A method to detect layover and shadow based on distributed spaceborne single-baseline InSAR

35th International Symposium on Remote Sensing of Environment

地球科学;生态环境科学

Yun, Ren^1 ; Huanxin, Zou^1 ; Shilin, Zhou^1 ; Hao, Sun^1 ; Kefeng, Ji^1

College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China^1

关键词: Follow up;    Interferometric phase;    Phase unwrapping;    Registration accuracy;    Shadow regions;    Single-baseline;    Space-borne;    Spatial informations;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/17/1/012235/pdf
DOI  :  10.1088/1755-1315/17/1/012235

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

Layover and Shadow are inevitable phenomenena in InSAR, which seriously destroy the continuity of interferometric phase images and present difficulties in the follow-up phase unwrapping. Thus, it's significant to detect layover and shadow. This paper presents an approach to detect layover and shadow using the auto-correlation matrix and amplitude of the two images. The method can make full use of the spatial information of neighboring pixels and effectively detect layover and shadow regions in the case of low registration accuracy. Experiment result on the simulated data verifies effectiveness of the algorithm.