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Balanced Contrastive Learning for Long-Tailed Visual Recognition. (arXiv:2207.09052v2 [cs.CV] UPDATED)
Aug. 29, 2022, 1:14 a.m. | Jianggang Zhu, Zheng Wang, Jingjing Chen, Yi-Ping Phoebe Chen, Yu-Gang Jiang
cs.CV updates on arXiv.org arxiv.org
Real-world data typically follow a long-tailed distribution, where a few
majority categories occupy most of the data while most minority categories
contain a limited number of samples. Classification models minimizing
cross-entropy struggle to represent and classify the tail classes. Although the
problem of learning unbiased classifiers has been well studied, methods for
representing imbalanced data are under-explored. In this paper, we focus on
representation learning for imbalanced data. Recently, supervised contrastive
learning has shown promising performance on balanced data recently. …
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