According to the fractal theory. a new method of complicated contour automated generalization. which is based on quantizing the features of contour lines shape. is proposed in this paper.

本文根据分形理论的基本原理，提出了一种基于量化等高线形状结构特征的复杂等高线自动综合的新方法。

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In the thesis, the algorithm of background subtracting, frame difference algorithm, motion estimation based on optical flow field and object tracking based on active shape contour are investigated.

本文研究了背景相减算法、差分法、基于光流场的运动估计和基于主动形状模型的目标跟踪算法。

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The second term is based on the shape information, which constrains the active contour to approach a shape compatible with a statistical shape model of the shape of interest.

第二项是形状能量项，它保证主动轮廓在统计形状模型所允许的范围下形变；

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