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- W4383604605 abstract "Given a similarity metric, contrastive methods learn a representation in which examples that are similar are pushed together and examples that are dissimilar are pulled apart. Contrastive learning techniques have been utilized extensively to learn representations for tasks ranging from image classification to caption generation. However, existing contrastive learning approaches can fail to generalize because they do not take into account the possibility of different similarity relations. In this paper, we propose a novel multi-similarity contrastive loss (MSCon), that learns generalizable embeddings by jointly utilizing supervision from multiple metrics of similarity. Our method automatically learns contrastive similarity weightings based on the uncertainty in the corresponding similarity, down-weighting uncertain tasks and leading to better out-of-domain generalization to new tasks. We show empirically that networks trained with MSCon outperform state-of-the-art baselines on in-domain and out-of-domain settings." @default.
- W4383604605 created "2023-07-08" @default.
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- W4383604605 date "2023-07-05" @default.
- W4383604605 modified "2023-09-26" @default.
- W4383604605 title "Multi-Similarity Contrastive Learning" @default.
- W4383604605 doi "https://doi.org/10.48550/arxiv.2307.02712" @default.
- W4383604605 hasPublicationYear "2023" @default.
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