Title :
Reduction of multiplicative noise in SAR imaging by Wiener filtering
Author :
Pascazio, Vito ; Schirinzi, Gilda
Author_Institution :
Istituto di Teoria e Tecnica delle Onde Elettromagnetiche, Istituto Univ. Navale, Napoli, Italy
Abstract :
We present two techniques for multiplicative noise reduction in SAR imaging, based on Wiener filtering. The methods take into account the speckle correlation and allows a drastic speckle reduction, without impairing geometric resolution and preserving edges
Keywords :
Wiener filters; correlation methods; image resolution; interference suppression; noise; radar imaging; radar interference; radiofrequency interference; speckle; synthetic aperture radar; SAR imaging; Wiener filtering; edge; geometric resolution; multiplicative noise; noise reduction; speckle correlation; speckle reduction; Additive noise; Autocorrelation; Electronic mail; Image resolution; Noise reduction; Radar polarimetry; Signal processing; Spatial resolution; Speckle; Wiener filter;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 1996. IGARSS '96. 'Remote Sensing for a Sustainable Future.', International
Conference_Location :
Lincoln, NE
Print_ISBN :
0-7803-3068-4
DOI :
10.1109/IGARSS.1996.516736
