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. 2018 Feb 20;9:85. doi: 10.3389/fphys.2018.00085

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Copyright © 2018 Zhi, Wang, Lu, Jia, Shen and Ning.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) The post-processed image. (B) Distance map. (C) Watershed-transformed image. (D) Re-segmented image, where green arrows show the detected missing dyed membrane.