After operation, the cut was gradually changed into ulcer with red base covered with white secretion.

外院诊断为黄色肉芽肿，手术切除后，切口出现溃疡、轻度糜烂、基底红、上覆白色分泌物。

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Abstract : The role of patents has changed from defensive tool into strategic tool in high-tech enterprises; thus, patents are becoming more and more important in the operation of enterprises.

摘要 专利在企业生产经营中的重要性日益显现，其作用已从防御性手段转变成战略性工具。

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Firstly, gray image changed into binary image. Then, noise and stub burr is removed by using basic operation of mathematical morphology-dilation and closing operation.

首先对灰度图进行二值化处理，然后利用数学形态学的基本运算——膨胀运算和闭运算对二值图进行消噪及去毛刺处理。

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