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A Method of Line Structured Light Vision System Calibration Based on Stereo Vision

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Abstract:

It is a difficult task to get enough numbers of highly accurate control points for projector calibration in line structured light vision system. A new projector calibration method based on binocular stereo vision is proposed in this paper. Two cameras calibration can be done usingtraditional camera calibration method and they composed a binocular stereo vision. In projector calibration procedure, a planar template was located at several different positions in front of the stereo vision system. Two cameras captured the stripe images in each position simultaneously. Every center points of the laser stripe can be used as control points of the projector plane. The 3D coordinate of the stripe center points can be obtained through binocular stereo vision principle easily. So the light plane can be calculated quickly. Experiments were carried out and the result shows that the proposed method is flexible and stable.

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Periodical:

Applied Mechanics and Materials (Volumes 397-400)

Pages:

1453-1458

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.397-400.1453

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Cite this paper

Online since:

September 2013

Authors:

Yu Bao Liu, Bin Liu, Jun Yi Lin

Keywords:

Binocular Stereo Vision, Calibration, Control Points, Planar Template, Planar Template, Structured Light

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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