A fast two-plus-one phase-shifting algorithm for high-speed three-dimensional shape measurement system

Wenyun Wang; Yingfu Guo

doi:10.1117/12.819714

31 December 2008 A fast two-plus-one phase-shifting algorithm for high-speed three-dimensional shape measurement system

Wenyun Wang, Yingfu Guo

Proceedings Volume 7130, Fourth International Symposium on Precision Mechanical Measurements; 71304A (2008) https://doi.org/10.1117/12.819714
Event: Fourth International Symposium on Precision Mechanical Measurements, 2008, Anhui, China

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.

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Wenyun Wang and Yingfu Guo "A fast two-plus-one phase-shifting algorithm for high-speed three-dimensional shape measurement system", Proc. SPIE 7130, Fourth International Symposium on Precision Mechanical Measurements, 71304A (31 December 2008); https://doi.org/10.1117/12.819714

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KEYWORDS

Phase shifts

3D metrology

Fringe analysis

Algorithm development

3D image processing

Motion measurement

Computer graphics

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