| 改进型归一化差值不透水表面指数探讨——以兰州市建成区为例 |
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| 引用本文： | 王婷,赵玲,武坚,张萍,张亚宁,张晓博.改进型归一化差值不透水表面指数探讨——以兰州市建成区为例[J].测绘与空间地理信息,2015(3):182-185. |
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| 作者姓名： | 王婷 赵玲 武坚 张萍 张亚宁 张晓博 |
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| 作者单位： | 61243部队,甘肃兰州,730020 |
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| 摘 要： | 深入分析研究区不透水表面和其他城市基本组分土地覆盖类型的特征后,通过研究已有归一化不透水表面指数(NDISI)提取方案的适用性和研究区域特点,创建出一种改进型归一化差值不透水表面指数(MNDISI),并结合实地调查分析,在中等分辨率影像上运用基于对象的方法,提出新的指数增强提取方案,实现不透水表面信息的自动准确提取,并将其作为一个范例供其他西北内陆城市借鉴。
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| 关 键 词： | 不透水表面 改进型归一化差值不透水表面指数 基于对象的影像分析 兰州市 |
Modified Form of Normalized Difference Impervious Surface Index:A Case Studyo n Urban Built-Up Area of Lanzhou City |
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| WANG Ting,ZHAO Ling,WU Jian,ZHANG Ping,ZHANG Ya-ning,ZHANG Xiao-bo.Modified Form of Normalized Difference Impervious Surface Index:A Case Studyo n Urban Built-Up Area of Lanzhou City[J].Geomatics & Spatial Information Technology,2015(3):182-185. |
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| Authors: | WANG Ting ZHAO Ling WU Jian ZHANG Ping ZHANG Ya-ning ZHANG Xiao-bo |
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| Institution: | WANG Ting;ZHAO Ling;WU Jian;ZHANG Ping;ZHANG Ya-ning;ZHANG Xiao-bo;61243 Troops; |
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| Abstract: | After analyzing various characteristics of impervious surface and the basic set of other city land cover types in study area, this article based on the Normalized Difference Impervious Surface Index ( NDISI) index, create a Modified Normalized Difference Im-pervious Surface Index( MNDISI) which is more consistent with real circumstance of the study area.Then the author explored the clas-sification methods of impervious surface in urban based on Landsat images with object-based image analysis methodology, and this method can as a successful exemplification for use of other city . |
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| Keywords: | impervious surface modified form of normalized difference impervious surface index object -based image analysis Lanzhou |
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