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KEY FEATURES

l SupportstheC3Dfileformatl Real-timedataanalysisl FlexibleModelBuilderl Kinematicandkineticanalysisl Synchronizedvideol Generatesclinicalreports

BENEFITS

Visual3Doffersyoucostsavingefficiencyimprovementsby:l Automatingprocessestosavemoneythroughreducedcycletimes,reducedopportunitiesformistakesandreducedtrain-ingneeds

l Havingtheflexibilitytocustom-izethesystemtomeetyourlocal,specificdatacollection,formatting,processing,analyticandreportingrequirements

l Generatingconsistentreportsacrosstrials,timeandsystemsforperformancequantificationandanalysis

SYSTEM BENEFITS

l Runswithportableor stationarycomputerwith Windows2000,XPorVistal FacilityLicenced-nodongle

Visual3D™Apowerfulsoftwarepackageforvisualizingandanalyzingbiomechanicaldata

Visual3Disanadvancedanalysispackageformanagingandreportingopti-cal3-Ddata.Visual3D,togetherwithQualisysMotionCaptureSystem,provideanadvancedandaffordablesolutionforbiomechanicalanalysis.Visual3Dhasbeentestedinscientificandclinicallabsworldwideandisthepreferredsolutionforrigorousandaccurate3-Dmotionanalysis.Visual3DwasdesignedanddevelopedbyC-Motion,Inc,oneofQualisys’global,strategicpartnersforthedevelopmentandmarketingofclinicalandresearchapplications.QualisysMotionCaptureSystemsarenowofferedtogetherwiththeVisual3Dsoftware.

PRODUCTS

Product Information

INPUT DATA Visual3D’sstandardinputfileisintheC3Dformat(http://www.c3d.org).Visual3DreadsandwritesC3Dfilescreatedonanycommoncomputerplatform(PC,VAX,SGI,MAC).Tab-delimitedASCIIfilesandMatlab’sfilescanbeimported,exportedandconvertedintoC3Dfiles.

MODEl BUIlDERThecoreofVisual3DistheModelBuilder,aflexiblebiomechanicalmodelingtoolthatcanbeusedtodefineanunrestrictednumberofrigidsegmentsandlinkthemtogether.TheVisual3Dbiomechani-calmodeldefineseachjointtohavesixdegreesoffreedom.Thegeneralizedsixdegreesoffreedommodelingtechniqueallowsfortheanalysisofvirtuallyanyhuman,animalormechanicalmove-ment(includingassistivetechnologies).

TRACKINgVisual3Dusesanoptimalmethodfortrackingeachsegmentofthemodel.Thepose(positionandorientation)ofeachsegmentisdeterminedby3ormorenon-collinearpointsattachedtothesegment.Forevengreateraccu-racy,aclusteroftargetscanberigidlyattachedtoashell.Thispreventsthetargetsfrommovingrelativetoeachother.Thisshellisthenaffixedtothesegment.Thekinematicsofthemodeliscalculatedbydeterminingthetransformationfromthetrackingtargetsrecordedtoacalibrationpose.

AUTOMATIC lABElINg AND EVENT DETECTIONVisual3Danalyzesmultiplemovementcyclesbothwithinandacrosstrials.Visual3Dautomaticallydeterminescommoneventsrelatedtogaitanalysissuchasheelstrike,mid-stanceandfoot-offduringgait.

SCRIPTINg AND wORKFlOwVisual3Dhasamodestscriptinglanguagethatpermitstheautomatedprocessingofdata.Usingscripts,customdataprocessing(thatisnotavailablethroughthegraphicaluserinterface)hasbeenimplementedforselectedcustomers.ThemostrecentversionofVisual3Disalsocapableofexecutinguser-definedexefilesanduser-defineddll’s.Thisprovidestheuserwiththeabilitytogeneratecustomanalyseswhilealsotakingadvan-tageofthedatavisualizationandreportingcapabilitiesofVisual3D.

VISUAlIzATIONThevisualizationofmotiondatacanbeshownasskeletons,mannequinsoruser-definedanimationsthathavebeenimportedfromexternalsoftware.GroundreactionforcesfromforceplatescanbeshownasvectorarrowsandEMGsignalscanalsobevisualized.ThepresentationofsynchronizedvideoisalsopossiblewithinVisual3D.

Visual3Dusesanoptimalmethodfortrackingeachsegmentofthemodel.Thepose(positionandorientation)ofeachsegmentisdeterminedby3ormorenon-collinearpointsattachedtothesegment.

Thevisualizationofmotiondatacanbeshownasskeletons,man-nequinsoruser-definedanima-tions.

Visual3Dprovidesstraightfor-wardreportsthatareusedtoproduceandinterpretmovementsequences.

StandardreportsforclinicalgaitanalysiscanbecreatedandsavedwithintheVisual3Dreportbuilder.

Datacanbeplottedingraphsandcomparisonsmadebetweendif-ferentpatientsandgroups.

Heelstrikeandtoeoffcanbesetbyusingtheeventprocessingfunctionforautomaticgaiteventdetection

REPORTINgVisual3Dprovidesstraightforwardreportsthatareusedtoproduceandinterpretmovementsequences,includingastandardanalysisreportthatcanbegeneratedwithaminimumofinputusingautomatedprocessingscripts.Atthesametime,advanceduserswillbeabletoaccessamoreflexibleanalysistoolforlesscommonapplications(includinguniquepatientpopulations)inordertocustomizethereportformat.

