A Simple and Flexible Volume Rendering Framework for Graphics-hardware–based Raycasting (2005)

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1、VolumeGraphics(2005)E.Gröller,I.Fujishiro(Editors)ASimpleandFlexibleVolumeRenderingFrameworkforGraphics-Hardware–basedRaycastingSimonStegmaier†MagnusStrengert†ThomasKlein†ThomasErtl†InstituteforVisualizationandInteractiveSystemsUniversityofStuttgartFigure1:Variousvolumerenderingsofad

2、istanceeldderivedfromtheStanfordLucydataset,includingtranslu-cency,transparentisosurfaces,refraction,andreection.AbstractInthisworkwepresentaexibleframeworkforGPU-basedvolumerendering.Theframeworkisbasedonasinglepassvolumeraycastingapproachandiseasilyextensibleintermsofnewshaderfu

3、nctionality.Wedemonstratetheexibilityofoursystembymeansofanumberofhigh-qualitystandardandnon-standardvolumerenderingtechniques.Ourimplementationshowsapromisingperformanceinanumberofbenchmarkswhileproducingimagesofhigheraccuracythanobtainedbystandardpre-integratedslice-basedvolumeren

4、dering.CategoriesandSubjectDescriptors(accordingtoACMCCS):I.3.3[ComputerGraphics]:Picture/ImageGeneration—ViewingAlgorithms;I.3.7[ComputerGraphics]:Three-DimensionalGraphicsandRealism—Raytracing1.Introductionvances,likee.g.ingraphicshardware,toguaranteebestper-formancealsoforincreasi

5、nglylargedatasets;butthisdesireScienticvolumevisualizationplaysanimportantroleinalsoreferstonewmethodologies,i.e.weexpecttheoptimalbothacademiaandindustry.Dependingontheapplica-tooltobeveryexibleandtoallowforfastandpainlessin-tion,variousvisualizationtechniquesarebeingemployed.tegr

6、ationofinnovativenewvolumerenderingtechniquesifInordertoobtainaproductivesystemthatisuniversallytheycanhelptosupportdoctorsindiagnosingillnessesorapplicable—inmedicine,geosciences,engineering,etc.—itengineersinrecognizingdeteriorationincriticalmechanicalisnecessarytointegratethesetec

7、hniquesintoasingletool.parts.Furthermore,theoptimalvolumerenderingtoolissupposedtobefuture-proof.Ofcourse,thisreferstotechnicalad-Atthemoment,actualvolumerenderingimplementationsarealmostexclusivelybasedonslice-basedmethodswhereaxis-orviewport-alignedtexturedslicesareblendedto-†(steg

8、maierjstreng