arXiv:2003.10580cs.LG
Meta Pseudo Labels
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Abstract
We present Meta Pseudo Labels, a semi-supervised learning method that achieves a new state-of-the-art top-1 accuracy of 90.2% on ImageNet, which is 1.6% better than the existing state-of-the-art. Like Pseudo Labels, Meta Pseudo Labels has a teacher network to generate pseudo labels on unlabeled data to teach a student network. However, unlike Pseudo Labels where the teacher is fixed, the teacher in Meta Pseudo Labels is constantly adapted by the feedback of the student's performance on the labeled dataset. As a result, the teacher generates better pseudo labels to teach the student. Our code will be available at https://github.com/google-research/google-research/tree/master/meta_pseudo_labels.
This article doesn't make any major factual errors, but it's implicating that this is some sort of surprise, and that it's a major impediment, neither or which hold up. While training on noisy datasets is an interesting problem for many practical use-cases, a few percent label…
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