基于模糊连接度和森林变换的虚拟人图像分割

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1、华中科技大学博士学位论文基于模糊连接度和森林变换的虚拟人图像分割姓名：于龙申请学位级别：博士专业：系统分析与集成指导教师：王乘20061104华中科技大学博士学位论文ABSTRACTDigitalizedVirtualHumanProjectisalongtimeplanrepresentingtheadvancedscienceof21stcentury。ThesegmentationofVirtualHumancolorimagesisoneofthebasicandimportantsubjectsinVirtualHumanresearchandis

2、alsooneofthebottle-necksofVirtualHumanresearch,whichisthemainresearchcontentofthisthesis.Accordingtothecharacteristicofthevirtualhumanimage,theresearchaddressedmainlyonsomeinteractiveimagesegmentationmethods—fuzzyconnectednessandimageforestingtransform,forthepurposeofeffectivelylig

3、hteningthelaborandimprovingtheaccuracyofvirtualhumancolorimagesegmentation.Themaincontentsandinnovationofthisthesisareasfollows.(1)Applicationoffuzzyconnectednessonvirtualhumancolorimagesegmentation.Thetheoryandalgorithmoffuzzyconnectednessandsomeofitsmainextendsaresystematicallyre

4、searchedanddiscussed.Accordingtothecharacteristicofthevirtualhumanimage,theoptimizedalgorithmsoffuzzyconnectednessareproposedtoimprovethesegmentationspeed.Aniterativeparametercomputingmethodisputforwardwhichimprovedthesegmentaccuracy.Thefuzzyconnectednesstogetherwithalltheseimprove

5、mentsisappliedtovirtualhumancolorimagesegmentation.(2)ApplicationofImageForestingTransformbasedwatershedmethodonvirtualhumancolorimagesegmentation.Thetheoryandalgorithmsofimageforestingtransform(IFT),thedifferentialimageforestingtransformandtheIFTbasedwatershedaresystematicallyrese

6、arched.Amethodforcomputingthegradientmapofcolorimageisputforward,whichresolvedtheproblemofapplyingIFTtocolorimages.TheIFTbasedwatershedmethodisthenappliedtovirtualhumancolorimagesegmentation.(3)Forestedfuzzyconnectedness(FFC)theoryandalgorithmanditsapplicationonvirtualhumancolorima

7、gesegmentation.Toimprovethesegmentationoffuzzyconnectedness,thetheoryandalgorithmofforestedfuzzyconnectednessareproposedbycombinationoffuzzyconnectednessandIFT.Finallyforestedfuzzyconnectednessisappliedtovirtualhumancolorimagesegmentation.5华中科技大学博士学位论文(4)TheapplicationsofRFC,IFTand

8、FFConvirtualhumancolorimag