A new phase retrieve method for phase shifting profilometry with object in motion

Haoran Guo; Lei Lu; Chunhua Zhu; Yi Ding; Yinsen Luan; Jiangtao Xi

doi:10.1117/12.2500871

24 July 2018 A new phase retrieve method for phase shifting profilometry with object in motion

Haoran Guo, Lei Lu, Chunhua Zhu, Yi Ding, Yinsen Luan, Jiangtao Xi

Proceedings Volume 10827, Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018); 108270Y (2018) https://doi.org/10.1117/12.2500871
Event: Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018), 2018, Shanghai, China

Abstract

Phase retrieve is an important step for phase shifting profilometry (PSP). The existing phase retrieve methods can obtain the phase value successfully for static object. However, as multiple fringe patterns are required in PSP, when the object has movement, errors will be introduced. A new phase retrieve method for the object with 2D movement is proposed in this paper. The 2D movement is divided into translation movement and rotation movement. Then their influence on the phase value is analyzed and a new reconstruction model including the movement information is given. At last, the phase value is retrieved based on the new reconstruction model. The proposed method can eliminate the errors caused by 2D movement of object. The effectiveness of the proposed method is verified by simulations.

Citation Download Citation

Haoran Guo, Lei Lu, Chunhua Zhu, Yi Ding, Yinsen Luan, and Jiangtao Xi "A new phase retrieve method for phase shifting profilometry with object in motion", Proc. SPIE 10827, Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018), 108270Y (24 July 2018); https://doi.org/10.1117/12.2500871

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