Retrieval of Bidirectional Reflectance Factors andDirectional-Hemispherical Reflectances Using  Space-based and Airborne Multi-angle Observations

John V. Martonchik

doi:CNKI:SUN:YGXB.0.1997-S1-020

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Retrieval of Bidirectional Reflectance Factors andDirectional-Hemispherical Reflectances Using Space-based and Airborne Multi-angle Observations
Issue S1, (1997)
Published：1997
DOI： CNKI:SUN:YGXB.0.1997-S1-020
稿件说明：

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[1]ＪｏｈｎＶ．Ｍａｒｔｏｎｃｈｉｋ.基于航天与航空多角度观测提取二向性反射系数与方向半球反射信息(英文)[J].遥感学报,1997(S1):145-150. DOI： CNKI:SUN:YGXB.0.1997-S1-020.

John V. Martonchik. Retrieval of Bidirectional Reflectance Factors andDirectional-Hemispherical Reflectances Using Space-based and Airborne Multi-angle Observations[J]. Journal of Remote Sensing, 1997, (S1). DOI： CNKI:SUN:YGXB.0.1997-S1-020.

摘要

ＭＩＳＲ计划于１９９８年搭载ＥＯＳ的ＡＭ１平台发射升空。目前我们利用仿真数据和现在已有的机载ＡＳＡＳ多角度数据来测试分析ＭＩＳＲ数据所需要的算法。ＭＩＳＲ数据的处理可以分为３个主要的顺序执行的阶段。第一阶段的作用是提取景上空的必要的大气特性。第一阶段处理的结果可以被第二阶段用来一个象素一个象素地从景中提取表面光谱ＨＤＲＦ。最后，在第三阶段中，第二阶段获得的ＨＲＤＦ被用来对一个３参数ＢＲＦ模型进行线性化，以便提取对应的ＢＲＦ。我们给出了基于仿真ＭＩＳＲ数据的提取算法的结果。

Abstract

MISR is scheduled for launch in 1998 on the EOS AM1 platform. The algorithms needed to analyze data from this instrument are currently being tested

using both simulated data and data currently available from the airborne ASAS multiangle instrument. The data processing can be divided into three major

sequential segments. The first segment retrieves the necessary atmospheric properties over the scene. These results then are used in the second segment to retrieve the surface spectral HDRFs on a pixelby pixel basis for the scene. Finally

the HDRFs are used with a linearized three parameter BRF model in the third algorithm segment to retrieve the corresponding spectral BRFs. Results of the retrieval algorithms are presented using simulated MISR data. 

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