| 基于经验线性法的Hyperion影像大气校正 |
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| 引用本文： | 李颖,何莹,兰国新.基于经验线性法的Hyperion影像大气校正[J].大连海事大学学报(自然科学版),2011(2). |
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| 作者姓名： | 李颖 何莹 兰国新 |
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| 作者单位： | 大连海事大学环境信息研究所; |
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| 基金项目： | 国家自然科学基金资助项目(41071260); 辽宁省教育厅科学研究项目(200912); 辽宁省教育厅高校科研项目资助(2009T010) |
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| 摘 要： | 选取影像覆盖区域的地物分别作为亮目标和暗目标,选取非影像覆盖区域的同名地物为目标物,基于经验线性(ELC)法对Hyperion影像进行大气校正.结果表明,包含大部分植被信息的混合像元中绿色植被光谱特征清晰可见,植被绿色反射峰、近红外波段反射平台以及短波红外小反射峰等现象十分明显.运用该方法对缺乏实时资料的卫星影像进行大气校正具有一定的适用性.
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| 关 键 词： | Hyperion影像 大气校正 经验线性(ELC)法 高光谱遥感 |
Atmospherical correction of Hyperion hyperspectral imagery based on empirical line calibration method |
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| LI ying,HE ying,LAN Guoxin.Atmospherical correction of Hyperion hyperspectral imagery based on empirical line calibration method[J].Journal of Dalian Maritime University,2011(2). |
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| Authors: | LI ying HE ying LAN Guoxin |
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| Institution: | LI ying,HE ying,LAN Guoxin(Environmental Information Institute,Dalian Maritime University,Dalian 116026,China) |
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| Abstract: | Ground objects covered in the image were selected as the dark and bright ones,and the same name objects not covered in the image as target objects,the empirical line calibration(ELC) method was used to correct Hyperion image atmospherically.Results show that the spectral characteristics of green vegetation are obvious in the mixed pixel,such as the vegetation reflectance peak,the reflectance platform of the near infrared and the little peak of the shortwave infrared.The method is applicable to the image whi... |
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| Keywords: | Hyperion images correction in atmosphere empirical line calibration(ELC) method hyperspectral remote sensing |
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