The digital image correlation technique is used to determine the deformation field of the rock material involving the microcracks.
提出用数字图像相关技术研究含微裂纹的岩石的变形。
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。
An effective technique of measuring the shear bands is put forward using digital photogrammetry and image correlation analysis.
提出了一种基于数字照相量测和图像相关性分析技术的土体剪切带识别方法。
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