3D measurement for the composition of the human bust by using digital projection moire

Young-June Kang; Weon-Jae Ryu; Sung-Hoon Baik; Hyung-Min Rho

doi:10.1117/12.465751

20 September 2002 A study on 3D measurement for the composition of the human bust by using digital projection moire

Young-June Kang, Weon-Jae Ryu, Sung-Hoon Baik, Hyung-Min Rho

Proceedings Volume 4919, Advanced Materials and Devices for Sensing and Imaging; (2002) https://doi.org/10.1117/12.465751
Event: Photonics Asia, 2002, Shanghai, China

Abstract

Moire topography method is a well-known non-contacting 3-D measurement method. Recently, the automatic 3-D measurement by moire topography has been required since the method was frequently applied to the engineering and medical fields. 3-D measurement using projection moire topography is very attractive because of its high measuring speed and high sensitivity. In this paper, using two-wavelength methods of projection moire topography was tested to a measuring object with 2π-ambiguity problems. Experimental results prove that the proposed scheme is capable of finding absolute fringe orders, so that the 2π-ambiguity problems can be effectively overcome so as to treat large step discontinuities in measured objects.

Citation Download Citation

Young-June Kang, Weon-Jae Ryu, Sung-Hoon Baik, and Hyung-Min Rho "A study on 3D measurement for the composition of the human bust by using digital projection moire", Proc. SPIE 4919, Advanced Materials and Devices for Sensing and Imaging, (20 September 2002); https://doi.org/10.1117/12.465751

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