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1、1538IEEETRANSACTIONSONBIOMEDICALENGINEERING,VOL.61,NO.5,MAY2014UnobtrusiveSensingandWearableDevicesforHealthInformaticsYa-LiZheng,StudentMember,IEEE,Xiao-RongDing,CarmenChungYanPoon,BennyPingLaiLo,HeyeZhang,Xiao-LinZhou,Guang-ZhongYang,Fellow,IEEE,NiZhao,andYuan-
2、TingZhang*,Fellow,IEEEAbstractTheagingpopulation,prevalenceofchronicdiseases,I.INTRODUCTIONandoutbreaksofinfectiousdiseasesaresomeofthemajorchal-lengesofourpresent-daysociety.Toaddresstheseunmethealth-LOBALhealthcaresystemsarestrugglingwithagingcareneeds,especial
3、lyfortheearlypredictionandtreatmentofGpopulation,prevalenceofchronicdiseases,andtheac-majordiseases,healthinformatics,whichdealswiththeacquisi-companyingrisingcosts[1].Inresponsetothesechallenges,tion,transmission,processing,storage,retrieval,anduseofhealthresear
4、chershavebeenactivelyseekingforinnovativesolu-information,hasemergedasanactiveareaofinterdisciplinaryre-tionsandnewtechnologiesthatcouldimprovethequalitysearch.Inparticular,acquisitionofhealth-relatedinformationbyunobtrusivesensingandwearabletechnologiesisconside
5、redasaofpatientcaremeanwhilereducethecostofcarethroughcornerstoneinhealthinformatics.Sensorscanbeweavedorinte-earlydetection/interventionandmoreeffectivedisease/patientgratedintoclothing,accessories,andthelivingenvironment,suchmanagement.Itisenvisagedthatthefutur
6、ehealthcaresystemthathealthinformationcanbeacquiredseamlesslyandpervasivelyshouldbepreventive,predictive,preemptive,personalized,per-indailyliving.Sensorscanevenbedesignedasstick-onelectronicvasive,participatory,patient-centered,andprecise,i.e.,p-healthtattoosord
7、irectlyprintedontohumanskintoenablelong-termhealthmonitoring.Thispaperaimstoprovideanoverviewoffoursystem.emergingunobtrusiveandwearabletechnologies,whicharees-Healthinformatics,whichisanemerginginterdisciplinarysentialtotherealizationofpervasivehealthinformation
8、acqui-areatoadvancep-health,mainlydealswiththeacquisition,sition,including:1)unobtrusivesensingmethods,2)smarttex-transmission,processing,storage,retrieval,and
