The basic principle of speckle image correlation digital technique was introduced firstly in this paper.
文中首先介绍了散斑图像相关数字技术的基本原理,然后给出了变形计算公式.
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The methods of the digital image correlation technology and digital image difference technology were presented.
研究基于灰度图像匹配的分析方法,提出了相关法和差分法.
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