此后，将考虑对条纹插值，算出网格点位置的应变或位移的问题。
After this, the problem will be considered of how to interpolate fringes. so as to compute strain or displacements at mesh point locations.
自动网格法测量位移场需要预先在模型表面上布置人工标记点，通过分析标记点的变化来获得位移。
The mark spots are arranged on model surface by automated grid, and displacement field can be obtained by analyzing displacements of spots.
本文提出一种基于区域搜索匹配算法，利用测点的颜色信息寻找网格点，进行相似材料位移的非接触测量。
An algorithm based on area search matching was proposed. The algorithm used color information of measure points to find image grids and to measure the displacement in similar material experiment.
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