Canonical Huynen decomposition of radar targets

Dong Li; Yunhua Zhang

doi:10.1117/12.2194533

15 October 2015 Canonical Huynen decomposition of radar targets

Dong Li, Yunhua Zhang

Proceedings Volume 9642, SAR Image Analysis, Modeling, and Techniques XV; 96420A (2015) https://doi.org/10.1117/12.2194533
Event: SPIE Remote Sensing, 2015, Toulouse, France

Abstract

Huynen decomposition prefers the world of basic symmetry and regularity (SR) in which we live. However, this preference restricts its applicability to ideal SR scatterer only. As for the complex non-symmetric (NS) and irregular (IR) scatterers such as forest and building, Huynen decomposition fails to analyze their scattering. The canonical Huynen dichotomy is devised to extend Huynen decomposition to the preferences for IR and NS. From the physical realizability conditions of polarimetric scattering description, two other dichotomies of polarimetric radar target are developed, which prefer scattering IR, and NS, respectively, and provide two competent supplements to Huynen decomposition. The canonical Huynen dichotomy is the combination of the two dichotomies and Huynen decomposition. In virtue of an Adaptive selection, the canonical Huynen dichotomy is used in target extraction, and the experiments on AIRSAR San Francisco data demonstrate its high efficiency and excellent discrimination of radar targets.

Citation Download Citation

Dong Li and Yunhua Zhang "Canonical Huynen decomposition of radar targets", Proc. SPIE 9642, SAR Image Analysis, Modeling, and Techniques XV, 96420A (15 October 2015); https://doi.org/10.1117/12.2194533

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KEYWORDS

Scattering

Radar

Polarimetry

Failure analysis

L band

Polarization

Vegetation

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