基于单幅图像大尺寸实际平面上的光点定位方法

杨明, 仲小清, 霍炬

杨明, 仲小清, 霍炬. 基于单幅图像大尺寸实际平面上的光点定位方法[J]. 应用光学, 2011, 32(3): 430-435.
引用本文: 杨明, 仲小清, 霍炬. 基于单幅图像大尺寸实际平面上的光点定位方法[J]. 应用光学, 2011, 32(3): 430-435.
shu
YANG Ming, ZHONG Xiao-qing, HUO Ju. A3D reconstruction of feature point on large scale object surface from a single image[J]. Journal of Applied Optics, 2011, 32(3): 430-435.
Citation: YANG Ming, ZHONG Xiao-qing, HUO Ju. A3D reconstruction of feature point on large scale object surface from a single image[J]. Journal of Applied Optics, 2011, 32(3): 430-435.
shu

基于单幅图像大尺寸实际平面上的光点定位方法

  • 哈尔滨工业大学控制与仿真中心,黑龙江哈尔滨150080

详细信息
    通讯作者:

    杨明(1964-)：男，吉林蛟河人，博士，教授，博士生导师，主要从事飞行器制导与控制及复杂系统仿真理论与方法方面的研究工作.

  • 中图分类号: TP391

A3D reconstruction of feature point on large scale object surface from a single image

  • Control and Simulation Center,Harbin Institute of Technolo gy,Harbin 150001,China

摘要

    摘要
  • 摘要: 为满足某地面实验中视觉测量系统的研制需求，研究了一种基于单幅图像的大尺寸实际平面上光点的定位方法。通过建立关于实际平面上光点3D坐标的数学模型，结合利用图像确定的通过光点的空间光束，实现了由单幅图像确定光点的3D坐标。依据具体特点，把实际平面分为高阶曲面型、分块平面型和分块曲面型3种类型，并分别给出了相应类型的光点定位方法。仿真实验验证了所提出方法的正确性，并比较分析了方法的精确性；实际试验数据表明，所提出方法可以满足尺寸为8000mm8000mm的大型实际平面上光点的定位需求，定位误差小于1mm。
    Abstract: For the design and development of a vision sensor for the ground test, a method of 3D reconstruction of feature point on large scale object surface from a single image is proposed. By establishing the math model of the 3D coordinate of feature point on the object surface and using the spatial ray through feature point, the 3D coordinate of the feature point can be determined using sigle image. According to the characteristics, the object surface can be classified into three types, high order surface type, block plane typeand block surface type, while the corresponding location methods are introduced . Simulation experiment is conducted to compare the accuracy of three different 3D reconstruction methods, and the proposed method performs the best. By the measurement precision of 1 mm in the range of 8000mm8000mm, it is proved that the proposed method is suitable for 3D reconstruction of feature point on large scale object surface.
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  • 刊出日期:  2011-05-14

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