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首页> 外文期刊>Geoscience and Remote Sensing Letters, IEEE >An Optimized Algorithm for InSAR Phase Unwrapping Based on Particle Filtering, Matrix Pencil, and Region-Growing Techniques
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An Optimized Algorithm for InSAR Phase Unwrapping Based on Particle Filtering, Matrix Pencil, and Region-Growing Techniques

机译:基于粒子滤波,矩阵笔和区域增长技术的InSAR相位解包优化算法

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摘要

This letter presents a new phase unwrapping algorithm for synthetic aperture radar interferometry which combines a particle filter, a matrix-pencil (MP) local slope estimator, and an optimized region-growing technique. The advantages of the new method rely on the following contributions: The MP estimator provides better resolution to the local slope estimation, the particle filter enables simultaneous unwrapping and filtering without a priori statistics constraints, and the implemented region-growing technique adds diversity of unwrapping paths and ensures an optimum solution. Results introduced in this letter illustrate the main aspects of the new approach.
机译:这封信提出了一种用于合成孔径雷达干涉测量的新相位展开算法,该算法结合了粒子滤波器,矩阵铅笔(MP)局部斜率估计器和优化的区域生长技术。新方法的优点取决于以下贡献:MP估计器可为局部斜率估计提供更好的分辨率,粒子滤波器可同时进行展开和滤波,而无需先验统计约束,并且已实现的区域增长技术增加了展开路径的多样性并确保最佳解决方案。这封信中介绍的结果说明了新方法的主要方面。

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