简介:Thecompressedsensing(CS)ofaccelerationdatahasbeendrawingincreasingattentioningaittelemonitoringapplication.Insuchapplication,therestillexistsomechallengingissuesincludinghighenergyconsumptionofbody-worndeviceforaccelerationdataacquisitionandthepoorreconstructionperformanceduetononsparsityofaccelerationdata.Thus,thenovelschemeofcompressivesensingofaccelerationdataisneededurgentlyforsolutionsthatarefoundtotheseissues.
简介:Usingofactivecardiacmedicaldevicesincreasessteadily.InEurope,therewere183implantsofICDand944implantsofPM,119ofbiventricularICDand41ofbiventricularPM,allpermillionin-habitantsin2014.Healthcareenvironments,includingradiotherapytreatmentrooms,areconsideredchallengingfortheseimplantabledevices.Exposuretoradiationmaycausethedevicetoexperienceprematureelectivereplacementindicator,decreasedpacingamplitudeorpacinginhibition,inappropri-ateshocksorinhibitionoftachyarrhythmiatherapyandlossofdevicefunction.
简介:Areaswithhighfrequencyactivitywithintheatriumarethoughttobe'drivers'oftherhythminpatientswithatrialfibrillation(AF)andablationoftheseareasseemstobeaneffectivetherapyine-liminatingDFgradientandrestoringsinusrhythm.ClinicalgroupshaveappliedthetraditionalFFT-basedapproachtogeneratethethree-dimensionaldominantfrequency(3DDF)mapsduringelectro-physiology(EP)proceduresbutliteratureisrestrictedonusingalternativespectralestimationtech-niquesthatcanhaveabetterfrequencyresolutionthatFFT-basedspectralestimation.