基于Snake模型的地图中河流提取算法  

Extraction Algorithm of River on Topographic Map Based on Snake Model

作　　者：辛动军[1] 周献中[2] 

机构地区：[1]南京理工大学自动化系,南京210094 [2]南京大学工程管理学院,南京210093

出　　处：《计算机工程》2006年第20期16-17,42,共3页Computer Engineering

基　　金：总装备部"十五"重点基金资助项目;江苏省自然科学基金资助项目(BK2004137)

摘　　要：地图的手工矢量化是一项耗时、费力的工作。该文根据彩色地图中河流的特点,提出利用改进的Snake模型提取地图中的河流。通过对地图中河流线的结构特征进行统计分析,寻找河流线基元;利用改进主动轮廓模型的自动跟踪功能,实现河流的最终提取。实验结果验证了本算法的有效性。The manual production of vector topographic maps can be a time consuming and costly process. In this article, based on the river characteristics on topographic maps, an improved Snake model is employed to extract river. Through statistical analysis of river structural feature on topographic map, river primitives are searched. Utilizing automated tracking function of an improved snake model extracts river finally. Validity of this algorithm is verified by experimental results.

关 键 词：地图 SNAKE模型 河流 提取 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]