| 基于共面法的视觉传感器的标定方法 |
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| 引用本文： | 解则晓,程传景,金明. 基于共面法的视觉传感器的标定方法[J]. 中国机械工程, 2006, 17(16): 1690-1693 |
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| 作者姓名： | 解则晓 程传景 金明 |
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| 作者单位： | 中国海洋大学,青岛,266071 |
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| 摘 要： | 提出了一种基于平面网格靶标的视觉传感器的标定方法。首先利用平面网格靶标来获取标定点，同时利用交比不变原理不断修正镜头的畸变参数，从而提高了标定点的精度，然后根据这些标定点利用RAC算法对视觉传感器的内外参数进行标定。试验结果表明，基于共面法的视觉传感器的标定方法操作简便，切实可行，具有较高的精度。
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| 关 键 词： | 视觉传感器 畸变参数 标定 交比不变 平面网格靶标 |
| 文章编号： | 1004-132X（2006）16-1690-04 |
| 收稿时间： | 2005-10-08 |
| 修稿时间： | 2005-10-08 |
A Calibration Method for Vision Sensor Based on Coplanarity |
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| Xie Zexiao,Cheng Chuanjing,Jin Ming. A Calibration Method for Vision Sensor Based on Coplanarity[J]. China Mechanical Engineering, 2006, 17(16): 1690-1693 |
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| Authors: | Xie Zexiao Cheng Chuanjing Jin Ming |
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| Affiliation: | Ocean University of China, Qingdao, Shandong, 266071 |
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| Abstract: | A calibration method of vision sensors based on a planar gridding target was presented. By using a planar gridding target calibration points could be achieved, and the precision of these calibration points were improved through revising the distortion coefficients of lens according to the principle of cross ratio invariability. Then RAC arithmetic was applied to calibrate intrinsic and extrinsic parameters of the vision sensor. Experimental results show that this method is simple and practical with high precision. |
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| Keywords: | RAC |
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