3DBODY.TECH 2018 - Paper 18.170

Q. Tang et al., "Fast Foot Measurement System Based on 3D Measurement Network", in Proc. of 3DBODY.TECH 2018 - 9th Int. Conf. and Exh. on 3D Body Scanning and Processing Technologies, Lugano, Switzerland, 16-17 Oct. 2018, pp. 170-175, https://doi.org/10.15221/18.170.


Fast Foot Measurement System Based on 3D Measurement Network


Qijian TANG 1, Xinyun LIU 1, Chang LIU 1, Xiaoli LIU 1, Menglong LIU 2, Xiang PENG 1,2

1 Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, Guangdong, China;
2 Shenzhen ESUN Co. Ltd., Shenzhen, Guangdong, China


A multi-node 3D foot measurement network system is proposed based on digital speckle correlation method. For each node, two cameras build a binocular system, the corresponding points between the left and right cameras are established through the spatial correlation method. In order to improve the search speed of corresponding points, the epipolar and parallax constraints are adopted. The sub-pixel corresponding point location is achieved by Newton-Raphson iterative optimization method to improve the reconstruction accuracy, and the single-node depth data is finally reconstructed based on the stereo vision principle. Multi-view depth data is matched by means of the measurement network calibration technology. The whole foot data acquisition takes less than one second, which has a great commercial application prospect.


Full paper: 18170tang.pdf
Proceedings: 3DBODY.TECH 2018, 16-17 Oct. 2018, Lugano, Switzerland
Pages: 170-175
DOI: 10.15221/18.170

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