【作者】 崔海华； 王震； 廖文和； 戴宁； 程筱胜；

【Author】 Cui Haihua Wang Zhen Liao Wenhe Dai Ning Cheng Xiaosheng (College of Mechanical and Electrical Engineering,357#,Nanjing University of Aeronautics &Astronautics,210016)

【机构】 南京航空航天大学机电学院；

【摘要】 本文提出了一种新颖的结构光三维测量模型。首先对基于光学的测量原理——三角法测量原理做了描述,依此为基础提出了一种全新的使用单相机和单投影仪的三维测量模型;然后,对相机的数学模型做了详细介绍,并以相机模型为基础详细推导出了一种简化的投影仪数学模型,并对该投影仪数学模型做了分析,拓宽了使用的结构光的选择范围,可以选择有效而且易于处理实现的结构光;最后,以此系统模型,建立了一个测量装置,对实物做了测量实验,实验结果表明该系统高效、有较高的精度且易于实现,单视角测量点数为130万,测量范围为500mm×400mm,水平测量点距为0.5mm,单片点云系统整体测量误差0.1mm。总之,该系统模型不同于对相机、投影仪的相对位置有严格要求限制的传统系统模型,该系统模型能任意地放置相机和投影仪,而且使所用的投射结构光有很宽的选择范围。更多还原

【Abstract】 A novel,easy and efficient 3D measurement model is presented in this paper.At first,according to triangle measurement principle,we develop a fire-new 3D measurement model,which is composed of a monocamera and a monoprojector;then,an easy and efficient projector’s mathematics model is deduced,on basics of the mathematics model for the camera,the results of analysising it show that it’s good to widen the optional range of used structured rays.At last,we set up a measurement device and do some experimentations with it,the experimental results are shown.This method is proved to be efficiently,high precision and easily implemented,point amount of a single view is 1.3 million,measurement range is 450mm×400mm,and lateral points distance is 0.5mm,the global error is 0.1mm.In short,this model is different from those traditional ones which are strict with the positions of the cameras and projectors,In this model,cameras and projectors can be put arbitrarily and the structured lights used in the model have a wide-range of option.更多还原