而后用图像通过滤波器来观察，即所谓的视差屏障（parallax barrier），其实主要就是一个划有很多垂直狭缝的观察屏。
The images are then viewed through a kind of filter--called the parallax barrier--that essentially is a screen with a bunch of vertical slits in it.
通过土壤表层图像的中值滤波、图像模式转换和“坏区”过滤，提取图像的特征参数——灰度值，并对土壤表层图像的灰度值与其含水率的关系进行了试验研究。
After median filtering, image mode transforming, and "bad area" filtrating to images of soil layer, the authors extract the characteristic parameter of a image, that is gray-value, and c.
然后将待检图像通过滤波和分割来得到检测结果，同时根据响应矩阵的极小值点来计算缺陷的形状特征。
Meanwhile, the shape characteristics of defects are also achieved from the distribution of minimums of response matrix. The approach is used to detect the flaw of cord fabrics.
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