Various algorithms of mathematical morphology are researched, they include hit or miss Transformation, edge detection and morphological grads, etc.
研究了多种目标提取的数学形态学算法，包括击中与击不中变换、边缘检测与形态学梯度等。
Secondly, on the basis of morphological, with the principle of transformation between hit and miss, the digital image with thinned is carried out in eight direction frame.
其次，本文根据数学形态学的知识，利用击中击不中变换原理，采用八方向结构对实现了对数字图象的细化处理。
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