基于膚色檢測的不良圖像過濾技術研究.pdf

1、華中科技大學碩士學位論文基于膚色檢測的不良圖像過濾技術研究姓名：馬亮申請學位級別：碩士專業(yè)：計算機系統(tǒng)結構指導教師：張愛華20090527華中科技大學碩士學位論文AbstractWiththerapiddevelopmentpopularizationoftheIntertechnologypeople’slifestylearechanging.Howevermemeobjectionableinfmationisharmtopeop

2、leespeciallyadolescents.Indertoprotectadolescentsfromtheharmthewebfilterisveryimptant.ButwiththeincreaseofwebimagesURL(UnifmResourceLocat)textfilteringtechnologyisfarfromenough.Theresearchofwebimagefilteringtechnologyism

3、emeimptant.Therearealargenumberofexposedskinregionsinmostpnographyimages.Itisaprominentfeaturesotheskindetectionisthemainwaytofilterobjectionablewebimages.FirsttheseparabilityofskincolsisintroducedGaussianmixturemodelsst

4、atisticalcolmodelscolspacemodelsarecompared.Thereasonwhycolspacemodelsarevulnerabletolightisanalyzedbyexperimentthecolbalancemethodisusedtoreducethenegativeimpactoncolspacemodelsimposedbylight.Byanalysisofdefectsofthetwo

5、skincolspacemodelstheircomplementaritiesarefound.AnimprovedskincolspacemodelisdesignedonthebasisofHCrCbcomponents.Indertoimprovetheaccuracyofskindetectiontheerosiononeofmphologyoperatsisadoptedtoprocessmaskimageswhichare

6、madebythemodelitremovessomefakeskincolregions.Besidesafacedetectionmoduleisaddedtothesystemwhichavoidstomistakesomeptraitsfobjectionableimages.Finallyanobjectionableimagefiltersystemisimplemented.Theexperimentresultsshow