaderboard report
Semi-Supervised Image Classification CIFAR-100, 5000Labels EnAET Percentage correct 68.17 #2 of 2 Archive leaderboard report
Semi-Supervised Image Classification STL-10 EnAET Accuracy 95.48 #1 of 3 Archive leaderboard report
Semi-Supervised Image Classification STL-10, 1000 Labels EnAET Accuracy 91.96 #9 of 13 Archive leaderboard report
Semi-Supervised Image Classification SVHN, 1000 labels EnAET Accuracy 97.58 #4 of 17 Archive leaderboard report
Semi-Supervised Image Classification SVHN, 250 Labels EnAET Accuracy 96.79 #5 of 15 Archive leaderboard report
Semi-Supervised Image Classification cifar-100, 10000 Labels EnAET (WRN-28-2-Large) Percentage error 22.92 #17 of 29 Archive leaderboard report
Semi-Supervised Image Classification cifar-100, 10000 Labels EnAET (WRN-28-2) Percentage error 26.93±0.21 #23 of 29 Archive leaderboard report
Semi-Supervised Image Classification cifar10, 250 Labels EnAET Percentage correct 92.4 #2 of 4 Archive leaderboard report

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