| 模型变形视频测量的相机位置坐标与姿态角确定 |
| |
| 引用本文： | 罗川,张征宇,孙岩,喻波.模型变形视频测量的相机位置坐标与姿态角确定[J].实验流体力学,2010,24(6):88-91. |
| |
| 作者姓名： | 罗川 张征宇 孙岩 喻波 |
| |
| 作者单位： | 西南科技大学信息工程学院,四川,绵阳,621010 |
| |
| 基金项目： | 国家“973”计划课题(2009CB723802)资助项目; 空气动力学国家重点实验室基金资助项目 |
| |
| 摘 要： | 高速风洞试验中的模型变形视频测量(VMD)要求双(多)相机大角度大重叠的测量方式,而通过现有共线方程的线性化模型难以取得高精度的相机位置与姿态角,故推导包含共线方程泰勒展开二次项的非线性误差模型,建立3控制点的VMD相机位置与姿态确定技术.多个工程实例表明该技术能取得高精度的相机位置坐标与姿态角,有实用价值.
|
| 关 键 词： | 模型变形测量 大角度 共线方程 相机位置与姿态 |
Exterior orientation for videogrammetric model deformation measurement |
| |
| LUO Chuan,ZHANG Zheng-yu,SUN Yan,YU Bo.Exterior orientation for videogrammetric model deformation measurement[J].Experiments and Measur in Fluid Mechanics,2010,24(6):88-91. |
| |
| Authors: | LUO Chuan ZHANG Zheng-yu SUN Yan YU Bo |
| |
| Institution: | LUO Chuan1,ZHANG Zheng-yu1,2,3,SUN Yan2,YU Bo3(1.Information Engineering College,Southwest University of Science and Technology,Mianyang Sichuan 621010,China,2.State Key Laboratory of Aerodynamics,Mianyang Sichuan 621000,3.China Aerodynamics Research and Development Centre,China) |
| |
| Abstract: | The orientation elements are difficult iterations to the correct solution for the linear equation model of the collinearity,because big-angle large overlap is used for videogrammetric model deformation measurement in high-speed wind tunnel.Therefore the error non-linear equations with Taylor series quadratic based on the collinearity equation are derived,and their numerical solution is established in this paper.The examples have demonstrated the method of this paper can calculate exterior orientation for bi... |
| |
| Keywords: | model deformation measurement big angle collinearity equation exterior orientation |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《实验流体力学》浏览原始摘要信息 |
| 点击此处可从《实验流体力学》下载免费的PDF全文 |
|
