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. 2019 Dec 23;9:19674. doi: 10.1038/s41598-019-55876-3

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© The Author(s) 2019

Open Access This 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 license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license 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 license, visit http://creativecommons.org/licenses/by/4.0/.

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The accuracy of root image detection using saRIA vs. manual segmentation (ground-truth data) in terms of the Dice similarity coefficient (DSC). The green line points to the mean DSC value over 100 tested soil-root images. The red color bars indicate few cases of poor saRIA performance with a low DSC value that corresponds to roots in the early stage of plant development.