Independent component analysis in extracting sub-signal of ECG
Zhengxiang Xie · Modern Medicine Health · 2003
Objective: Independent component analysis (ICA) was employed to extract sub-signal of Electrocardiosignal (ECS). Methods: The mode, theory and algorithms of ICA were discussed briefly. The ability of ICA to extract independent signal was confirmed in simulation experiment that the data had the feature of Electrocardiosignal (ECS). Finally, real 4-lead simultaneous recording ECS was analyzed, also atrial fibrillation (AF) wave that was acquired from volunteer with AF. Results: The experimental results show that ICA can extract components of multi-lead simultaneous recording ECS, especially the weak one of burying in background Conclusion:ICA can decompose AF wave from composite ECS.