| 高光谱成像仪交叉定标技术研究及应用 |
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| 引用本文： | 徐文斌,郑小兵,易维宁,李健军,史剑民. 高光谱成像仪交叉定标技术研究及应用[J]. 大气与环境光学学报, 2014, 9(1): 61-71 |
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| 作者姓名： | 徐文斌 郑小兵 易维宁 李健军 史剑民 |
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| 作者单位： | (中国科学院安徽光学精密机械研究所中国科学院通用光学定标与表征技术重点实验室,合肥 230031) |
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| 基金项目： | 民用航天“十二五”预先研究项目(D040103)资助 |
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| 摘 要： | 针对高光谱成像仪的在轨定标，提出三种交叉定标技术方案，分析了时相匹配、视场匹配、光谱匹配和几何匹配等交叉定标过程中的关键单元技术，结合HJ-1A/HSI、EO-1/Hyperion等开展了交叉定标算法模型验证。通过这三种技术方案的应用，与场地定标相结合，将有利于提高在轨定标的频次、快速校验场地定标系数，有效提升高光谱数据的定量化应用水平。
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| 关 键 词： | 高光谱 交叉定标 匹配 定量化 |
| 收稿时间： | 2013-10-30 |
| 修稿时间： | 2013-11-25 |
Research and Application of Cross-Calibration Technology Based on Hyperspectral Imager |
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| XU Wen-Bin,ZHENG Xiao-Bing,YI Wei-Ning,LI Jian-Jun,SHI Jian-Min. Research and Application of Cross-Calibration Technology Based on Hyperspectral Imager[J]. Journal of Atmospheric and Environmental Optics, 2014, 9(1): 61-71 |
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| Authors: | XU Wen-Bin ZHENG Xiao-Bing YI Wei-Ning LI Jian-Jun SHI Jian-Min |
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| Abstract: | Due to the need of post-launch calibration of hyperspectral imagers, three cross-calibration technical solutions are proposed. Matching technologies including field, time, geometry and spectrum in the process of cross-calibration are analysed. Algorithms and models in matching technologies are validated by the use of the data of HJ-1A/HSI, EO-1/Hyperion. By the application of three technical solutions with site-calibration method, the frequency of post-launch calibrationcan be improved and site-calibration coefficients will be validated quickly. The level of quantitative application of hyperspectral datacan be promoted effectively. |
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| Keywords: | hyperspectral cross-calibration matching quantification |
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