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- W4287029884 abstract "Domain shift is a well known problem where a model trained on a particular domain (source) does not perform well when exposed to samples from a different domain (target). Unsupervised methods that can adapt to domain shift are highly desirable as they allow effective utilization of the source data without requiring additional annotated training data from the target. Practically, obtaining sufficient amount of annotated data from the target domain can be both infeasible and extremely expensive. In this work, we address the domain shift problem for the object detection task. Our approach relies on gradually removing the domain shift between the source and the target domains. The key ingredients to our approach are -- (a) mapping the source to the target domain on pixel-level; (b) training a teacher network on the mapped source and the unannotated target domain using adversarial feature alignment; and (c) finally training a student network using the pseudo-labels obtained from the teacher. Experimentally, when tested on challenging scenarios involving domain shift, we consistently obtain significantly large performance gains over various recent state of the art approaches." @default.
- W4287029884 created "2022-07-25" @default.
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- W4287029884 date "2021-08-02" @default.
- W4287029884 modified "2023-10-16" @default.
- W4287029884 title "Multilevel Knowledge Transfer for Cross-Domain Object Detection" @default.
- W4287029884 doi "https://doi.org/10.48550/arxiv.2108.00977" @default.
- W4287029884 hasPublicationYear "2021" @default.
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