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SAS (synthetic aperture sonar) has been used in sea bed imagery. Indeed high resolution images provided by SAS are of great interest, especially for the detection, localization and eventually classification of objects lying on sea bed. But as any image obtained with a coherent system, SAS images are highly corrupted by a granular multiplicative noise, called speckle noise which reduces spatial and...
SAS (Synthetic Aperture Sonar) is actively used in sea bed imagery. Indeed high resolution images provided by SAS are of great interest, especially for the detection, localization and eventually classification of objects lying on sea bed. Unfortunately, SAS images are highly corrupted by a granular multiplicative noise, called speckle noise, which reduces spatial and radiometric resolutions. The purpose...
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