An On-Site InSAR Terrain Imaging Method with Unmanned Aerial Vehicles

被引：0
|
作者：
Chuang, Hsu-Yueh [1 ]
Kiang, Jean-Fu [1 ]
机构：
[1] Natl Taiwan Univ, Grad Inst Commun Engn, Taipei 10617, Taiwan
来源：
SENSORS | 2024年 / 24卷 / 07期
关键词：
InSAR; unmanned aerial vehicle; digital elevation model (DEM); phase unwrapping; mean filter; NOISE-REDUCTION; PHASE; ROBUST; DEEP;
D O I：
10.3390/s24072287
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
An on-site InSAR imaging method carried out with unmanned aerial vehicles (UAVs) is proposed to monitor terrain changes with high spatial resolution, short revisit time, and high flexibility. To survey and explore a specific area of interest in real time, a combination of a least-square phase unwrapping technique and a mean filter for removing speckles is effective in reconstructing the terrain profile. The proposed method is validated by simulations on three scenarios scaled down from the high-resolution digital elevation models of the US geological survey (USGS) 3D elevation program (3DEP) datasets. The efficacy of the proposed method and the efficiency in CPU time are validated by comparing with several state-of-the-art techniques.
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页数：29
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