19 January 2024Deformation extraction of building facade using ground-based interferometric synthetic aperture radar assisted by 3D laser scanning technology
Bin Zhang, Hang Duan, Peng Wang, Chuanfang Ke, Licheng Ge, Weicheng Li
Bin Zhang,1 Hang Duan,2 Peng Wang,3 Chuanfang Ke,2 Licheng Ge,3 Weicheng Li3
1Changjiang Spatial Information Technology Engineering Co., Ltd. (China) 2China Three Gorges Construction Engineering Corporation (China) 3Suzhou University of Science and Technology (China)
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The typical GB-SAR image coordinate transformation approach conveniently ignores the impact of radar sensor attitude, resulting in an imaging projection plane that is not horizontal and bias in the 3D laser point cloud's slant range projection (SRP). This research proposes a point cloud SRP calculation approach that incorporates the radar attitude inclination and provides a detailed formula. To achieve deformation information extraction of the building façade, the high-quality pixels and point cloud projected using the exact formula are matched on this basis. The experimental analysis demonstrate that the suggested approach can reduce the impact of sensor attitude inclination, enhance the coordinate transformation precision of GB-SAR pixels, and offer assurance for the following integration and analysis of GB-SAR monitoring results with other technologies
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
Bin Zhang,Hang Duan,Peng Wang,Chuanfang Ke,Licheng Ge, andWeicheng Li
"Deformation extraction of building facade using ground-based interferometric synthetic aperture radar assisted by 3D laser scanning technology", Proc. SPIE 12980, Fifth International Conference on Geoscience and Remote Sensing Mapping (ICGRSM 2023), 129801E (19 January 2024); https://doi.org/10.1117/12.3021074
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Bin Zhang, Hang Duan, Peng Wang, Chuanfang Ke, Licheng Ge, Weicheng Li, "Deformation extraction of building facade using ground-based interferometric synthetic aperture radar assisted by 3D laser scanning technology," Proc. SPIE 12980, Fifth International Conference on Geoscience and Remote Sensing Mapping (ICGRSM 2023), 129801E (19 January 2024); https://doi.org/10.1117/12.3021074