Similarity Parameter in Polarimetric SAR Interferometry

The similarity parameter is used to measure the similarity between two different scattering matrixes. In this paper, the similarity parameter is introduced into polarimetric SAR Interferometry (Pol-In-SAR). For two scattering matrixes of every scattering cell, the similarity parameter can be used to register the pairs of images received by two flights and fuse the polarimetric information to enhance the coherence and reduce the phase noise. The quality of the interferometric phase is improved remarkably and the number of residues is reduced sufficiently. This is helpful in generating an accurate digital elevation model (DEM)