Aimed at the appearance of multi-pixels width of skeleton, this paper gave the definition of tip, node, tail and burr, and a design of an algorithm for iteration burr.

针对数学形态学骨架化算法可能出现的多像素宽度情况，定义了端点、节点、尾支和毛刺等概念，在此基础上设计了一种分级毛刺去除算法。

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When everyone in unison replied, "an iceberg, " he displayed a beautiful high-definition image of an iceberg on the screen: the tip of the iceberg was clearly visible above the water;

而非展示图表，图形和表格来展开演讲，当大家在齐声回答“冰山”时，总裁在大屏幕上展示出了一张冰山的高清图像：水面之上的冰山清晰可见，更多部分则是水面之下依稀可见的巨大冰块。

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