基于立体视觉的三维服装图像生成技术(1)

《基于立体视觉的三维服装图像生成技术(1)》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、万方数据西安工程大学学报JournalofXi’allPolytechnicUniversity第23卷第2期(总96期)2009年4月VoL23，No．2(Sum．No．96)ArticleID：1671-850X(2009)02-0423-06Stereovisionfor3DclothingimagegenerationXUBu—gao，YUWu—rong(SchoolofHumanEcology，UniversityofTexasatAustin，Austin，TX78712，USA)Abstract：Thispaperpresentsanewlydevelopedster

2、eovisionsystemforgenerating3Dimagesofgar-meritsattiredbyasubjectoronamannequin，3Dclothingimagesprovidemorerealisticandeffectivevisualizationforshowingclothing’8style，drape，andfitthan2Dimages．Thesystemconsistsoffouri-denticalimagingunitsthatcanbereconfiguredtocoverthetop，bottomorentirebody．Each

3、unitcon-tainsapairofdigitalcamerasandaprojecfor．Thecamerascapturetwoimagesfromdifferentperspec—fives，andtheprojectorcreatesartificialtextures"ontotheclothingsurfacethathelptoreducestereomatchingambiguity．Atwo-phasealgorithmWasdevelopedtopermitsub—pixel，densestereomatching．Inthefirstphase，thefo

4、reground(garment)issegmentedbyusingapredefinedvirtualinterfaceinthedisparityspaceimage．andacoarsedisparitymapisgeneratedwithblockmatching．Inthesecondphase，localleastsquaresmatchingisperformedalongwithglobaloptimizationwithinareguhrizationframeworkwhichensuresbothaccuracyandreliabilityof3Ddatag

5、eneration．Theunorganizeddatacloudsaretheprocessedbyasurfacemodelingalgorithm，whichisbasedonatriangularmesh，surfacesubdivisionandoptimization，toreconstructsmoothandcompleteaclothingsurface．Keywords：garment；stereovision；3DimageCLCnumber：弱941．17Documentcode：A0IntroductionBodyscanningtechnologyhas

6、beenwidelyusedforsizesurvey，apparelmasscustomization，andfitanaly—sis．Thededicatedbodyscanningsystemsutilizevariousdistancesensingtechniquestoproduce3Dsurfacesofasubjectandextractgeometricmeasurementsneededforspecificapplications．Thesetechndquesincludestructurelighttriangulation⋯，phase-shifting

7、profilometry，moir6fringes，infraredposition—sensitivedetectorsandstereo·photogrammetry．Commerciallyavailable号cann筋弓differinresolution，speed，size，price，andoutput，andthushavedifferentlevelsofacceptancefromtlleindustry．Bodyscannerswereusedt