Estimation of the bridge height over water using SAR image data

WANG Hai-peng; XU Feng; JIN Ya-qiu Key Laboratory of Wave Scattering and Remote Sensing Information(MoE) Fudan University; Shanghai 200433; China

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Estimation of the bridge height over water using SAR image data
Vol. 13, Issue 3, Pages: 385-390(2009)
Published：2009
DOI：
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[1].Estimation of the bridge height over water using SAR image data[J].遥感学报,2009,13(03):385-390. DOI：

WANG Hai-peng, XU Feng, JIN Ya-qiu Key Laboratory of Wave Scattering and Remote Sensing Information(MoE) Fudan University, et al. Estimation of the bridge height over water using SAR image data[J]. Journal of Remote Sensing, 2009, 13(3): 385-390. DOI：

摘要

An inversion method of bridge height over water surface is developed.A geometric rays description is illustrated for scattering mechanism of bridge over water surface.Based on Mapping and Projecting Algorithm（MPA）

polarimetric SAR images are simulated and the results show that the bridge in SAR image can be identified by three strips corresponding to single-

double-and triple-order scattering

respectively.A set of parameters based on de-orientation theory is applied to locate the im-aging positions of single-

double-and triple-order scattering of the bridge body.The thinning

clustering algorithm

and Hough transform are employed to detect the lines indicating different orders of scattering.Then

these lines are used to invert the bridge height.Fully polarimetric data of airborne Pi-SAR at X-band is applied to inversion of the Naruto Bridge height and width.Based on the same principle

spaceborne ALOS PALSAR data of the Eastern Ocean Bridge is also applied to the bridge height inversion.The results show good feasibility of the bridge height inversion.

Abstract

polarimetric SAR images are simulated and the results show that the bridge in SAR image can be identified by three strips corresponding to single-

double-and triple-order scattering

respectively.A set of parameters based on de-orientation theory is applied to locate the im-aging positions of single-

double-and triple-order scattering of the bridge body.The thinning

clustering algorithm

and Hough transform are employed to detect the lines indicating different orders of scattering.Then

these lines are used to invert the bridge height.Fully polarimetric data of airborne Pi-SAR at X-band is applied to inversion of the Naruto Bridge height and width.Based on the same principle

spaceborne ALOS PALSAR data of the Eastern Ocean Bridge is also applied to the bridge height inversion.The results show good feasibility of the bridge height inversion.

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