ecg=LowPassFilter(ecg) ecg=HighPassFilter(ecg) ecg=Derivative(ecg) For i=1 to length(ecg) { ecg(i)=ecg(i)*ecg(i) } ecg=FiducialMark(ecg) For i=1 to length(ecg) { If(ecg(i)>Theshold) { Ecg(i)=ecg(i) } Else { Ecg(i)=0 } } Return ecg }
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