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Model-Based Pseudo-Quad-Pol Reconstruction from Compact Polarimetry and Its Application to Oil-Spill Observation

Yin, Junjun ; Moon, Wooil ; Yang, Jian McShane, Mike

Journal of sensors, 2015-01, Vol.2015, p.1-8 [Periódico revisado por pares]

New York: Hindawi Publishing Corporation

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  • Título:
    Model-Based Pseudo-Quad-Pol Reconstruction from Compact Polarimetry and Its Application to Oil-Spill Observation
  • Autor: Yin, Junjun ; Moon, Wooil ; Yang, Jian
  • McShane, Mike
  • Assuntos: ALOS (satellite) ; Consistency ; Correlation ; Decomposition ; Experiments ; Meteorology ; Methods ; Polarimetry ; Reconstruction ; Reflection ; Scattering ; Studies ; Symmetry
  • É parte de: Journal of sensors, 2015-01, Vol.2015, p.1-8
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Compact polarimetry is an effective imaging mode for wide area observation, especially for the open ocean. In this study, we propose a new method for pseudo-quad-polarization reconstruction from compact polarimetry based on the three-component decomposition. By using the decomposed powers, the reconstruction model is established as a power-weighted model. Further, the phase of the copolarized correlation is taken into consideration. The phase of double-bounce scattering is closer to π than to 0, while the phase of surface scattering is closer to 0 than to π. By considering the negative (double-bounce reflection) and positive (surface reflection) copolarized correlation, the reconstruction model for full polarimetry has a good consistency with the real polarimetric SAR data. L-band ALOS/PALSAR-1 fully polarimetric data acquired on August 27, 2006, over an oil-spill area are used for demonstration. Reconstruction performance is evaluated with a set of typical polarimetric oil-spill indicators. Quantitative comparison is given. Results show that the proposed model-based method is of great potential for oil-spill observation.
  • Editor: New York: Hindawi Publishing Corporation
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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