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Journal of Biomedical Optics

Noninvasive, three-dimensional full-field body sensor for surface deformation monitoring of human body in vivo
Author(s): Zhenning Chen; Xinxing Shao; Xiaoyuan He; Jialin Wu; Xiangyang Xu; Jinlin Zhang
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Paper Abstract

Noninvasive, three-dimensional (3-D), full-field surface deformation measurements of the human body are important for biomedical investigations. We proposed a 3-D noninvasive, full-field body sensor based on stereo digital image correlation (stereo-DIC) for surface deformation monitoring of the human body in vivo. First, by applying an improved water-transfer printing (WTP) technique to transfer optimized speckle patterns onto the skin, the body sensor was conveniently and harmlessly fabricated directly onto the human body. Then, stereo-DIC was used to achieve 3-D noncontact and noninvasive surface deformation measurements. The accuracy and efficiency of the proposed body sensor were verified and discussed by considering different complexions. Moreover, the fabrication of speckle patterns on human skin, which has always been considered a challenging problem, was shown to be feasible, effective, and harmless as a result of the improved WTP technique. An application of the proposed stereo-DIC-based body sensor was demonstrated by measuring the pulse wave velocity of human carotid artery.

Paper Details

Date Published: 12 September 2017
PDF: 10 pages
J. Biomed. Opt. 22(9) 095001 doi: 10.1117/1.JBO.22.9.095001
Published in: Journal of Biomedical Optics Volume 22, Issue 9
Show Author Affiliations
Zhenning Chen, Southeast Univ. (China)
Univ. of Toronto (Canada)
Xinxing Shao, Southeast Univ. (China)
Xiaoyuan He, Southeast Univ. (China)
Jialin Wu, Southeast Univ. (China)
Xiangyang Xu, Southeast Univ. (China)
Jinlin Zhang, Southeast Univ. (China)

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