On the Forest Biomass and the Order Parameter of K-Distribution in High-Resolution Airborne Polarimetric SAR Data(Remote sensing/Radar (2), Workshop for Space, Aeronautical and Navigational Electronics (WSANE 2005))
スポンサーリンク
概要
- 論文の詳細を見る
A summary is presented on the study of searching parameters that describe the relation between high-resolution SAR images and forest parameters. The results are based on the non-Gaussian texture analysis of the polarimetric airborne NICT/JAXA Pi-SAR data acquired in November 2002 over the Tomakomai forests in Hokkaido, Japan. The RCS (radar cross section) in terms of tree biomass is first analyzed. The image amplitudes distributions are then investigated ; and among Rayleigh, log-normal, Weibull and K-distributions, the K-distribution is found to fit best to the data of all polarizations, although the Weibull distribution fits equally well. Further, there is a strong correlation between the tree biomass and the order parameter of the K-distribution in the cross-polarization images. A remarkable feature of this result is that the order parameter increases consistently with biomass to approximately 100 tons/ha and possibly above, which is well beyond the saturation limits of the radar cross section (approximately 40 tons/ha for L-band RCS). Thus, the order parameter of the K-distribution can be an effective parameter to estimate tree biomass from high-resolution SAR data in a much wider range than the conventional RCS method.
- 社団法人電子情報通信学会の論文
- 2005-02-26
著者
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Ouchi Kazuo
Kochi University Of Technology
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Ouchi Kazuo
Department Of Computer Science National Defense Academy
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Shimada Masanobu
Earth Observation Research and application Center (EORC)
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Watanabe Manabu
Earth Observation Research and application Center (EORC)
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Tadono Takeo
Earth Observation Research and application Center (EORC)
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WANG Haipeng
Kochi University of Technology
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Wang Haipeng
Department of Environmental Systems Engineering, Kochi University of Technology
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MATSUOKA Masayuki
Research Institute for Humanity and Nature
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Rosenqvist Ake
Earth Observation Research Center, Japan Aerospace Exploration Agency Harumi Island Triton Square
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Romshoo Shakil
Energy and Resources Institute, Habitat Place, Lodhi Road
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Uratsuka Seiho
National Institute of Information and Communications Technology
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Watanabe Manabu
Earth Observation Research And Application Center (eorc) Japan Aerospace Exploration Agency (jaxa)
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Romshoo Shakil
Energy And Resources Institute Habitat Place Lodhi Road
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Ouchi Kazuo
Department Of Information Science National Defense Academy
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Wang Haipeng
Fudan Univ. Shanghai Chn
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Wang Haipeng
Department Of Environmental Systems Engineering Kochi University Of Technology
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Tadono Takeo
Earth Observation Research And Application Center (eorc) Japan Aerospace Exploration Agency (jaxa)
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Rosenqvist Ake
Earth Observation Research Center Japan Aerospace Exploration Agency Harumi Island Triton Square
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Shimada Masanobu
Earth Observation Research And Application Center (eorc) Japan Aerospace Exploration Agency (jaxa)
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