The descriptive method of local contour sequence (LCS) is introduced and improved. A method of matching and tracking based on the characteristic of image edge is presented.

介绍了目标轮廓lcs描述，并对其进行改进，建立了基于目标轮廓的特征匹配跟踪方法。

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A method of contour prediction is presented which is based on the path coherence and limited contour expand, it can be divided into two courses: global prediction and local modification.

构造了一种基于路径连贯性和有限轮廓膨胀的轮廓预测方法，方法将轮廓预测分为全局预测和局部修正两个过程。

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