| 从一维正投影光流场恢复二维刚体运动和结构 |
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| 引用本文： | 储王君,高满屯,张晓鸥. 从一维正投影光流场恢复二维刚体运动和结构[J]. 南昌航空工业学院学报, 2002, 16(3): 21-23 |
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| 作者姓名： | 储王君 高满屯 张晓鸥 |
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| 作者单位： | [1]南昌航空工业学院，江西南昌330034 [2]西北工业大学，陕西西安710072 |
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| 基金项目： | 航空基础科学基金 (No.99F5 3 0 65 )，南昌航空工业学院测试技术与控制工程研究中心开放基金 (No.2 0 0 1-15 )资助项目 |
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| 摘 要： | 研究从一维正投影光流场恢复二维刚体运动和结构。证明利用一维正投影光流场中最少3个光流点可以完全确定刚体的二维旋转运动参数，一般情况下有2个解，尽管不能确定刚体的二维平移运动参数，但利用一维正投影光流场可以完全确定二维刚体的结构。文中给出了具体算例。
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| 关 键 词： | 刚体运行 正投影 光流场 视觉运行分析 刚体结构 计算机技术 |
| 文章编号： | 1001-4926(2002)03-0021-03 |
| 修稿时间： | 2002-05-17 |
Recovery of 2D rigid motion and structure from 1D orthographically projected optical flow |
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| CHU Jun ,,GAO Man tun ,ZHANG Xiao ou. Recovery of 2D rigid motion and structure from 1D orthographically projected optical flow[J]. Journal of Nanchang Institute of Aeronautical Technology(Natural Science Edition), 2002, 16(3): 21-23 |
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| Authors: | CHU Jun GAO Man tun ZHANG Xiao ou |
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| Affiliation: | CHU Jun 1,2,GAO Man tun 2,ZHANG Xiao ou 2 |
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| Abstract: | In this paper, we present a method of the recovery of the 2D rigid motion and structure from a 1D orthographically projected optical flow field. The geometric model and mathematic model of a moving rigid object are set up. It is proved that the 2D rotation parameters can be determined at least by using three optical flow points. In general, there are two groups of rotation parameters. Although the translation parameters are not obtained completely, the 2-D structure of the rigid object can be determined uniquely. A computing example is given. |
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| Keywords: | Orthographic projection Optical flow Motion Structure Visual motion analysis |
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