上传者: xdzhiruchujian
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上传时间:2024/3/25 17:36:35
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文件类型:doc
ImprovedSigmaFilterforSpeckle
heLeesigmafilterwasdevelopedin1983basedonthesimpleconceptoftwo-sigmaprobability,anditwasrea-sonablyeffectiveinspecklefiltering.However,deficiencieswerediscoveredinproducingbiasedestimationandinblurringanddepressingstrongreflectedtargets.Theadvancementofsyntheticapertureradar(SAR)technologywithhigh-resolutiondataoflargedimensionsdemandsbetterandefficientspecklefilteringalgorithms.Inthispaper,weextendandimprovetheLeesigmafilterbyeliminatingthesedeficiencies
本软件ID:4226262