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COVID-19 looks very similar to other viral and bacterial pneumonias on chest radiographs, which makes it difficult to diagnose. In this competition, you’ll identify and localize COVID-19 abnormalities on chest radiographs. In particular, you'll categorize the radiographs as negative for pneumonia or typical, indeterminate, or atypical for COVID-19. You and your model will work with imaging data and annotations from a group of radiologists.

If successful, you'll help radiologists diagnose the millions of COVID-19 patients more confidently and quickly. This will also enable doctors to see the extent of the disease and help them make decisions regarding treatment.

The MIDRC-RICORD Data used by this challenge were originally published by The Cancer Imaging Archive (Medical Imaging Data Resource Center (MIDRC) - RSNA International COVID-19 Open Radiology Database (RICORD) Release 1c - Chest x-ray Covid+ (MIDRC-RICORD-1C))


  • May 17, 2021 - Start Date.

  • August 2, 2021 - Entry Deadline. You must accept the competition rules before this date in order to compete.

  • August 2, 2021 - Team Merger Deadline. This is the last day participants may join or merge teams.

  • August 9, 2021 - Final Submission Deadline.

  • September 19-20, 2021 - Winners' Showcase at SIIM CMIMI 2021

All deadlines are at 11:59 PM UTC on the corresponding day unless otherwise noted. The competition organizers reserve the right to update the contest timeline if they deem it necessary.

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