A comparative study of random speckle pattern simulation models in digital image correlation

被引：15

作者：

Gu, Guoqing ^{[1
]}

机构：

[1] Yancheng Inst Technol, Dept Civil Engn, Yancheng 224051, Jiangsu, Peoples R China

来源：

OPTIK | 2015年 / 126卷 / 23期

关键词：

Digital image correlation (DIC); Computer-generated speckle patterns; In-plane translation and rotation; Measurement relative error; DISPLACEMENT; APERTURES;

D O I：

10.1016/j.ijleo.2015.08.271

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Digital image correlation (DIC) is a non-contact and powerful optical metrology for full-field measurement of deformation and strain fields. In DIC, computer-generated random speckle patterns are usually used for the performance verification of DIC due to the advantages of well-controlled, high sensibility and high correlation coefficient. Comparative studies of the different random speckle patterns simulation models are presented. The verification of the simulation models is investigated through a DIC method for determination of in-plane translation and rotation, respectively. Finally, the deformation measurement relative errors corresponding to different simulation models are shown. (C) 2015 Elsevier GmbH. All rights reserved.

引用

页码：3713 / 3716

页数：4

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