Four-component Decomposition of POLSAR Image Based on Coherency Matrix

Konferenz: EUSAR 2006 - 6th European Conference on Synthetic Aperture Radar
16.05.2006 - 18.05.2006 in Dresden, Germany

Tagungsband: EUSAR 2006

Seiten: 4Sprache: EnglischTyp: PDF

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Yamaguchi, Yoshio; Yajima, Yuki; Yamada, Hiroyoshi (Niigata University, Japan)

A four-component scattering power decomposition scheme is developed for polarimetric SAR image analysis based on the coherency matrix. The four-component consists of surface scattering, double bounce scattering, volume scattering, and helix scattering power. The coherency matrix is used to deal with non-reflection symmetric scattering case. The decomposition results agree with those of the covariance approach. The advantage of the cohrency matrix approach is explicit expressions of 4 scattering powers in terms of scattering matrix elements, which serve the interpretation of POLSAR data quantitatively.