This paper introduces a new algorithm for image edge extraction and coding, an efficient method for code file organization is presented, meanwhile, the noise suppression problem is discussed.

文章介绍了一种用于图像边缘提取和编码的新算法，并提出一种链码文件的有效组织方法，同时对图像处理过程中遇到的消噪问题进行讨论。

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According to the experiment, the method is an effective one for edge extraction of the abrasive image.

实验表明该方法对于磨损图像的边缘特征提取是行之有效的。

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Remote sensing image provides the condition for Updates and application of GIS and edge extraction is important in the process.

遥感图像为地理信息系统数据的更新和应用提供了有利条件，遥感图像的特征提取是其中的关键问题。

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