Fourier transform profilometry for 360-deg shape using TDI camera

Xianyu Su; M. R. Sajan; Anand Krishna Asundi

doi:10.1117/12.269875

20 March 1997 Fourier transform profilometry for 360-deg shape using TDI camera

Xianyu Su, M. R. Sajan, Anand Krishna Asundi

Proceedings Volume 2921, International Conference on Experimental Mechanics: Advances and Applications; (1997) https://doi.org/10.1117/12.269875
Event: International Conference on Experimental Mechanics: Advances and Applications, 1996, Singapore, Singapore

Abstract

This paper demonstrates a Fourier transform profilometry for 360 degree shape using TDI camera. Single stripe structured light can be recorded sequentially on one image when the camera is in TDI mode. An extended and deformed grating could be recorded in high speed and high resolution. The deformed fringe pattern is regarded as a fringe pattern in the Telecentric Fourier Transform Profilometry (TFTP), of which a wrapped phase is obtained directly. The unwrapped phase of TFTP gives the extended 360 degree profile without high frequency noise. Theoretical and experimental results are presented.

Citation Download Citation

Xianyu Su, M. R. Sajan, and Anand Krishna Asundi "Fourier transform profilometry for 360-deg shape using TDI camera", Proc. SPIE 2921, International Conference on Experimental Mechanics: Advances and Applications, (20 March 1997); https://doi.org/10.1117/12.269875

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