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. 2023 Nov 20;27(1):187–195. doi: 10.1038/s41593-023-01490-6

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© The Author(s) 2023

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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Extended Data Fig. 1 — Keypoints labels and sample images shown from training and test set. a, Side view recording of a mouse face showing eye, whiskers, nose and mouth keypoints. b, Top view recording of mouse face in a showing eye, whiskers and nose keypoints from a different view. c, Mouse face recordings from different camera views for training samples and test samples (last column). A total of 2,400 training frames were used from mice shown in c and other mice (not shown), and 100 frames from different views of a new mouse used as the test set.