An Efficient Minimum-Discontinuity Phase-Unwrapping Method
Part unwrapping (PU) is important in reconstructing the digital elevation model of a scene from its interferometric synthetic aperture radar (InSAR) data. The classical minimum discontinuity (MD) PU algorithm by Flynn is extremely correct however involves time-consuming computation. To beat this shortcoming, we have a tendency to proposed a preunwrapping-assisted MD (PAMD) PU method, that has high efficiency and the identical unwrapping quality as Flynn's algorithm. In the PAMD method, the section image is 1st unwrapped by the preunwrapping algorithm, that generates and optimizes the dipole cuts. The preunwrapping algorithm is fairly quick, and therefore the obtained result is much closer to the optimal resolution of MD; therefore, it will be more optimized by Flynn's algorithm efficiently. Tests on simulated and real InSAR knowledge make sure the accuracy and therefore the potency of the proposed methodology.
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