The second step is to detect the edge point by microcosmic operator.

然后利用微观检测算子检测出微小型零件的边缘点；

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Using the different operators do the edge detecting, found out the suitable edge detect operator for the ct image of the log.

并根据原木的CT图像对各种算子进行边缘检测试验，从中找出比较适合原木ct图像的边缘检测。

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This paper introduces the double-structure element edge detection algorithm base on morphology edge. This algorithm provides a new morphological operator to detect single pixel width edge in an image.

由此，可以根据这些性质建立类似一般性的差分算子的形态差分算子来进行边缘检测。

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