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. 2022 Dec 1;5:1318. doi: 10.1038/s42003-022-04282-z

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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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Fig. 3 — a A set of seven raw images in NEF format; b Automatic recognition of the scale bar and standard white and black references; c Reflectance calibration according to the standard white and black references; d Individual specimen images are extracted by red bounding boxes.