当提取图象数据中储存的资料时,将信息量化,使用数字处理技术有很多优点。大约20年前开始有这种方法,由于得到计算机技术的支持,有了非常显著的发展。在地质地下资源方面,提高图的质量和纠正位置,或者作为地图变换预处理技术得到广泛应用。一方面还要继续努力为确立进一步提取地表岩性、地形资料的技术而工作。通过这方面的研究,是使图象单元量化,或者它们的综合特征和地质现象 When extracting the data stored in the image data, the information is quantified and there are many advantages to using digital processing techniques. About 20 years ago, this method started to take a very significant development due to the support of computer technology. In geological resources, improve the quality of the map and correct the location, or as map transformation pretreatment technology has been widely used. On the one hand, we must continue our efforts to establish technologies that further extract surface lithology and topographical data. Through this research, it is to make the image unit quantified, or their combined features and geological phenomena