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In this paper, we propose a new variational model for speckle reduction of synthetic aperture radar (SAR) images based on the G0 statistical distribution and nonlocal total variation (NLTV) regularization. The existing variational models for SAR despeckling regard the terrain backscatters as nonrandom, which is only suitable to depict the homogeneous regions. For inhomogeneous scenes, the backscatter...
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