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However, it is imperative that the imaging community develops the tools and infrastructure necessary to host these challenges and potentially enlarge the pool of methods by making it more feasible for non-imaging researchers to participate. Resources such as the Cancer Imaging Archive (TCIA) have greatly reduced the burden for sharing medical imaging data within the cancer community and making these data available for use in challenges. Although a number of challenge platforms exist currently, we are not aware of any systems that meet all the requirements necessary to currently host medical imaging challengechallenges.

In this article, we review a few historical imaging challenges. We then list the requirements we believe to be necessary (and nice to have) to support large-scale multimodal imaging challenges. We then review existing systems and develop a matrix of features and tools. Finally, we make some recommendations for developing Medical Imaging Challenge Infrastructure (MedICI), a system to support medical imaging challenges.

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