光栅投影相位法系统模型及标定方法

安东; 陈李; 丁一飞; 邓连杰; 王永红

doi:10.3788/CO.20150802.0248

Volume 8 Issue 2

Apr. 2015

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Chinese Optics > 2015 > 8(2): 248-254.

AN Dong, CHEN Li, DING Yi-fei, DENG Lian-jie, WANG Yong-hong. Optical system model and calibration of grating projection phase method[J]. Chinese Optics, 2015, 8(2): 248-254. doi: 10.3788/CO.20150802.0248

Citation:

AN Dong, CHEN Li, DING Yi-fei, DENG Lian-jie, WANG Yong-hong. Optical system model and calibration of grating projection phase method[J]. Chinese Optics, 2015, 8(2): 248-254. doi: 10.3788/CO.20150802.0248

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Optical system model and calibration of grating projection phase method

doi: 10.3788/CO.20150802.0248

School of Instrument Science and Opto-electronics Engineering, Hefei University of Technology，Hefei 230009，China

Received Date: 12 Nov 2014
Accepted Date: 13 Jan 2015
Publish Date: 25 Apr 2015

Abstract

Abstract

In this paper, the traditional optical triangulation model based on phase method is improved, and a new model and calibration method are used which is independent of geometric parameters. The new model requires only calculating phase difference thorough phase shift formula without adding any geometry position parameters, which simplifies the requirement of resolving the altitude matrix. Parallel tests show with the new model, a measurement error of 0.107 mm is reached, showing a good accuracy. Through the study of this paper. This new model calibration method can overcome the limitations of traditional method and minimize the error sources as well as improve the capability of anti-interference.
- 3D profile,
- grating projection,
- phase,
- calibration,
- system model

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References(12)

References

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