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以上来源于: WordNet
N a point whose coordinates satisfy the equation of a curve although it does not lie on the curve; an isolated point. The origin is an acnode of the curve y² + x² = x³ 孤点
height , summit , sky , peak , apex
The algorithm includes two major phases: 1)removing white noise and acnode noise by threshold segmentation and grayscale neighborhood property respectively;
该算法的主要步骤分两步：1）分别采用阈值分割和灰度邻域属性法消除白噪声及孤点噪声；
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