Title | ||
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An Infinity-Norm-Based Phase Unwrapping Method With Tspa Framework For Multi-Baseline Sar Interferograms |
Abstract | ||
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Phase unwrapping (PU) is a key step for the synthetic aperture radar (SAR) interferometry (InSAR). Singlebaseline (SB) PU and multi-baseline (MB) PU are two independently developed technologies, each of which has its own advantages and disadvantages. A two-stage programming-based MB PU method (TSPA) proposed by Yu [1] establishes a connection between the MB and SB PU methods. TSPA breaks the limitation of the phase continuity assumption by using the Chinese remainder theorem (CRT), and uses the minimum-cost flow (MCF) optimization model to obtain the PU result. TSPA can be regarded as a framework for solving MB PU problems. In this paper, we studied how to transplant the infinity-norm (L-infinity-norm) optimization model into TSPA framework. Under the TSPA MB PU framework, a L-infinity-norm based MB PU method (referred to as Inf-TSPA) is proposed to solve the problem of low PU accuracy of the L-infinity-norm SB PU method. The experimental results on the simulated and the realistic MB InSAR data sets verify that the performance of Inf-TSPA is significantly improved compared to the L-infinity-norm SB PU method. |
Year | DOI | Venue |
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2020 | 10.1109/IGARSS39084.2020.9323551 | IGARSS 2020 - 2020 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM |
Keywords | DocType | Citations |
Phase unwrapping, synthetic aperture radar (SAR) interferometry (InSAR), multi-baseline (MB), infinity-norm | Conference | 0 |
PageRank | References | Authors |
0.34 | 0 | 4 |
Name | Order | Citations | PageRank |
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Yang Lan | 1 | 6 | 5.22 |
Hanwen Yu | 2 | 0 | 0.34 |
Mengdao Xing | 3 | 1340 | 162.45 |
Jixiang Fu | 4 | 0 | 2.37 |