Polarimetric SAR Image Analysis Using Model Fit for Urban Structures(Sensing)
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概要
- 論文の詳細を見る
This paper describes a polarimetric feature extraction method from urban areas using the POLSAR (Polarimetric Synthetic Aperture Radar) data. The scattering characteristic of urban areas is different from that of natural distributed areas. The main point of difference is polarimetric correlation coefficient, because urban areas do not satisfy property of azimuth symmetry, <S_<hh>S^*_<hv>> = <S_<hv>S^*_<vv>> = 0. The decomposition technique based on azimuth symmetry can not be applied to urban areas. We propose a new model fit suitable for urban areas. The proposed model fit consists of odd-bounce, even-bounce and cross scattering models. These scattering models can represent the polarimetric backscatter from urban areas, and satisfy <S_<hh>S^*_<hv>> ≠0 and <S_<hv>S^*_<vv>>≠0. In addition, the combination with the proposed model fit and the three component scattering model suited for natural distributed areas is examined. It is possible to apply the combined technique to POLSAR data which includes both urban areas and natural distributed areas. The combined technique is used for feature extraction of actual X-band POLSAR data acquired by Pi-SAR. It is shown that the proposed model fit is useful to extract polarimetric features from urban areas.
- 社団法人電子情報通信学会の論文
- 2005-03-01
著者
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Satake Makoto
Strategic Planning Department National Institute Of Information And Communications Technology
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Uratsuka Seiho
National Institute of Information and Communications Technology
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Nakamura Kazuki
Environment Information Technology Group Applied Research And Standards Department National Institut
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Moriyama Toshifumi
Environment Information Technology Group Applied Research And Standards Department National Institut
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Maeno Hideo
Environment Information Technology Group Applied Research And Standards Department National Institut
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Manabe T
Nec Corp. Kawasaki‐shi Jpn
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NAKAMURA Kotaro
the Dept.of Electrical and Computer Engineering, Nagoya Institute of Technology
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URATSUKA Seiho
Environment Information Technology Group, Applied Research and Standards Department, National Instit
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UMEHARA Toshihiko
Environment Information Technology Group, Applied Research and Standards Department, National Instit
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SATAKE Makoto
Environment Information Technology Group, Applied Research and Standards Department, National Instit
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NADAI Akitsugu
Environment Information Technology Group, Applied Research and Standards Department, National Instit
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Nakamura K
Environment Information Technology Group Applied Research And Standards Department National Institut
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Nadai A
Strategic Planning Department National Institute Of Information And Communications Technology
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Masuko H
Environment Information Technology Group Applied Research And Standards Department National Institut
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Umehara Toshihiko
Strategic Planning Department National Institute Of Information And Communications Technology
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