一种单双目视觉结合的实时激光三维测量方法  

A New Real-Time 3D Laser Measurement Method by Combing Binocular and Monocular Vision

作　　者：崔海华[1] 翁金平 程筱胜[1] 张晨博[1] 

机构地区：[1]南京航空航天大学机电学院,江苏南京210016

出　　处：《光学与光电技术》2016年第6期50-57,共8页Optics & Optoelectronic Technology

基　　金：国家自然科学基金(51305201);江苏省自然科学基金(BK20130793)资助项目

摘　　要：为满足实时、高效、高精度的便携式三维测量要求,提出了一种基于十字激光线的三维测量方法。综合线结构光和双目立体视觉两种测量原理的优点,设计了新颖的融合式测量模型,解决了局部线激光数据到全局面数据的转换;创新性的十字激光线结构光模式,相比于传统的一字激光线测量效率提升2倍;提出的基于GPU加速的自适应阈值的激光线提取方法,实现了激光线中心的亚像素精确、实时提取和三维测量;设计的匹配能量法稳定、精确地解决了便携式测量过程中的数据拼接,实现了局部坐标系到全局坐标系的数据统一;最后利用搭建的软硬件平台进行了测量性能参数验证,结果表明满足实时高精度测量应用的需求。In order to acquire the real-time, high efficiency, high-precision and portable 3D measurement, a three-dimension- al laser measurement method based on cross laser is presented in this paper. First, a new converged measurement model con- sidering the both advantages of line structured light and stereo vision method is designed. This measurement model is an ef- fective solution to the conversion between the local line data and surface data. The measurement system with the novel cross laser pattern has a twice efficiency than the traditional line laser. The proposed laser extraction method based on adaptive threshold GPU acceleration is excellent to achieve the laser line center high accurately and real-time three-dimensional meas- urement. The developed matching method based on the energy law nally, the acquired experiment results with the built software and the laser measurement system. is a stable and accurate solution for data registration. Fi- hardware platform verify the performance parameters of

关 键 词：三维测量 结构光 立体视觉 交叉激光 实时 

分 类 号：O436[机械工程—光学工程]