Polarimetric coherence optimization for interferometric differential applications
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In this paper, the potentials of polarimetric coherenceoptimization techniques for differential interferometric SAR (DInSAR) applications are examined. For this purpose, the cutting-edge approaches available in the literature are considered. First, synthetic PolSAR data simulating homogeneous distributed scatterers are employed to demonstrate the convergence of the optimized differential phase to the deformation phase information. Then, real X-band ground-based PolSAR acquisitions concerning an urban environment are analyzed. The relation between optimum coherences and corresponding optimum phase in terms of deformation on retrieval is carefully analyzed using two zero-baseline fullypolarimetric data sets. In the end, general conclusions about the advantages and drawbacks of the alternative maximization approaches are drawn.
CitacióPipia, L. [et al.]. Polarimetric coherence optimization for interferometric differential applications. A: IEEE Geoscience and Remote Sensing Symposium. "IEEE Geoscience and Remote Sensing Symposium". CAPE TOWN: 2009, p. 146-149.