基于IBI指数和ISODATA的城市建成区提取对比分析

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英文篇名：Comparative Analysis of Urban Built-up Area Extraction Based on IBI Index and Unsupervised Classification 作者：周伯燕 英文作者：Zhou Boyan;College of Environment and Planning,Henan University; 关键词：城市建成区 ; 遥感影像 ; 建筑用地指数 ; ISODATA ; 信息提取 英文关键词：urban built-up area;;remote sensing image;;construction land index;;ISODATA;;information extraction 中文刊名：HNKJ 英文刊名：Journal of Henan Science and Technology 机构：河南大学环境与规划学院; 出版日期：2016-07-05 10:54 出版单位：河南科技 年：2016 期：No.583 语种：中文; 页：HNKJ201605055 页数：2 CN：05 ISSN：41-1081/T 分类号：155-156

摘要

以苏州市市辖区为研究区,运用2000年和2015年两期两景Landsat遥感影像,结合建筑用地指数(IBI)和非监督分类的ISODATA分类方法,对苏州市市辖区建成区进行信息提取,并进行精度验证。结果表明,IBI指数提取精度优于ISODATA分类,能够很好地用于建成区提取;15a间苏州市市辖区建成区呈向外围扩张趋势,但扩张不明显。
        Taking Suzhou municipal district as a case,based on the two landsat remote sensing images in2000 and 2015,this study extracted the information of Suzhou municipal district built up area by using the method of the construction land index(IBI) and ISODATA,and at the same time,its precision was verified.The results showed that the extraction effect of IBI index was better than that of ISODATA classification,and it could be used in the built-up area extraction well;Druing the 15 years,the Suzhou municipal district was in a tendency to expand,but the expansion was not obvious.

引文

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