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	Calibration of a 3D measurement system having one camera and one projector
	Wei Zhengliang ; Zhong Yuexian ; Yuan Chaolong ; Jiao Wei
	2010-10-12 ; 2010-10-12
关键词	Practical Theoretical or Mathematical Experimental/ calibration cameras demodulation optical projectors optical variables measurement random sequences space-time codes/ 3D measurement system calibration method object surface reconstruction Tsai two-step method nonlinear optimization single plane calibration block two-dimensional phase demodulation space-time coding pseudo random sequence three-step phase shifting structured light camera projector/ A0760 Optical instruments and techniques A0768 Photography, photographic instruments and techniques A4280G Optical prisms and projection systems A0620H Measurement standards and calibration B7320P Optical variables measurement B7230G Image sensors B7130 Measurement standards and calibration B6120B Codes
中文摘要	Structured light 3D measurements can quickly and accurately reconstruct object surface once they are accurately calibrated. This paper presents a calibration method for a system having one camera and one projector. The camera calibration use the Tsai two-step method and non-linear optimization using a single plane calibration block with a pattern of white circular points on a black background. The projector is calibrated in the same way as a virtual camera by capturing the calibration points in the projecting plane using two-dimensional phase demodulation. Phase demodulation uses space-time coding based on unfolding of color stripes in pseudo random sequence and three-step phase shifting. The calibration is simple, convenient and automatic. The tests show that the calibration is very accurate.
语种	中文
出版者	Tsinghua University Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/80511]
专题	清华大学
推荐引用方式 GB/T 7714	Wei Zhengliang,Zhong Yuexian,Yuan Chaolong,et al. Calibration of a 3D measurement system having one camera and one projector[J],2010, 2010.
APA	Wei Zhengliang,Zhong Yuexian,Yuan Chaolong,&Jiao Wei.(2010).Calibration of a 3D measurement system having one camera and one projector..
MLA	Wei Zhengliang,et al."Calibration of a 3D measurement system having one camera and one projector".(2010).

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