P19-S04-Koitsalu-BioGlass - Physiological Parameter Estimation Using a Head-mounted Wearable Device

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1、BioGlass:PhysiologicalParameterEstimationUsingaHead-mountedWearableDevice1221JavierHernandezYinLiJamesM.RehgRosalindW.Picard12MediaLabSchoolofInteractiveComputingMassachusettsInstituteofTechnologyGeorgiaInstituteofTechnologyCambridge,MA,USAAtlanta,GA,USA{javierhr,picard}@media.mit.edu{yl

2、i4400,rehg}@gatech.eduAbstract—ThisworkexploresthefeasibilityofusingsensorsembeddedinGoogleGlass,ahead-mountedwearabledevice,tomeasurephysiologicalsignalsofthewearer.Inparticular,wedevelopnewmethodstouseGlass’saccelerometer,gyroscope,BoneconductionAmbientlightandandcameratoextractpulsean

3、drespiratoryratesof12AudioTransducerproximitysenorparticipantsduringacontrolledexperiment.Weshowitispossibletoachieveameanabsoluteerrorof0.83beatsperminute(STD:2.02)forheartrateand1.18breathsperminute(STD:2.04)forrespirationratewhenconsideringdifferentcombinationsofsensors.Theseresultsin

4、cludedtestingacrossAccelerometerysitting,supine,andstandingstillposturesbeforeandafterTouchpadxzphysicalexercise.MicrophoneGyroscopeBallistocardiogram(BCG);bloodvolumepulse(BVP);heartCamera(1280x720pixels)yMagnetometerrate;respirationrate;head-mountedwearabledevice;gyroscope;xzaccelerero

5、meter;camera;dailylifemonitoring.Figure.1.Head-mountedwearabledeviceGoogleGlassandthelocationsofI.INTRODUCTIONsomeofthemainsensors.BeingabletocomfortablymonitorphysiologicalII.PREVIOUSWORKinformationduringdailylifecanreducethecostsassociatedwithhealthcare[16].PhysiologicalmeasuressuchasB

6、allistocardiographywaspopularizedbyStarretal[15]cardiovascularandrespiratoryactivitycanbeusedforearlywhoshowedthatthemechanicalballisticforcesoftheheartdetectionanddiagnosisofrelevantriskfactorsofelicitsubtlebodymovements.Whiletheoriginalexperimentscardiovasculardisease[2]aswellasforhelp

7、ingtomonitorrequiredasubjecttoliedownonasuspendedsupportingchronicconditionsandtherapeuticinterventions.structure,continuoustechnologicaladvanceshaveenabledBCGmeasurementinlessconstrainedsettings.Forinstance,Traditionalapproachestomeasureparameterssuchasheartraterequireat