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Ravanbakhsh, Mahdyar; Tschernezki, Vadim; Last, Felix; Klein, Tassilo; Batmanghelich, Kayhan; Tresp, Volker and Nabi, Moin (2020): HUMAN-MACHINE COLLABORATION FOR MEDICAL IMAGE SEGMENTATION. In: 2020 IEEE International Conference on Acoustics, Speech, and Signal Processing: pp. 1040-1044

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Image segmentation is a ubiquitous step in almost any medical image study. Deep learning-based approaches achieve state-of-the-art in the majority of image segmentation benchmarks. However, end-to-end training of such models requires sufficient annotation. In this paper, we propose a method based on conditional Generative Adversarial Network (cGAN) to address segmentation in semi-supervised setup and in a human-in-the-loop fashion. More specifically, we use the generator in the GAN to synthesize segmentations on unlabeled data and use the discriminator to identify unreliable slices for which expert annotation is required. The quantitative results on a conventional standard benchmark show that our method is comparable with the state-of-the-art fully supervised methods in slice-level evaluation, despite of requiring far less annotated data.

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