| 采用图像差值法提取土地利用变化信息方法—以攀枝花仁和区为例 |
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| 引用本文： | 范海生,马蔼乃,李京.采用图像差值法提取土地利用变化信息方法—以攀枝花仁和区为例[J].遥感学报,2001,5(1):75-80. |
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| 作者姓名： | 范海生 马蔼乃 李京 |
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| 作者单位： | 北京大学 遥感与地理信息系统研究所, |
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| 基金项目： | 国家“九五”重中之重科技攻关项目(96-B02-01-07)子专题研究工作部分成果总结。 |
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| 摘 要： | 在遥感、地理信息系统和全球定位系统技术综合应用于山区土地资源动态监测领域的研究工作中，探讨采用以图像差值法为主，分类后比较法为辅提取土地利用信息的基本思路和方法，提出采用定量统计分析的方法来选择合适的差值计算波段和相应的变化阈值。在数据分析过程中，GPS测量数据发挥了重要作用。
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| 关 键 词： | 遥感图像处理 变化信息提取 土地利用变化 全球定位系统技术 土地资源 GPS |
| 文章编号： | 1007-4619 (2001) 01-0075_06 |
| 收稿时间： | 1999/8/26 0:00:00 |
| 修稿时间： | 1999年8月26日 |
Case Study on Image Differencing Method for Land Use Change Detection Using Thematic Data in Renhe District of Panzhihua |
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| FAN Hai-sheng,MA Ai-nai and LI Jing.Case Study on Image Differencing Method for Land Use Change Detection Using Thematic Data in Renhe District of Panzhihua[J].Journal of Remote Sensing,2001,5(1):75-80. |
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| Authors: | FAN Hai-sheng MA Ai-nai and LI Jing |
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| Institution: | Institute of Remote Sensing and GIS,Peking University,Beijing 100871,China;Institute of Remote Sensing and GIS,Peking University,Beijing 100871,China;Institute of Remote Sensing and GIS,Peking University,Beijing 100871,China |
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| Abstract: | On the basis of the project work for dynamic monitoring of land_use change in mountainous area by utilizing technologies of remote sensing, GIS and GPS, framework of quantitative and statistical analysis procedure is presented in this paper. Attentions has been paid to core technical issues such as band selection for image subtraction and changing threshold selection, in order to derive proper change information from TM image data. Compare between basic approaches for image change detection, i.e., comparative analysis of multitemporal classified data, and simultaneous analysis of multitemporal data, is also provided. In the research process, GPS surveying data has played an important role. |
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| Keywords: | remote sensing image change detection land use change GPS |
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