中文摘要：

提出了一种基于边界标定自动机获得二值图像Freeman编码的高效算法，并介绍了基于自动机获得二值图像区域的顶点链编码以及边界码的算法。实验证明，基于自动机获得各种链编码的算法具有高效率、高精确度等优点。

英文摘要：

The paper presents an effective algorithm of getting Freeman chain code of binary images region based on boundary labeling automation, and introduces two other algorithms of getting vertex chain code and boundary chain code based on automation. Experiments prove that these algorithms based on automation are more effective and accurate.