A three-dimensional shape measurement system based on temporal phase unwrapping

doi:10.11835/j.issn.1000-582X.2015.04.012

Home > Archive>Volume 38, Issue 4, 2015 >80-84. DOI:10.11835/j.issn.1000-582X.2015.04.012

A three-dimensional shape measurement system based on temporal phase unwrapping
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                        10.11835/j.issn.1000-582X.2015.04.012
                    
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                        HE GuanghongHE Guanghong
College of Physics, Chongqing University, Chongqing 401331, P.R.China
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ZHANG LiZHANG Li
College of Physics, Chongqing University, Chongqing 401331, P.R.China
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WANG GaoWANG Gao
College of Physics, Chongqing University, Chongqing 401331, P.R.China
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FAN PengfeiFAN Pengfei
College of Physics, Chongqing University, Chongqing 401331, P.R.China
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Fund Project:Supported by Natural Science Foundation of Chongqing(CSTC 2012JJA4003),Education and Teaching Program of Chongqing University(2014Y30) and Undergraduates Scientific Research Training Plan of Chongqing University(CQU-SRTP-2014473).

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Abstract:

A three-dimensional shape measurement system is designed and it combines the generalized temporal phase unwrapping method and fringe pattern. Firstly, fringe patterns modulated by object surface are captured. Then, the temporal phase unwrapping method is used to get the unwrapped phase difference. Finally, the 3D profile is reconstructed according to the phase difference. The method of phase unwrapping is introduced. Experiment results shows that the system is capable of high efficiency and high precision reconstruction of object three-dimensional profile.

Key words:three-dimensional shape measurement; fringe pattern; temporal phase unwrapping

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何光宏,张莉,王高,范鹏飞.时间相位解包裹方法在三维形貌测量系统中的应用[J].重庆大学学报,2015,38(4):80~84

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Received:February 19,2015
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Online: August 06,2015
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