Estimation of Bridge Height over Water from Polarimetric SAR Image Data Using Mapping and Projection Algorithm and De-Orientation Theory
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概要
- 論文の詳細を見る
An inversion method of bridge height over water by polarimetric synthetic aperture radar (SAR) is developed. A geometric ray description to illustrate scattering mechanism of a bridge over water surface is identified by polarimetric image analysis. Using the mapping and projecting algorithm, a polarimetric SAR image of a bridge model is first simulated and shows that scattering from a bridge over water can be identified by three strip lines corresponding to single-, double-, and triple-order scattering, respectively. A set of polarimetric parameters based on the de-orientation theory is applied to analysis of three types scattering, and the thinning-clustering algorithm and Hough transform are then employed to locate the image positions of these strip lines. These lines are used to invert the bridge height. Fully polarimetric image data of airborne Pi-SAR at X-band are applied to inversion of the height and width of the Naruto Bridge in Japan. Based on the same principle, this approach is also applicable to spaceborne ALOSPALSAR single-polarization data of the Eastern Ocean Bridge in China. The results show good feasibility to realize the bridge height inversion.
- （社）電子情報通信学会の論文
- 2009-12-01
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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Xu Feng
Key Lab Of Animal Genetic Resources College Of Animal Science And Technology Sichuan Agricultural Un
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WANG Haipeng
Kochi University of Technology
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WANG Haipeng
Key Laboratory of Wave Scattering and Remote Sensing, Department of Communication Science and Engine
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Xu Feng
Key Laboratory Of Wave Scattering And Remote Sensing Information (moe) Fudan University
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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
Key Laboratory Of Wave Scattering And Remote Sensing Department Of Communication Science And Enginee
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Jin Ya-qiu
Key Laboratory Of Wave Scattering And Remote Sensing Information (moe) Fudan University
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Jin Ya-qiu
Key Laboratory Of Wave Scattering And Remote Sensing Information (ministry Of Education) Fudan Unive
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