Contrastive Domain Adaptation

Mamatha Thota*, Georgios Leontidis

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingPublished conference contribution

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Recently, contrastive self-supervised learning has become a key component for learning visual representations across many computer vision tasks and benchmarks. However, contrastive learning in the context of domain adaptation remains largely underexplored. In this paper, we
propose to extend contrastive learning to a new domain adaptation setting, a particular situation occurring where the similarity is learned and deployed on samples following different probability distributions without access to labels. Contrastive learning learns by comparing and contrasting positive and negative pairs of samples in an unsupervised setting without access to source and target labels. We have developed a variation of a recently proposed contrastive learning framework that helps tackle the domain adaptation problem, further identifying and removing possible
negatives similar to the anchor to mitigate the effects of false negatives. Extensive experiments demonstrate that the proposed method adapts well, and improves the performance on the downstream domain adaptation task.
Original languageEnglish
Title of host publicationProceedings of the 2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops
PublisherComputer Vision Foundation (CVF)
Number of pages10
Publication statusPublished - 12 Jun 2021


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