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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 3, Iss. 11 — Nov. 10, 2005
  • pp: 640–643

Mathematical model for light scanning system based on circular laser

Peiquan Xu, Shun Yao, Fenggui Lu, Xinhua Tang, and Wei Zhang  »View Author Affiliations

Chinese Optics Letters, Vol. 3, Issue 11, pp. 640-643 (2005)

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A novel light scanning system based on circular laser trajectory for welding robot is developed. With the help of image processing technique, intelligent laser welding could be realized. According to laser triangulation algorithm and Scheimpflug condition, mathematical model for circular laser vision is built. This scanning system projects circular laser onto welded seams and recovers the depth of the welded seams, escapes from shortcomings of less information, explains ambiguity and single tracking direction inherent in "spot" or "line" type laser trajectory. Three-dimensional (3D) model for welded seams could be recognized after depth recovery. The imaging error is investigated also.

© 2005 Chinese Optics Letters

OCIS Codes
(080.0080) Geometric optics : Geometric optics
(100.0100) Image processing : Image processing

Peiquan Xu, Shun Yao, Fenggui Lu, Xinhua Tang, and Wei Zhang, "Mathematical model for light scanning system based on circular laser," Chin. Opt. Lett. 3, 640-643 (2005)

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