REAl-TIMEQualisysTrackManagertracksobjectsautomaticallyinreal-timeand2D,3Dand6Dcamerainformationisdisplayedallowinginstantconfirmationofaccuratedataacquisition.Captureddataiseasilystreamed,inreal-time,fromQTMintoVisual3D.InVisual3Dyoucanthenviewandanalyzedatainrealtime,createreal-timemovingcharts,andtriggereventsoffofthresholdexceptionsorsignals.Areal-timepipeline*isprovidedwhichenablesthecreationofkinematicsandinversedynamicsresults,inreal-time.Onebenefitisthatyoucancreateamodel,andseethedataappliedtoamodel,inreal-timeandthusverifyameaningfuldatacaptureonthespot,ratherthanfindingerrorsinpostprocessingandhavingtoredo(i.e.reschedule)atrial. *RequiresV3DProfessional

SAVE AND ExPORTInadditiontotheC3Dformat,C-MotionhasdesignedaproprietaryformatcalledtheCMOformat.Thisformatcontainsanentiremovementanalysisincludingmultiplemovementtrials(e.g.multipleC3Dfiles),astaticcalibrationtrial,biomechanicalmodeldescription,reportsandtherela-tionalinformationofthetrials.FortheconvenienceofsomeusersC-Motionhasprovidedtheabilitytoexporttab-delimitedasciifilesandmatlabmatfiles.AnimationscanalsobeexportedasAVI,BMPorSVGfiles.

gAIT ANAlYSISVisual3Dneedsatleastthreemarkersforeachbodysegmenttodeter-mineitsmotion.Regardlessofthis,Visual3Disveryflexible.Infact,anyGaitAnalysismodel(markerconfiguration)canbeusedwithVisual3D.Thisisaccomplishedbydefining“virtual”markersforbodysegmentswithlessthanthreemarkersattachedtothem.AnadvantagewiththismethodisthatallassumptionsmadebydifferentGaitmodelsareclearlyvisibletotheuserasvirtualmarkers.

Userscandefinetheirownmarkerconfigurations(aone-timetask)orusesomeofthefollowingimplementedmarkersetupsforgaitanalysis:

lVisual3D6DegreesofFreedomModellHelenHayesmarkerconfigurationl SkinMarkerconfiguration

Real-timeanimationwithanalysisandbiofeedback.

QUAlISYS AB

Packhusgatan6·41113Gothenburg·SWEDENTel.+46313369400·Fax.+46313369420 e-mail:sales@qualisys.com·www.qualisys.com20

08-01-25

APPlICATIONSVisual3Dprovidesmaximumflexibilityinmanaging,analyzing,andreport-ingmotiondatacollectedbytheQualisysMotionCaptureSystem.Visu-al3Dhasevolvedfrombeingaclinicalresearchtoolintothemostpowerfulandpracticalsolutionformanyindustriesandresearchersinfields,suchas:

lClinicalMotionAnalysis(includingGaitAnalysis)lHumanFactorsEngineeringandErgonomicslNeurosciencelSportsmotionanalysislEntertainmentmotionmodellinglAnimalmotionstudieslPsychologystudies

FEATURES

l Supportfor3-DKinematicandKineticAnalysis(InverseDynamics)

l FlexibleModelBuilderforcreating6DOFsegmentedmodelsforhuman,animalormechanicalmovement

l Push-buttonautomationofthesignalprocessing,analysisandreportingprocess

l Pipelineprocessingofscripts

l Automaticandmanualeventdetection

l Plug-inarchitectureandSDK toextendfunctionality

l Realtimeplug-infor streamingdata

l Generatesclinicalreports

lWorkswithopticalmotioncapturesystems,forceplatformsandEMG

l Clinicallyprovenandreliable

l Synchronizedvideo

l Virtualmarkers,objectsandsegments

l Optimaltrackingandsupport formarkerclusters

l 3DDigitizingPointer

l Matlabprocessing

l UsesindustrystandardC3Dfiles

lWorkswithdatafrommultiplesystemssimultaneously

l Customfiltersorcomplextransformations

l Customanalyses

l Custommarkersets

VISUAl3D VERSIONSVisual3Disavailableintwoforms-StandardEditionandaProfessionalversion.AdditionalfunctionalityinVisual3DProfessionalare:

lCMOLibrary-DatamanagementenhancementstopermityoutoaccessallthedatainallyourCMOfiles(yourtrials,metrics,reports,parameters,etc)foruseinmorecomplexanalysis,reporting,anddevelop-ingapplicationcentricdatastores. lReal-TimeBiofeedbackandAnalysis-Processes,graph,andanalyzedataaswellascollectingdatainreal-time.Createreal-timemovingcharts,trig-gerevents,andanalysis.Areal-timeanalysispipelineisalsoavailableforuse. lInducedAcceleration-Letsyoudeterminewhichmusclesarethesourceorcontributingtolowerbodymovement.Someforwarddynamicsareinvolvedwiththisanalysis.

lCaltesterSoftware-Verifiesthespatialsynchronizationofyourmotioncapturesystemsandforceplatforms.TheCalTestershouldbeusedbeforeeachmotioncapturesessiontovalidatelaboratorysettings.