EXPLORING NOVEL SCATTERING INFORMATION FROM POLARIMETRIC SAR DATA

被引：0

作者：

Bhattacharya, Avik ^{[1
]}

Verma, Abhinav ^{[1
]}

Dey, Subhadip ^{[2
]}

Frery, Alejandro C. ^{[3
]}

Marino, Armando ^{[4
]}

机构：

[1] Indian Inst Technol, Microwave Remote Sensing Lab MRSLab, Mumbai, Maharashtra, India

[2] Indian Inst Technol Kharagpur, Dept Agr & Food Engn, Kharagpur, W Bengal, India

[3] Victoria Univ Wellington, Sch Math & Stat, Wellington, New Zealand

[4] Univ Stirling, Dept Biol & Environm Sci, Stirling, Scotland

来源：

IGARSS 2024-2024 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM, IGARSS 2024 | 2024年

关键词：

Polarimetry; scattering-type; scattering asymmetry; scattering purity; scattering complexity; DECOMPOSITION;

D O I：

10.1109/IGARSS53475.2024.10642009

中图分类号：

P9 [自然地理学];

学科分类号：

0705 ; 070501 ;

摘要：

This paper explores four distinct target descriptors derived from full-polarimetric Synthetic Aperture Radar (SAR) data. Initially, we define a 2 x 1 real positive target vector by leveraging the mean and standard deviation of complex eigenvalues extracted from the 2 x 2 Sinclair matrix. This vector is the basis for two innovative parameters: 1) the scattering-type parameter, and 2) the scattering asymmetry parameter. Furthermore, we introduce the scattering purity and complexity parameters derived from the mean and standard deviation of the real positive eigenvalues of a Hermitian positive semi-definite 3 x 3 coherency (covariance) matrix. We highlight the efficacy of these parameters by conducting an experimental analysis with several canonical targets. Subsequently, we investigate their performance by thoroughly examining Radarsat-2 full-polarimetric SAR data.

引用

页码：2781 / 2784

页数：4

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