本文研究对彩色地图图象中的道路识别提取的问题。讨论了基于聚类分析的一种按颜色分离地图要素的算法，并对若干影响效果的问题提出了修正和解决办法。-this paper right color map image from the road recognition problem. Based on the discussion of a cluster analysis separated by color map elements of the algorithm, as well as a number of effects of the proposed amendments and solutions.