2013_ICIP_A Simultaneous Method for 3D Video Super-resolution and High-quality Depth Estimation

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1、ASIMULTANEOUSMETHODFOR3DVIDEOSUPER-RESOLUTIONANDHIGH-QUALITYDEPTHESTIMATIONJingZhang,YangCao,ZengfuWangDepartmentofAutomation,UniversityofScienceandTechnologyofChinazjwinner@mail.ustc.edu.cn,{forrest,zfwang}@ustc.edu.cnABSTRACTCloudServerMixed-resolutionapproachservesasafeasiblesolu

2、tiontoProcessing:3Dvideodatareductioninlimitedbandwidthnetworkenvi-DepthestimationVideosuper-resolutionronments,i.e.,mobilenetworks.Inthispaper,weproposeasimultaneousmethodforvideosuper-resolutionandhigh-DownsamplingDownloadingUploadingqualitydepthestimationofmixed-resolution3Dvideo

3、.OurRenderingmethodtacklestheprobleminajointmanner:i).DepthEs-timation.Wecalculatetheinitialdepthsbystereomatching,3DVideoSourcesandthenwarpthemaccordingtotheopticalflowfield.ii).UsersVideoSuper-resolution.Undertheguidanceofthewarpeddepthinformation,weresolvethesuper-resolutionproblem

4、byafusionmethod,whichinvolvesamappingstepandanonlocalreconstructionstep.Weruntheabovetwostepsit-erativelyuntilobtainingthestabledepthandsuper-resolutionFig.1.Illustrationofscenariofor3Dvideodatareductionandresult.Theexperimentalresultsonpublic3DvideosequencesrestorationunderEnd-user

5、toCloudtoEnd-userframework.verifytheeffectivenessofourproposedmethod.IndexTerms—mixed-resolution3Dvideo,super-resolution,depthestimationcontentfromneighboringfullresolutionimagestoenhanceparticularlow-resolutionimages.Thisborrowingstepbuilds1.INTRODUCTIONonthecalculationofviewcorres

6、pondenceusingdepthin-formation.However,theydidnotdiscusstheacquisitionof3Dmobiledevicesarebecomingmoreandmorepopularindepthinformation.Actually,itisnotaneasythingfor3Dnowadays.Itincreasesthedemandfor3Dvideodatareduc-mobiledevices.HeribertBrustetal.proposedamethodtotionaimingatminimi

7、zingthebandwidthusage.Themixed-rendertherightviewfromtheleftviewandtheestimatedresolutionapproachisafeasibledatareductionsolutiontodepth[4].However,thedepthwascalculatedfromtheorig-reducetheamountofvideodata.Suchanapproachusesaful-inalfullresolutionleftviewandrightview.Therefore,iti

8、slresolutionvideoal