简介：Duetothespecialcharacteristicsoflightinwater,theinformationoftheredchannelisseriouslyattenuatedincollectedimage.Thiscausesothercolorstodominatetheimage.Thispaperproposesanunderwaterimageenhancementalgorithmbasedonredchannelweightedcompensationandgammacorrectionmodel.Firstly,byanalyzingtheattenuationcharacteristicsofRGBchannels,theintensityandtheedgeinformationofredchannelarecompensatedbyweightingtheattenuationcoefficientratiobetweendifferentchannelstocorrectthechromaticity.Thenthegammacorrectionmodelisemployedtostretchtheintensityrangetoenhancethecontrastwhichmakestheimagelookclearer.Theexperimentalresultsshowthattheproposedalgorithmcancorrectthecolorcasteffectandimprovethecontrastbynearly2timesfortheunderwaterimageswithtoomuchredcomponentattenuation.
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