| 计算机视觉测量准二维控制场建设 |
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| 引用本文： | 余加勇,邹峥嵘,朱建军.计算机视觉测量准二维控制场建设[J].测绘科学,2008,33(4). |
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| 作者姓名： | 余加勇 邹峥嵘 朱建军 |
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| 作者单位： | 1. 湖南大学土木工程学院,长沙,410082;中南大学测绘与国土信息工程系,长沙,410083
2. 中南大学测绘与国土信息工程系,长沙,410083 |
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| 基金项目： | 教育部博士点基金
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德兴铜矿"露天矿区重大危险性崩塌滑坡检测方法与预警体系的研究"项目 |
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| 摘 要： | 准二维控制场建设是建立CCD摄像机数字畸变模型的关键性工作。准二维控制场按CCD摄像机芯片长宽比4:3设计,并以相片纸为介质、以双矩形为图案、以黑白为色调制作了345个均匀分布的控制点。采用单机式积木型电子经纬仪工业测量系统测量准二维控制场的控制点三维坐标,观测值的点位中误差优于±0.15mm。研究结果表明利用准二维控制场建立CCD摄像机的数字畸变模型,其建设费用低、精度高、使用方便。
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| 关 键 词： | 计算机视觉 准二维控制场 经纬仪工业测量系统 数据处理 |
Establishment of Quasi-2D control field for computer vision measurement |
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| YU Jia-yong,ZOU Zheng-rong,ZHU Jian-jun.Establishment of Quasi-2D control field for computer vision measurement[J].Science of Surveying and Mapping,2008,33(4). |
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| Authors: | YU Jia-yong ZOU Zheng-rong ZHU Jian-jun |
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| Abstract: | Establishment of quasi-2D control field was a key step to founding CCD camera digital distortion model.The quasi-2D control field was set up in 3.52m×2.24m region.345 control points,with photo paper as agent,and made up with two squares,and designed with black and white colours,were evenly distributed in the quasi-2D control field.The 3D-coordinates of control points in the quasi-2D control field were measured by single measurement model electronic theodolite industrial surveying system of "Building Blocks Type".The measurement accuracy of the result excels 0.15mm.The study result shows that foundation of CCD camera digital distortion model with quasi-2D control field is cheap,accurate and convenient. |
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| Keywords: | computer vision quasi-2D control field electronic theodolite industrial measuring data processing |
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