Interferometric SAR phase unwrapping using the finite element method
- 1 January 1997
- journal article
- Published by Institution of Engineering and Technology (IET) in IEE Proceedings - Radar, Sonar and Navigation
- Vol. 144 (5), 266-274
- https://doi.org/10.1049/ip-rsn:19971259
Abstract
The authors present a new two-dimensional algorithm for interferometric synthetic aperture radar phase unwrapping based on the finite element method. The proposed technique allows an efficient least-squares solution carried out in time domain. Weighting functions can be introduced without increasing computational requirements. The possibility to speed up computations via a multigrid technique is discussed. A noise-robust extension of the proposed technique is also investigated. Presented experiments on real ERS-1 data, as well as on simulated patterns, demonstrate the precision and efficiency of the procedure.This publication has 16 references indexed in Scilit:
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