| 基于DMSP/OLS夜间灯光数据进行提取的实证研究——以福州为例 |
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| 引用本文： | 刘建良,赵国忱,倪愿.基于DMSP/OLS夜间灯光数据进行提取的实证研究——以福州为例[J].测绘与空间地理信息,2017,40(9). |
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| 作者姓名： | 刘建良 赵国忱 倪愿 |
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| 作者单位： | 1. 辽宁工程技术大学,辽宁阜新,123000;2. 福州大学空间数据挖掘与信息共享教育部重点实验室,福建福州,350002 |
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| 摘 要： | DMSP/OLS数据能够观测到夜间灯光,因而被广泛应用于人类活动与城市扩展研究。本文以福州市为例,分析比较现有夜光数据的城区提取方法。通过实例分析,从阈值设定方面进行讨论,比较各方法的优缺点,可为夜间灯光数据在提取城市区域方面提供借鉴。
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| 关 键 词： | DMSP/OLS 夜间灯光 城市建成区 阈值 方法 |
Overview of Researches Based on Urban Extracting Via DMSP/OLS Night-time Light Data:Taking Fuzhou as an Example |
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| LIU Jian-liang,ZHAO Guo-chen,NI Yuan.Overview of Researches Based on Urban Extracting Via DMSP/OLS Night-time Light Data:Taking Fuzhou as an Example[J].Geomatics & Spatial Information Technology,2017,40(9). |
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| Authors: | LIU Jian-liang ZHAO Guo-chen NI Yuan |
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| Abstract: | DMSP/OLS Nighttime Light.can be observed at night lights,it is widely used in human activities and urban extraction extension studies.In the paper,analyzing and comparison of existing methods about extract urban build-up area night light data.By taking Fuzhou urban area as an example,the aspects of setting of threshold value to discuss,at the same time,comparing the advantages and disadvantages of each method by an example.To provide reference,researching the night light data in urban areas extraction. |
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| Keywords: | DMSP/OLS night lights urban build-up area threshold method |
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