摘要
道路信息不仅是一种重要的基础地理信息,而且可以作为提取其他地物目标的线索和参考系,从影像中提取道路是一个研究热点,具有很强的现实意义。首先阐述了道路提取的基本思想以及与道路提取有关的背景知识,然后介绍了国内外比较成熟的理论与技术,最后总结并展望了道路提取的发展趋势。
Road feature is not just a kind of important basic geographic information,but can serve as the clew and reference system of other surface features extraction.It is a hotspot to research the road feature extraction from images,which has great practical significance.This paper made a comprehensive exposition about relevant knowledge on road feature extraction.First,the basic thought and relevant backguound knowledge of road feature extraction were introduced.Then some comparative mature theories and technologies were showed.Finally,we forecast the development trend of road feature extraction.
出处
《地理空间信息》
2010年第6期108-111,共4页
Geospatial Information
基金
国家自然科学基金资助项目(40874010)
江西省自然科学基金资助项目(008GZS0041)
江西省教育厅重点资助项目(GJJ10022)
关键词
道路提取
自动道路提取
半自动道路提取
road feature extraction
automatic road extraction
semi-automatic road extraction