基于计算机图像法测量物体位移及应变  

Study on measurement of displacement and strain based on computer image processing

作　　者：李季平[1] 梁大开[1] 

机构地区：[1]南京航空航天大学,江苏南京210016

出　　处：《激光杂志》2008年第4期23-25,共3页Laser Journal

基　　金：国家自然基金(60477031)

摘　　要：研究基于计算机图像法运用激光测量物体位移及应变的方法。两个正交的图像记录系统,在试件产生位移后,记录试件被多束光所照射形成的图像。图像输入计算机,利用记录光路系统的几何参数,计算得试件上诸光点所产生的位移或应变大小。由误差修正理论,给出各位移的不确定度。实验结果证明测量方法是正确的。Study on measurement for measuring displacement and strain of object by use of laser based on computer image.After the object with some measured light points,comes into being displacement and strain,images of the measured object are simultaneity recorded in two X,Y-directions using two orthogonal image-record systems.Based on the technique of computer image processing,the displacements or stain of every measured point may be obtained with the help of parameters of the optical system.In addition,with the the...

关 键 词：图像处理 位移 应变 不确定度 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]