A review on advances in persistent scatterer interferometry and proposing a novel method for phase optimization of distributed scatterers pixels

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-04-10 DOI:10.1007/s10665-024-10354-2

Mohammad Soyeb Alam, Dheeraj Kumar, Gajendra K. Vishwakarma

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Abstract

Spaceborne SAR Interferometry techniques namely Differential SAR Interferometry (DInSAR) and Persistent Scatterer Interferometry (PSI) are remote sensing-based techniques used to measure and monitor terrain deformations. In the present study, advances in PSI since its inception, considering three important parameters (pixel selection criteria, baseline configuration, and deformation model) is discussed in detail. Further, in view of the research heading towards the pixel selection criteria and phase optimization of Distributed Scatterers (DSs) pixels, detailed discussion is made over its advancement also. In addition, the statistical homogenous pixel (SHP) and the similar time-series interferometric phase (STIP) pixel-based PSCs selection are the latest development. In view of this, the connection and difference of major and latest SHP and STIP pixel-based PSCs selection methods in term of the mathematic model of phase optimization for conventional DS and DS with multiple scattering mechanism (DS-MSM), types of pixel selection capability, computational efficiency are characterized. Further, in this study, a novel Bayesian methodology and its details are proposed for the phase optimization of DS pixels, which will provide a much better idea of the characteristics of the parameter of interest than latest one based on complex least square mathematic model for phase optimization of DS pixels.

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综述持久散射体干涉测量法的进展，并提出分布式散射体像素相位优化的新方法

空间合成孔径雷达干涉测量技术，即差分合成孔径雷达干涉测量技术（DInSAR）和持久散射体干涉测量技术（PSI），是用于测量和监测地形变形的遥感技术。本研究详细讨论了 PSI 自诞生以来的发展，并考虑了三个重要参数（像素选择标准、基线配置和变形模型）。此外，针对像素选择标准和分布式散射体（DSs）像素相位优化的研究方向，也对其进展进行了详细讨论。此外，基于统计同质像素（SHP）和类似时间序列干涉相位（STIP）像素的 PSCs 选择也是最新发展。有鉴于此，本研究从传统 DS 和具有多重散射机制（DS-MSM）的 DS 相位优化数学模型、像素选择能力类型、计算效率等方面，分析了主要的和最新的基于 SHP 和 STIP 像素的 PSC 选择方法的联系和区别。此外，本研究还为 DS 像素的相位优化提出了一种新颖的贝叶斯方法及其细节，与最新的基于复杂最小平方数学模型的 DS 像素相位优化方法相比，该方法能更好地了解相关参数的特性。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.