三维激光扫描仪分辨率的测试方法  

Test Method for the Resolution of Three-dimensional Laser Scanner

作　　者：陈涛[1] 刘桂昌[1] 张倩[1] 魏朗[1] 

机构地区：[1]长安大学汽车学院交通部汽车运输安全保障技术重点实验室,陕西西安710064

出　　处：《自动化仪表》2012年第10期65-68,共4页Process Automation Instrumentation

基　　金：国家科技支撑计划基金资助项目(编号:2009BAG13A07);国家自然科学基金资助项目(编号:50908020/E080701)

摘　　要：为获取便携式三维激光扫描仪分辨率与扫描范围间的量化关系,以Creaform公司的Handyscan EXAscan扫描仪获取标准块在不同分辨率等级下的点云数据,应用逆向校核软件Geomagic Qualify测试试验数据样本,并采用方差分析和加权平均的统计方法分析样本数据。试验结果显示,EXAscan扫描仪的四级分辨率与扫描范围间均呈线性关系,且拟合度均超过0.979,该测试方法可快速有效地判别三维激光扫描仪的分辨率水平。In order to acquire the quantitative relationship between the resolution and scanning range of the portable 3D laser scanner, the Handyscan EXAscan scanner of Creaform Inc. is applied to get the point cloud data of the reference block under different resolution degree, and the reverse checking software Geomagic Qualify is used to test the experimental data sample, and the statistical method of analysis of variance （ANOVA） and weighted average are adopted to analyze the sample data. The test result shows that there is a linear relationship between the four resolution levels and sanning ranges of EXAscan scanner, and the fitness is greater than 0. 979, this test method can quickly and efficiently distinguish resolution level of 3D laser scanner.

关 键 词：三维激光扫描仪 加权平均法 方差分析 分辨率 拟合 鉴定 

分 类 号：TP204[自动化与计算机技术—检测技术与自动化装置]