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. 2018 Jun 20;17:89. doi: 10.1186/s12938-018-0518-0

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© The Author(s) 2018

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — Pixel-level performance. Left column illustrates the manual annotations and the right one shows the corresponding automatic results. An example of (a, b) correct-segmentation (green), (c, d) under-segmentation (orange), (e, f) segmentation-error (yellow)