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. 2023 Mar 2;55(8):756–765. doi: 10.1055/a-2009-3990

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The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/)

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2 — Examples of polyp images with the POLAR system output. a The POLAR system is not confident enough about the localization (8.5 %). b, c The area within the bounding box is not sharp enough or is overexposed. d The POLAR system predicts the histology of the polyp with only low confidence. e, f The POLAR system predicts the histology of the polyps with high confidence (blinded prediction [ e ], visible prediction [ f ]).