In this paper, the method for feature extraction and selection of handwriting signature is discussed. On this basis, a functional algorithm of special points extraction has been presented.

介绍了手写签名特征抽取和选择的一般方法，并在此基础上，提出了一种实用的签名笔迹特殊点提取算法。

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Aim at some discrete points after contour extraction subtracting contour tracing, a special filter is designed to eliminate these discrete points, and at the same time to keep the continuous contour.

针对轮廓提取减去轮廓跟踪后的图像出现的离散点，提出了一种专门的滤波方法，消除离散点，保证图像轮廓的连续。

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