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. 2019 Aug 13;10(5):611–618. doi: 10.1177/2192568219868190

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© The Author(s) 2019

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 License (https://creativecommons.org/licenses/by-nc-nd/4.0/) which permits non-commercial use, reproduction and distribution of the work as published without adaptation or alteration, without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 7. — Examples of U-Net segmentation failures. (A) Image and corresponding segmentation characterized by L1 segmentation failure. (B) Image and corresponding segmentation characterized by fused L2 and L3 vertebrae.