该项工艺最初由伦敦帝国理工学院研发，它是基于一种称作激光散斑的物理现象。
The process was developed initially at Imperial College, London, and is based on a phenomenon known as laser speckle.
由于目前在动态激光散斑测量的研究中缺少动态激光散斑模型，我们提出了一种基于高斯相关表面的动态激光散斑模型。
To sum up, the main innovation and creative points are as follows:(1) A dynamic laser speckle model based on Gaussian correlation random surfaces is established.
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