Figure 5From: Sequential algorithm for life threatening cardiac pathologies detection based on mean signal strength and EMD functions EMD decomposition of VF. EMD decomposition of a VF episode. (a) ECG signal x(n) and its first IMF of a VF episode without high frequency noise, (b) only the first IMF and the sum of the first two IMFs of a VF episode x(n) with high frequency noise.Back to article page