吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (增刊1): 344-347.

• paper • Previous Articles     Next Articles

Coding method for high-density combination structured light

GAO Li-li1, LU Shao-fang2, GUO Fu-qiang2, ZHANG Chao2   

  1. 1. School of Engineering and Technical, Jilin Agriculture University, Changchun 130118, China;
    2. College of Communication Engineering, Jilin University, Changchun 130022, China
  • Received:2011-02-27 Online:2011-09-01 Published:2011-09-01

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Abstract:

To improve sampling density and curtail sampling instant,coding method for non-contact combination structured light was proposed.Firstly,a series of Gray code and binary image are constructed by computer,and projected onto the object to be tested according to a certain chronological order.Then,extracted the edge of gray code and the center of white binary stripes,and decoded by setting point on them as the sampling point.Through increasing the binary stripes,the decoding error of the gray code was eliminated,the rich features wrere gotten,and the tree-dimensional reconstruction of the object was easily built.Experimental results show that this technique simplifies the grating projection steps,improves the accuracy of reconstruction,and has good real-time performance and effectiveness.

Key words: information processing, structured light, 3D reconstruction, Gray code, binary stripe

CLC Number: 

  • TP242.6


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