Comparison of alternative parameters to dual polarimetric SAR data

Mitsunobu Sugimoto; Kazuo Ouchi

doi:10.1117/12.974507

21 November 2012 Comparison of alternative parameters to dual polarimetric SAR data

Mitsunobu Sugimoto, Kazuo Ouchi

Proceedings Volume 8536, SAR Image Analysis, Modeling, and Techniques XII; 853607 (2012) https://doi.org/10.1117/12.974507
Event: SPIE Remote Sensing, 2012, Edinburgh, United Kingdom

Abstract

The goal of this study is to examine the potential of deriving information comparable to quad-polarization synthetic aperture radar (SAR) data from dual-polarization data. Multi-polarization data have shown the potential to increase further the ability of extracting physical quantities of observation targets. Above all, quad-polarization data have more information than others, but they are relatively few in number compared with single or dual-polarization data. Although there are many SAR systems capable of quad-polarization observation, most of them are operated mainly on single or dual-polarization mode because of limited data transfer rate, area of coverage, required resolution, other system restriction, and so on. Thus, there is a certain trade- off between data availability and multi polarization. Therefore, we focused on dual-polarization as a good compromise between single and quad-polarization data. In this study, we investigated possible alternative parameters that can be derived from HH-VV dual-polarization data and can serve as substitutes for cross-polarization component in quad-polarization data. Experiments are performed using the Advanced Land Observation Satellite-Phased Array L-band SAR (ALOS-PALSAR) quad-polarization data. The cross polarization component in the data is used as benchmark for the alternative parameters.

Citation Download Citation

Mitsunobu Sugimoto and Kazuo Ouchi "Comparison of alternative parameters to dual polarimetric SAR data", Proc. SPIE 8536, SAR Image Analysis, Modeling, and Techniques XII, 853607 (21 November 2012); https://doi.org/10.1117/12.974507

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KEYWORDS

Synthetic aperture radar

Polarimetry

Polarization

Current controlled current source

Earth observing sensors

Image analysis

L band

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