To adopt white light digital speckle correlation method, so as to observe the coal body's deformation and destruction law in pick cutting course.
采用白光数字散斑相关的方法，观测截齿截割作用下的煤体变形破坏情况。
The experimental result indicated that it is still satisfying to obtain the light field with this method even if the speckle noise is very heavy.
实验结果表明，即使在散斑噪声很大的情况下用该方法得到的光场依然是令人满意的。
In this paper, a new method for the white-light image processing using speckle modulation screen is presented.
本文提出了白光图象处理的一种新方法——散斑调制屏法。
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