| 基于北京一号卫星影像的建筑阴影测量建筑高度的应用研究 |
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| 引用本文： | 赵宏,张志华,胡新宇,丁琳.基于北京一号卫星影像的建筑阴影测量建筑高度的应用研究[J].北京测绘,2010(2):38-40. |
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| 作者姓名： | 赵宏 张志华 胡新宇 丁琳 |
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| 作者单位： | 二十一世纪空间技术应用股份有限公司,北京,100096;北京市规划委员会,北京,100045;中国科学院遥感应用研究所,北京,100101 |
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| 摘 要： | 在分析遥感影像建筑物阴影与实际高度关系的基础上,阐述了依据影像阴影估算城市建筑物高度的原理和方法,设计了一种基于影像建筑物阴影特征快速提取高程信息的技术方法。在使用北京一号影像数据的试验中,70%的有阴影楼房测量误差在4米以内。
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| 关 键 词： | 阴影特征 北京一号影像 建筑物高度 |
STUDY ON EXTRACTINON OF BUILDING HEIGHTS FROM THE SHADOWS IN A BEIJING ONE IMAGE |
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| ZHAO Hong,Zhang Zhi-hua,Hu Xin-yu,DING Lin.STUDY ON EXTRACTINON OF BUILDING HEIGHTS FROM THE SHADOWS IN A BEIJING ONE IMAGE[J].Beijing Surveying and Mapping,2010(2):38-40. |
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| Authors: | ZHAO Hong Zhang Zhi-hua Hu Xin-yu DING Lin |
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| Institution: | ZHAO Hong1,Zhang Zhi-hua2,Hu Xin-yu2,DING Lin3(1.Twenty First Century Aerospace Technology Co.,Ltd,Beijing,10096,China 2.Beijing Municipal Commission of Urban Planning,10045,China 3.Institute of Remote Sensing Applications,CAS,Beijing 100101,China) |
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| Abstract: | This paper analyses relations between building shadows in an image and its real heights,presents the principle and method for estimating building heights from the shadows of an image,designs a technique to extract heights quickly.In an application using Beijing one images,the veracity that the errors of calculating the 70 percents building heights from the shadows of an image are less than 4 meters. |
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| Keywords: | Shadows Feature Beijing one image Building height |
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