Wavelet filtering of correlated speckle

8 August 2003 Wavelet filtering of correlated speckle

Samuel Foucher, Jean-Marc Boucher, Goze B. Benie

Proceedings Volume 5108, Visual Information Processing XII; (2003) https://doi.org/10.1117/12.487322
Event: AeroSense 2003, 2003, Orlando, Florida, United States

Abstract

In practice, SAR images are very often disturbed by a correlated speckle noise. Correlation influence on wavelet coefficients is a difficult problem degrading detection and filtering performances dramatically. We establish a simple analytic relation between high order wavelet coefficient moments/cumulants and speckle second order statistics. The proposed solution is shown to improve detection and filtering algorithm performances in the presence of non white speckle noise.

Citation Download Citation

Samuel Foucher, Jean-Marc Boucher, and Goze B. Benie "Wavelet filtering of correlated speckle", Proc. SPIE 5108, Visual Information Processing XII, (8 August 2003); https://doi.org/10.1117/12.487322

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