A new 3D shape precision measurement system calibration method based on non-diffraction grating structured light projection

Ya Zhu; Liping Zhou; Wenlong Li; Jianghong Gan; Long Xu

doi:10.1117/12.2234788

2 March 2016 A new 3D shape precision measurement system calibration method based on non-diffraction grating structured light projection

Ya Zhu, Liping Zhou, Wenlong Li, Jianghong Gan, Long Xu

Author Affiliations +

Proceedings Volume 9901, 2nd ISPRS International Conference on Computer Vision in Remote Sensing (CVRS 2015); 99011A (2016) https://doi.org/10.1117/12.2234788
Event: 2015 ISPRS International Conference on Computer Vision in Remote Sensing, 2015, Xiamen, China

Abstract

Phase calculation-based fringe projection techniques are widely used in three-dimensional shape measurement fields to obtain the 3D shape data of the object’s surface. One important step of the phase calculation is calibration, which determines the relationship between the image phase and depth information. The traditional calibration methods are too complex and require many parameters. In this paper, model of 3D shape precision calibration method based on non-diffraction grating structured light fringes projection is proposed, which is consist of camera model, fringe phase obtaining, height-phase relationship model. This method is simple, convenient and there is no approximation in it, which can satisfy the precision measurement.

Citation Download Citation

Ya Zhu, Liping Zhou, Wenlong Li, Jianghong Gan, and Long Xu "A new 3D shape precision measurement system calibration method based on non-diffraction grating structured light projection", Proc. SPIE 9901, 2nd ISPRS International Conference on Computer Vision in Remote Sensing (CVRS 2015), 99011A (2 March 2016); https://doi.org/10.1117/12.2234788

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