| 基于线结构光的三维测量系统关键技术研究 |
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| 引用本文： | 余乐文,张达,张元生.基于线结构光的三维测量系统关键技术研究[J].光电子．激光,2016(2):156-161. |
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| 作者姓名： | 余乐文 张达 张元生 |
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| 作者单位： | 北京矿冶研究总院,金属矿山智能开采技术北京市重点实验室,北京 102628 ;北京 科技大学 机械工程学院,北京 100083;北京矿冶研究总院,金属矿山智能开采技术北京市重点实验室,北京 102628;北京矿冶研究总院,金属矿山智能开采技术北京市重点实验室,北京 102628 |
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| 基金项目： | 国家高技术研究发展计划“863”计划(2011AA060405)和国家自然科学基金(41301436)资助项目 (1.北京矿冶研究总院,金属矿山智能开采技术北京市重点实验室,北京 102628; 2.北京 科技大学 机械工程学院,北京 100083) |
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| 摘 要： | 提出了一种基于线激光、工业相机 、步进电机和 计算机的结构光的单目视觉三维扫描测量系统,阐述了其工作原理,建立几何数学模型,搭 建了系统试验平台,并基于灰度平方加权重心法提取光条中心。实验结果表明, 系统测量误差小于±0.03mm,光条中心提取精度达到亚像素级,满 足工业测量应用需求。
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| 关 键 词： | 线激光 激光三角法 光条中心提取 三维重建 |
| 收稿时间： | 2015/8/19 0:00:00 |
Study on key technologies of three-dimensional measurement system based on line structure light |
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| YU Le-wen,ZHANG Da and ZHANG Yuan-sheng.Study on key technologies of three-dimensional measurement system based on line structure light[J].Journal of Optoelectronics·laser,2016(2):156-161. |
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| Authors: | YU Le-wen ZHANG Da and ZHANG Yuan-sheng |
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| Affiliation: | Beijing Key Laboratory of Nonferrous Intelligent Mining Technology,Beijing Ge neral Research Institute of Mining and Metallurgy,Beijing 102628,Ch ina;College of Mechanics Engineering,Beijing University of Science and Techno logy,Beijing 100083,China;Beijing Key Laboratory of Nonferrous Intelligent Mining Technology,Beijing Ge neral Research Institute of Mining and Metallurgy,Beijing 102628,Ch ina;Beijing Key Laboratory of Nonferrous Intelligent Mining Technology,Beijing Ge neral Research Institute of Mining and Metallurgy,Beijing 102628,Ch ina |
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| Abstract: | This paper puts forward a three-dimensional measurement system,which is composed by a line laser,an industrial camera,a stepper motor and computer.Describes its operating princip le is described,the geometric mathematical model is established,and a test platform is built.The centerline ex traction of structured light stripe based on gray square weighted centroid algorithm is proposed.The test results show that the accuracy of the centerline extraction method is sub-pixel level,and the system measuring error is less than ±0.03mm,which mee ts the needs of industrial applications. |
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| Keywords: | line laser laser triangulation centerline extraction three-dimensional recon struction |
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