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EUROGRAPHICS2007/D.Cohen-OrandP.Slavík (GuestEditors) Volume26(2007),Number3 Skeleton-basedVariationalMeshDeformations
"... Inthispaper,anewfree-formshapedeformationapproachisproposed.Wecombineaskeleton-basedmeshdeformationtechniquewithdiscretedifferentialcoordinatesinordertocreatenatural-lookingglobalshapedeformations.Givenatrianglemesh,wefirstextractaskeletalmesh,atwo-sidedVoronoi-basedapproximationofthe medialaxis.Nex ..."
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Inthispaper,anewfree-formshapedeformationapproachisproposed.Wecombineaskeleton-basedmeshdeformationtechniquewithdiscretedifferentialcoordinatesinordertocreatenatural-lookingglobalshapedeformations.Givenatrianglemesh,wefirstextractaskeletalmesh,atwo-sidedVoronoi-basedapproximationofthe medialaxis.Nexttheskeletalmeshismodifiedbyfree-formdeformations.Thenadesiredglobalshapedeformationisobtainedbyreconstructingtheshapecorrespondingtothedeformedskeletalmesh.Thereconstructionis basedonusingdiscretedifferentialcoordinates.Ourmethodpreservesfinegeometricdetailsandoriginalshape thicknessbecauseofusingdiscretedifferentialcoordinatesandskeleton-baseddeformations.Wealsodevelop anewmeshevolutiontechniquewhichallowustoeliminatepossibleglobalandlocalself-intersectionsofthe deformedmeshwhilepreservingfinegeometricdetails.Finally,wepresentamulti-resolutionversionofourapproachinordertosimplifyandacceleratethedeformationprocess.Inaddition,interestinglinksbetweenthe proposedfree-formshapedeformationtechniqueandclassicalandmodernresultsinthedifferentialgeometryof spherecongruencesareestablishedanddiscussed. CategoriesandSubjectDescriptors(accordingtoACMCCS):I.3.5[ComputerGraphics]:ComputationalGeometry andObjectModeling
the Gulf of Mexico
"... www.elsevier.com/locate/ocecoaman Integration of subsystems models as a tool toward describing feeding interactions and fisheries impacts in a large marine ecosystem, ..."
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www.elsevier.com/locate/ocecoaman Integration of subsystems models as a tool toward describing feeding interactions and fisheries impacts in a large marine ecosystem,
