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. 2023 Jun 6;36(5):2179–2193. doi: 10.1007/s10278-023-00825-w

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© The Author(s) 2023

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — Diagram of visual annotation. A series of gaze points representing the centerline of the bowel were recorded with an eye tracker (a). An approximate diameter of the bowel was also recorded for each gaze point (b). For segmentation, the region of the imaging volume closest to each segment was assigned the label of that segment (c). For the diameter map, each voxel of the imaging volume was assigned the diameter of the closest segment (d)