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�������պ����ѧѧ�� 2004, Vol. 30 Issue (02) :114-117    DOI:
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Field calibration technique for 3D surface non-contact measurement system
Zou Zhiyong, Li Xiaoxing, Zhou Xianbin*
School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� A simple field calibration technique was described to calibrate binocular vision senor for 3D measurement. The technique only required two cameras to observe a planar pattern shown at one position, and it did not need assistant structures. There were many control points printed on the planar pattern, through these control points to compute the homography between the model and its images. By combining evolutionary optimization strategies to get the principal points of two cameras, the focal lengths and the external parameters can be computed from homography. Compared with classical techniques, the proposed technique is simple and easy to use, and is applicable to field calibration.
Keywords�� measurement   binocular vision   calibration   evolution strategy     
Received 2002-09-28;
About author: ��־��(1977-),��,�½�������,˶ʿ��, zzy-9613@sohu.com.
��־��, ������, ���ͱ�.��ά����ǽӴ�����ϵͳ�ֳ��궨����[J]  �������պ����ѧѧ��, 2004,V30(02): 114-117
Zou Zhiyong, Li Xiaoxing, Zhou Xianbin.Field calibration technique for 3D surface non-contact measurement system[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2004,V30(02): 114-117
http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2004/V30/I02/114
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