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. 2016 Oct 12;3(10):160342. doi: 10.1098/rsos.160342

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© 2016 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 1. — Removal of breaks and cracks in CT-derived data. (a) Digital representation of the left jugal of Erlikosaurus andrewsi from left to right as originally preserved, with in-filled breaks and fully restored element. Skull image at the top shows position of figured element. (b) CT slice of segmented jugal based on automatic threshold, (c) after hole-filling algorithm, (d) after grow operation, (e) after subsequent shrink operation and (f) manually filled-in breaks. Blue silhouette indicates segmented region according to each operation. All steps performed in AVIZO.