Formation of a single image of material surfaces to measure displacement and strain fields

被引：7

作者：

Kibitkin V.V. ^{[1
]}

Solodushkin A.I. ^{[1
]}

Pleshanov V.S. ^{[1
]}

Lychagin D.V. ^{[2
]}

机构：

[1] Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences, Tomsk 634021

[2] National Research Tomsk Polytechnic University, Tomsk 634050

来源：

Optoelectronics, Instrumentation and Data Processing | 2011年 / 47卷 / 04期

关键词：

digital image correlation; image stitching; sliding window; strain; vector field;

D O I：

10.3103/S8756699011040108

中图分类号：

学科分类号：

摘要：

This paper considers the problem of reducing the computation time in the formation of a single image based on its individual fragments using the sliding window method. A payoff function is obtained. Numerical simulation helped demonstrating the effect of the measurement error and the window size on the accuracy of determination of the shift coordinates of the fragments. The choice of the form of the functional and the window size is substantiated. © 2011 Allerton Press, Inc.

引用

页码：388 / 394

页数：6

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