遥感影像上线状目标自动提取研究现状与思考

RESEARCH ACTUALITY AND THOUGHTS ON THE AUTOMATIC EXTRACTION OF LINEAR OBJECTS FROM REMOTE SENSING IMAGES

自动识别遥感影像上的目标 ,快速、准确地获取所需信息是遥感数据处理的主要发展方向。从分析遥感影像上道路的基本特征出发 ,探讨了道路提取的基本思想 ,总结了国内外关于道路半自动提取的现状 ,综述了常用的提取算法 。

Automatic recognition and acquisition of the objective information from remotely sensed images is a main developing direction of remote sensing data processing. As a classical question,automatic linear feature extraction from remote sensing images has attracted extensive attention. Automatic and semiautomatic road extraction is still a research hotspot. In this paper, by analyzing the basic road features in remote sensing images, the essential thought of road extraction is discussed, the actuality of semiautomatic road extraction home and abroad is summarized, the popular methods of road extraction are concluded and finally the thoughts and the plans of further research on this subject are presented.