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Proceedings Paper

A fast two-plus-one phase-shifting algorithm for high-speed three-dimensional shape measurement system
Author(s): Wenyun Wang; Yingfu Guo
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Paper Abstract

Phase-shifting methods for 3-D shape measurement have long been employed in optical metrology for their speed and accuracy. For real-time, accurate, 3-D shape measurement, a four-step phase-shifting algorithm which has the advantage of its symmetry is a good choice; however, its measurement error is sensitive to any fringe image errors caused by various sources such as motion blur. To alleviate this problem, a fast two-plus-one phase-shifting algorithm is proposed in this paper. This kind of technology will benefit many applications such as medical imaging, gaming, animation, computer vision, computer graphics, etc.

Paper Details

Date Published: 31 December 2008
PDF: 6 pages
Proc. SPIE 7130, Fourth International Symposium on Precision Mechanical Measurements, 71304A (31 December 2008); doi: 10.1117/12.819714
Show Author Affiliations
Wenyun Wang, Hunan Univ. of Science and Technology (China)
Yingfu Guo, Hunan Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 7130:
Fourth International Symposium on Precision Mechanical Measurements
Yetai Fei; Kuang-Chao Fan; Rongsheng Lu, Editor(s)

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