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- W4286900543 abstract "In vision domain, large-scale natural datasets typically exhibit long-tailed distribution which has large class imbalance between head and tail classes. This distribution poses difficulty in learning good representations for tail classes. Recent developments have shown good long-tailed model can be learnt by decoupling the training into representation learning and classifier balancing. However, these works pay insufficient consideration on the long-tailed effect on representation learning. In this work, we propose interpolative centroid contrastive learning (ICCL) to improve long-tailed representation learning. ICCL interpolates two images from a class-agnostic sampler and a class-aware sampler, and trains the model such that the representation of the interpolative image can be used to retrieve the centroids for both source classes. We demonstrate the effectiveness of our approach on multiple long-tailed image classification benchmarks. Our result shows a significant accuracy gain of 2.8% on the iNaturalist 2018 dataset with a real-world long-tailed distribution." @default.
- W4286900543 created "2022-07-25" @default.
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- W4286900543 date "2021-10-19" @default.
- W4286900543 modified "2023-10-18" @default.
- W4286900543 title "Improving Tail-Class Representation with Centroid Contrastive Learning" @default.
- W4286900543 doi "https://doi.org/10.48550/arxiv.2110.10048" @default.
- W4286900543 hasPublicationYear "2021" @default.
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