基于数字近景系统图像位移监测仪测量技术研究  

Research on Measurement Technology of Image Displacement Monitors Based on Digital Close-Range System

作　　者：谢福金 谢如辉 余远平 谢小芳 郑靓 Xie Fujin;Xie Ruhui;Yu Yuanping;Xie Xiaofang;Zheng Liang(Guangdong Provincial Academy of Building Research Group Co.,Ltd.,Guangzhou 510530)

机构地区：[1]广东省建筑科学研究院集团股份有限公司,广州市510350

出　　处：《仪器仪表标准化与计量》2024年第5期12-14,共3页Instrument Standardization & Metrology

基　　金：广东省绿色建筑产业测试中心项目:校准建标、校准技术研究及规范编制(编号:0100RDY2023JL0000045)。

摘　　要：本文针对国内数字近景图像位移监测仪缺乏专门校准方法的现状,提出了一种新的校准方法。该方法通过高清图像采集技术捕捉监测目标靶点的位置变化,并计算其与初始状态的相对位移值。随后,将监测仪的测量结果与可靠的参考标准进行对比,评估示值误差与重复性,从而构建一条清晰的量值溯源链,以确保图像位移监测仪的测量精度与可靠性。In response to the current absence of a dedicated calibration method for digital close-range image displacement monitors in China,this study proposes a novel calibration procedure.This procedure involves utilizing high-definition image acquisition equipment to capture the positional changes of monitored target points and compute their relative displacement values from an initial state.Subsequently,the measurement results of the monitor are compared with a reliable reference standard to evaluate the indication error and repeatability,so as to construct a clear traceability chain of the value to ensure the measurement accuracy and reliability of the image displacement monitor.

关 键 词：位移 监测 校准方法 示值误差 重复性 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]