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机构地区:[1]湖南省遥感中心,长沙410007
出 处:《国土资源遥感》2004年第4期59-62,共4页Remote Sensing for Land & Resources
摘 要:采用美国IKONOS卫星数据为主要信息源,通过计算机图像处理、几何校正及人机交互式解译和自动面积量算,准确地调查了岳阳市城市绿化面积。认为岳阳市城市绿化指标达到了国家标准,园林城市建设潜力很大,充分利用岳阳市水面和外围风景林是多、快、好、省的城市绿化途径,应该确立国际园林城市的发展战略。The data in this study were mainly from IKONOS images produced in USA. The methods adopted were geometric rectification and other image processing means through ENVI, manual and computer image interpretation through MapGIS and its automatic area measuring. In this way, the green area of Yueyang City was accurately figured out. This result shows that the greening ratio of Yueyang City has reached the national standard of gardenized city and that the city still has a great development potential in this aspect. The utilization of its water areas and peripheral forests seems to be a fast and economical way for further gardening this city. Yueyang City should set the strategy of becoming an international gardenized city.
分 类 号:TP79[自动化与计算机技术—检测技术与自动化装置]
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