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Assessment of Filters to Reduce Speckle Prior to the Automatic Extraction of Very Thin Slightly Bright Features
Journal of the Japan society of photogrammetry and remote sensing
There are many fields of application for SAR imagery that requires the detection of very thin features. These features often comprise many very small point-like and line-like features. To detect small features from noisy SAR imagery, speckle noise should be reduced prior to high level feature extraction, but features should not be wiped out in the process. To select the most appropriate filter for automated detection of very thin features slightly brighter than the background, the Lee filter,doi:10.4287/jsprs.35.6_23 fatcat:6ex2b2miqjd2vcpyqnvtriasfu