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논문 기본 정보

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(서울과학기술대학교) (서울과학기술대학교) (서울과학기술대학교)
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    초록·키워드

    In recent years, deep learning technology has been widely used for medical image analysis. However, deep neural networks tend to produce lower generalization performance for data in novel domains, which is a frequent scenario in the field of medical imaging since the domain can be easily shifted by a patient’s physical characteristics and image acquisition equipment. Meanwhile, self-supervised learning is recently known not only to further enhance the performance of a model, but also to improve the robustness of it. Based on this finding, we empirically demonstrated that a model’s domain generalization performance can be improved by using self-supervised pre-training in this study. Moreover, we additionally found that data augmentation applied to the pretext task can significantly impact on domain generalization performance of a model.

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      UCI(KEPA) : I410-ECN-0101-2021-530-001637135