Automatic Detection of Subsidence Troughs in SAR Interferograms Using Mathematical Morphology

被引：5
|
作者：
Dwornik, Maciej [1 ]
Porzycka-Strzelczyk, Stanislawa [1 ,2 ]
Strzelczyk, Jacek [2 ]
Malik, Hubert [2 ]
Murdzek, Radoslaw [2 ]
Franczyk, Anna [1 ]
Bala, Justyna [1 ]
机构：
[1] AGH Univ Sci & Technol, Dept Geoinformat & Appl Comp Sci, PL-30059 Krakow, Poland
[2] SATIM, PL-30046 Krakow, Poland
来源：
ENERGIES | 2021年 / 14卷 / 22期
关键词：
radar interferometry; subsidence trough; automatic detection; mathematical morphology;
D O I：
10.3390/en14227785
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this paper, an automatic algorithm for the detection of subsidence areas in SAR interferograms is proposed. It is based on the analysis of spatial distribution of the interferogram phase, and its coherence and entropy. The developed method was tested for differential interferograms generated on the basis of Sentinel-1 SAR images covering mining areas in South Poland. The obtained results were compared with those achieved using a method based on circular Gabor filters. Performed analysis revealed that the detection rate for the proposed method varied from 34% to 83%. It is an improved method based on Gabor filters that achieved a detection rate from 30% to 53%.
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页数：11
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