In order to detect the surface profile of optical component online, a method of 3D surface profile detection based on the combination of linear structured light scanning measurement and stereoscopic vision measurement is proposed. This detection method, however, is a new trial in this field since it is normally used for detecting the elements with high reflectivity. 3D reconstruction algorithm in this detection is achieved by MATLAB and VC+ +. The results of the experiments show that the method can reconstruct the three-dimensional exterior characteristics of the optical component truly and accurately, therefore, research in this field is feasible and rewarding.%为了在线检测光学元件面形,介绍一种基于线结构光扫描测量和立体视觉测量相结合的三维检测方法,目前这种方法多用于检测高反射率的物体,因此将该方法运用于检测光学元件面形是一种新的尝试.实验的三维重建算法是通过MATLAB和VC++软件共同编写程序实现的,实验结果表明,将这种方法运用于检测光学元件是可以真实还原光学元件三维外貌特性的,所以它的研究具有可行性和研究价值.
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