基于MATLAB与WFDB的PhysioBank数据库读取

30320116BeijingBiomedicalEngineeringVol．30No．3June2011··4371001979—。[e-mail]hysioBankPhysioBank。MATLABWFDBMATLABPhysioBank。PhysioBankMATLABWFDBDOI10．3969/j．issn．1002－3208．2011．03．21．R318B1002－3208201103－0318－03PhysioBankDatabaseReadingBasedonMATLABandWFDBZHANGYuxiaSchoolofBiomedicalEngineeringXianningUniversityXianningHubeiProvince437100【Abstract】ThedemandtothePhysioBankdatabaseisincreasinginlifescienceresearchfieldmoreandmorepeoplebegintousetheopendataasthebasisforresearchandclinicalteaching．ThispaperintroducesamethodforreadingthePhysioBankdatabase．FirstwedownloadedandinstalledtheWFDBsoftwarepackageapplicabletoMATLABandthenprogrammedtoreadthedatafromPhysioBank．FinallywecanobtainedtheconcretevaluesofvarioustypesfromthePhysioBankdatabases．【Keywords】PhysioBankdatabasereadingMATLABWFDBsoftwarepackage0NationalInstitutesofHealthNIHPhysioBankMIT－BIH40http//．physionet．org/。PhysioBankelectrocardiogramECGmagneticresonanceimagingMRI。、。、、、。PhysioBank1。。http//．physionet．org/。MIT－BIH2。PhysioBankMATLABPhysioToolkitWaveFormDataBaseWFDBPhysioBank。。1PhysioBankWFDBMATLABWFDBPhysioToolkitMATLABMATLAB7MATLAB。1．1http//．physionet．org/cgi-bin/rdsamp‘Chooseadatabase’PhysioBank40http//．physionet．org/physiobank/database。MIMIC055‘Chooseadatabase’‘MIMICDatabasemimicdb’→‘Choosearecord’‘055/055’→‘Showsamples’055、→‘Samplesfromrecordmimicdb/055/055ofthe’‘MIMICDatabasemimicdb’→‘Completerecords’‘055’→05500001．al、05500001．dat、05500001．hea、05500001．txt。ECG16265‘Chooseadatabase’‘MIT－BIHNormalSinusRhythmDatabasensrdb’→‘Choosearecord’‘16265’→‘Showsamples’16265→‘Samplesfromrecordnsrdb/16265ofthe’‘MIT－BIHNormalSinusRhythmDatabasensrdb’→‘Completerecords’‘16265’→‘16265’16265．atr、16265．dat、16265．hea、16265．hea－、16265．xws。1．2MATLABWFDB。http//．physionet．org/physiotools/matlab/wfdb-swig-matlab/→‘http//．java．com’→“Java”→“Java”“Java”→“Windows7/XP/Vista/2000/2003/2008”→http//．physionet．org/physiotools/matlab/wfdb-swig-matlab/→“installtheWFDBToolboxforMATLABwithJavaWebStart”WFDBMATLAB。MATLABWFDBMATLABWFDBrdsampMrdsamp．mM。2MATLAB。2．105500001．al、05500001．dat、05500001．hea、05500001．txtMATLABworkrasamprdsamp．mrasamp。mimicdata1=rdsamp‘mimicdb/055/055’‘maxt’‘4’mimicdb055/055055maxt44s0smimicdata1workspace500×8101。0554s。mimicdata1=rdsampmimicdb/055/055‘begin’‘000010’‘maxt4’4s000010。mimicdata1=rdsampmimicdb/055/055‘begin’‘000010’‘stop’‘000014’4s000010·913·3MSP430000014。2．2ECG16265．atr、16265．dat、16265．hea、16265．hea－、16265．xwsMATLABworkrdsampnsrdata1=rdsamp'nsrdb/16265''maxt''4'rdsamp3．1nsrdata1workspace512×3102。162654s。1mimicdb/055/055Table1Readmimicdb/055/055MCL1ⅢⅤABPPAPPLETHRESP0275－47459142－637－20420411316－182552129－621－20020472263－327521116－602－2112047383－444289102－586－22720474－324－504－33088－567－25420475－701－513－92576－536－29220476－686－453－92465－497－32320477－423－302－57353－452－36520478－206－126－27942－405－40720479－80－2－10632－379－45020472nsrdb/16265Table2Readnsrdb/16265ECGECG0－33－651－31－652－39－613－41－614－37－595－31－536－27－477－19－378－15－279－13－1931http//．physionet．org/cgi-bin/rdsamp0551112000。2http//．physionet．org/cgi-bin/rdsamp162652222000。MATLABPhysioBank2000。1mimicdb/055/055Figure1Recordedmimicdb/055/0552nsrdb/16265Figure2Recordednsrdb/162654、。MATLABPhysioToolkitWFDBPhysioBank。1．PhysioBankC．———200720071400－1402．2．MIT－BIHJ．201009272010－07－262010－08－16·023·30