Speckle Suppression for SAR Images Based on Adaptive Shrinkage in Contourlet Domain

Abstract

Synthetic aperture radar (SAR) image is usually contaminated by speckle noise due to random interference of electromagnetic waves. To effectively solve this problem, a novel speckle suppression algorithm for SAR image was proposed. The algorithm combines the multiscale geometric analysis tool: contourlet transform and an improved adaptive shrinkage… (More)

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