A carrier removal approach for fringe projection profilometry using principal component analysis

Shijie Feng; Qian Chen; Chao Zuo; Jiasong Sun

doi:10.1117/12.2185663

17 July 2015 A carrier removal approach for fringe projection profilometry using principal component analysis

Shijie Feng, Qian Chen, Chao Zuo, Jiasong Sun

Proceedings Volume 9524, International Conference on Optical and Photonic Engineering (icOPEN 2015); 952409 (2015) https://doi.org/10.1117/12.2185663
Event: International Conference on Optical and Photonic Engineering (icOPEN2015), 2015, Singapore, Singapore

Abstract

We present a carrier removal method for Fourier transform profilometry using the principal component analysis. The proposed approach is able to decompose the phase map into several principal components, in which the phase of the carrier can be extracted from the first dominant component acquired. It can cope well with the nonlinear carrier problem resulted from the divergent illumination which is commonly adopted in the fringe projection profilometry. It is effective, fully automatic and does not require the estimation for system geometrical parameters or the prior knowledge on the measured object. Further, the influence of the lens distortion is considered thus the carrier can be determined more accurately. The principle of the technique is verified by our experiments.

Citation Download Citation

Shijie Feng, Qian Chen, Chao Zuo, and Jiasong Sun "A carrier removal approach for fringe projection profilometry using principal component analysis", Proc. SPIE 9524, International Conference on Optical and Photonic Engineering (icOPEN 2015), 952409 (17 July 2015); https://doi.org/10.1117/12.2185663

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