SAR (synthetic aperture radar) image coherent speckle suppression method
A coherent speckle suppression and image technology, which is applied in the field of image processing, can solve the problems of not keeping radar target scattering characteristics well, huge difference in electromagnetic scattering characteristics, and inability to directly apply coherent speckle suppression in SAR images, etc.
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[0078] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described examples are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0079] The present invention "a SAR image coherence speckle suppression method" proposes a SAR image coherence speckle suppression method based on sparse partial differential equations, the specific process is as follows figure 1 shown. First of all, according to the multiplicative characteristics of SAR image coherent speckle, an appropriate model approximation term is designed, and at the same time, the appropriate model diffusion term is constructed by referring ...
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