Subfringe integration profilometry of three-dimensional diffuse objects

Ming Wang; Jingang Zhong; Dacheng Li

doi:10.1117/1.601489

1 September 1997 Subfringe integration profilometry of three-dimensional diffuse objects

Ming Wang, Jingang Zhong, Dacheng Li

Optical Engineering, Vol. 36, Issue 9, (September 1997). https://doi.org/10.1117/1.601489

A fringe analysis technique is proposed to automatically measure 3-D object shape. A grating pattern is projected onto an object, and the grating pattern deforms in accordance with the 3-D object. This deformed grating image is analyzed by means of the subfringe integration algorithm (SIA), in which the phase is retrieved using N bucket integration. Only one frame of the image is sufficient to obtain the phase distribution and the object shape at every pixel on measured object. Theoretical analysis, experimental results, and simulation calculations are presented.

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Ming Wang, Jingang Zhong, and Dacheng Li "Subfringe integration profilometry of three-dimensional diffuse objects," Optical Engineering 36(9), (1 September 1997). https://doi.org/10.1117/1.601489

Published: 1 September 1997

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