當前位置：首頁 > 醫(yī)學文檔 > 生物醫(yī)學 > 正文

AnovelapproachframeworkbasedonstatisticsforreconstructionandheartrateestimationfromPPGwithheavymotionartifacts

ScienceChina(InformationSciences) 頁數(shù)： 12 2018-01-31
摘要： Oneofthemostimportantapplicationsofphotoplethysmography(PPG)signalisheartrate(HR)estimation.Foritsapplicationsinwearabledevices,motionartifact(MA)maybethemostseriouschallengeforrandomnessbothinformatandtemporaldistribution.Thispaperproposesanadvancedtime-frequencyanalysisframeworkbasedonempiricalmodedecomposition(EMD)toselectspecifictimeslicesforsignalreconstruction.Thisframeworkoperateswithatypeofpre-processingcalledvariancecharacterizationseries(VCS),EMD,singularvaluedecomposition(SVD),andapreciseandadaptive2-Dfiltrationreportedfirst.ThisfiltrationisbasedonHarrwavelettransform(HWT)and3rdordercumulantanalysis,tomakeithaveresolutioninboththetimedomainanddifferentcomponents.Thesimulationresultsshowthattheproposedmethodgains1.07inabsoluteaverageerror(AAE)and1.87instandarddeviation(SD);AAEs1stand3rdquartilesare0.12and1.41,respectively.ThisframeworkistestedbythePhysioBankMIMICIIwaveformdatabase. ... （共12頁）

開通會員，享受整站包年服務
說明： 本文檔由創(chuàng)作者上傳發(fā)布，版權歸屬創(chuàng)作者。若內容存在侵權，請點擊申訴舉報