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Collaborative filtering is a technique used for image restoration among noise and distortions. Based on the fact that an image content has a locally sparse representation in transform domain. Technique employs a non-local modeling of image by collecting similar 2D image patches into 3D groups. The so-called collaborative filtering applied on such a 3D groups is realized by transform domain shrinkage...
Modern airborne or satellite SAR radar systems provide geometric resolution below ten centimeters. By SAR interferometry from pairs of such images, DEM image can be obtained. Using data of this kind it is possible to build a simple 3D models of remote objects. Similarity measurement between model of unknown object and known database models can be used for classification and recognition. In this paper...
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