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ABSTRACT
Uni-axial 3-D shape measurement by liquid crystal digital shifter
The International Conference on Computational & Experimental Engineering and Sciences 2011, 19(4), 107-108. https://doi.org/10.3970/icces.2011.019.107
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A uni-axial three dimensional surface measurement by a liquid crystal digital shifter( LCDC) is proposed using a telecentric optical system. Distance information can be determined by measuring the contrast in the projected grating pattern. The magnification of the object image captured by a CCD camera is adjusted constant by changing the focus distance. A shadow less measurement of the object's area is archived by using a uni-axial system. The liquid crystal digital shifter is a powerful tool to make arbitrary intensity and frequency distribution. Surface profiles of some mechanical parts were measured to demonstrate this method.Cite This Article
APA Style
OTANI, Y., KOBAYASHI, F., MIZUTANI, Y., Harada, M., YOSHIZAWA, T. (2011). Uni-axial 3-D shape measurement by liquid crystal digital shifter. The International Conference on Computational & Experimental Engineering and Sciences, 19(4), 107-108. https://doi.org/10.3970/icces.2011.019.107
Vancouver Style
OTANI Y, KOBAYASHI F, MIZUTANI Y, Harada M, YOSHIZAWA T. Uni-axial 3-D shape measurement by liquid crystal digital shifter. Int Conf Comput Exp Eng Sciences . 2011;19(4):107-108 https://doi.org/10.3970/icces.2011.019.107
IEEE Style
Y. OTANI, F. KOBAYASHI, Y. MIZUTANI, M. Harada, and T. YOSHIZAWA, “Uni-axial 3-D shape measurement by liquid crystal digital shifter,” Int. Conf. Comput. Exp. Eng. Sciences , vol. 19, no. 4, pp. 107-108, 2011. https://doi.org/10.3970/icces.2011.019.107
Copyright © 2011 The Author(s). Published by Tech Science Press.This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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