Visual3D™ - United Sportunitedsport.net/index_htm_files/PI_Visual3D.pdf · Visual3D has been...
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KEY FEATURES l Supports the C3D file format l Real-time data analysis l Flexible Model Builder l Kinematic and kinetic analysis l Synchronized video l Generates clinical reports BENEFITS Visual3D offers you cost saving efficiency improvements by: l Automating processes to save money through reduced cycle times, reduced opportunities for mistakes and reduced train- ing needs l Having the flexibility to custom- ize the system to meet your local, specific data collection, formatting, processing, analytic and reporting requirements l Generating consistent reports across trials, time and systems for performance quantification and analysis SYSTEM BENEFITS l Runs with portable or stationary computer with Windows 2000, XP or Vista l Facility Licenced - no dongle Visual3D™ A powerful software package for visualizing and analyzing biomechanical data Visual3D is an advanced analysis package for managing and reporting opti- cal 3-D data. Visual3D, together with Qualisys Motion Capture System, provide an advanced and affordable solution for biomechanical analysis. Visual3D has been tested in scientific and clinical labs worldwide and is the preferred solution for rigorous and accurate 3-D motion analysis. Visual3D was designed and developed by C-Motion, Inc, one of Qualisys’ global, strategic partners for the development and marketing of clinical and research applications. Qualisys Motion Capture Systems are now offered together with the Visual3D software. PRODUCTS Product Information
Transcript of Visual3D™ - United Sportunitedsport.net/index_htm_files/PI_Visual3D.pdf · Visual3D has been...
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:[email protected]·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.
