Abstract
In this paper we assume that both the radar cross section and the speckle noise in SAR images are spatially correlated. We develop a wavelet domain linear minimum mean square error filter to remove the speckle noise. The autocorrelation functions in the wavelet domain are estimated from the single look complex SAR image. Preliminary studies show that proposed filter introduces less bias compared to performed the filtering in the image domain, but does not achieve the same level of smoothing. The proposed filter does not depend on sliding windows to avoid boundary effects.
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