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. 2019 Jun 7;19(11):2604. doi: 10.3390/s19112604

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Upper: The relation between $w_{a n g l e}$ and bone length. Lower: The relation between w and the bone length. Red line: Bone length observed by Kinect SDK [1]. Green lines: The reference length of a bone section calculated via Equation (3). Blue: Ten times the value of weight $w_{t, a n g l e}$ and $w_{t}$ calculated respectively from Equations (2) and (4).