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Stable Parameter Estimation of Compound Wishart Distribution for Polarimetric SAR Data Modeling
http://hdl.handle.net/10191/30816
http://hdl.handle.net/10191/308163bedac28-4823-4616-8718-c501aaa4dce1
名前 / ファイル | ライセンス | アクション |
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ISAP2013_TA-1(D)-3.pdf (3.0 MB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2014-12-04 | |||||
タイトル | ||||||
タイトル | Stable Parameter Estimation of Compound Wishart Distribution for Polarimetric SAR Data Modeling | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_5794 | |||||
タイプ | conference paper | |||||
著者 |
Cui, Yi
× Cui, Yi× Yamada, Hiroyoshi× Yamaguchi, Yoshio |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This paper investigates the parameter estimation of compound Wishart distribution for statistical modeling of polarimetric synthetic aperture radar data. We show that the recently proposed method of matrix log-cumulant may lead to non-invertible equations and cause unstable performances. In order to overcome such difficulty, we proposed a Bayesian-based method to re-estimate the log-cumulants. Simulation experiment demonstrates that the proposed algorithm provides both improved and stabler results. Finally, we present an application of the new method for texture analysis of the Germany F-SAR polarimetric data. | |||||
書誌情報 |
International Symposium on Antennas and Propagation en : International Symposium on Antennas and Propagation 巻 2013, 号 TA-1(D)-3, 発行日 2013-10 |
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出版者 | ||||||
出版者 | The Institute of Electronics, Information and Communication Engineers | |||||
権利 | ||||||
権利情報 | Copyright(C)2013 IEICE | |||||
権利 | ||||||
権利情報 | 本文データは学協会の許諾に基づきホームページから複製したものである | |||||
著者版フラグ | ||||||
値 | publisher | |||||
異版である | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | URI | |||||
関連識別子 | http://ap-s.ei.tuat.ac.jp/isapx/2013/pdf/305_3_0.pdf |