Modeling and Calibration of Grid Structured Light Based 3-D Vision Inspection

Author:

Zhang Guangjun1,Ma Liqun1

Affiliation:

1. Department of Automatic Control, Beijing University of Aeronautics & Astronautics, Beijing 100083, P. R. of China

Abstract

The principle of structured light 3-D vision is introduced, and using projective and perspective transformations, the mathematical model of grid structured light based 3-D vision inspection is established in homogeneous coordinate system in this paper. Based on the image feature analysis of grid structured light, a calibration method of grid structured light based 3-D vision inspection is proposed, and experimental results are also presented. This method is easy, efficient and fast to carry out. It simplifies the calibration process while guaranteeing its accuracy. [S1087-1357(00)00703-6]

Publisher

ASME International

Subject

Industrial and Manufacturing Engineering,Computer Science Applications,Mechanical Engineering,Control and Systems Engineering

Reference15 articles.

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3. Kang, C., and Wang, H., 1995, “Wheel chair assisted with laser range finder,” SPIE, 2595, pp. 92–99.

4. Lee, J., 1993, “Design and integration of 3-D vision guided manufacturing automation systems,” Proceedings of Sino-American Technology Engineering Conference, Automation Session, pp. 25–36.

5. Mouaddib, E., Batle, J., and Salvi, J., 1997, “Recent progress in structured light in order to solve the correspondence problem in stereo vision,” Proceedings of the 1997 IEEE International Conference on Robotics and Automatics, pp. 130–136.

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