Study on Repositioning Error Model in GBSAR Discontinuous Observation for Building Deformation Monitoring

Mo, Yuanhui; Lai, Tao; Wang, Qingsong; Huang, Haifeng

doi:10.1109/igarss52108.2023.10282623

Cited by 2 publications

(1 citation statement)

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“…As an emerging technology, GB-SAR provides detailed and accurate measurements of ground deformation [14,15]. Despite the significant advancements in GB-SAR research in recent years, challenges persist [16]. Notably, GB-SAR's limitation in capturing only the projection component of the target's deformation variable along the radar radial direction can result in underestimated deformations.…”

Section: Introductionmentioning

confidence: 99%

A Three-Dimensional Deformation Monitoring Method: Combining Optical Deformation Monitoring Based on Regression Models and GB-SAR Interferometry

Cheng,

Mo,

Huang

et al. 2024

Sensors

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This paper introduces a method for quantifying the three-dimensional deformation of ground targets and outlines the associated process. Initially, ground-based synthetic aperture radar was employed to monitor the radial deformation of targets, and optical equipment monitored pixel-level deformation in the vertical plane of the line of sight. Subsequently, a regression model was established to transform pixel-level deformation into two-dimensional deformation based on a fundamental length unit, and the radar deformation monitoring data were merged with the optical deformation monitoring data. Finally, the fused data underwent deformation, resulting in a comprehensive three-dimensional deformation profile of the target. Through physical data acquisition experiments, the comprehensive three-dimensional deformation of targets was obtained and compared with the actual deformations. The experimental results show that the method has a relative error of less than 10%, and monitoring accuracy is achieved at the millimeter level.

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Section: Introductionmentioning

confidence: 99%