Figure 2

Sample results of cleaned and GIV-corrupted ECG signals for leads V1-V5 during GRE and SSFP sequences. A) The measured signal form the ECG leads is plotted in red. One can see the overlaid GIV contribution during the imaging sequence, which disappears at the end of the scan (~9 sec). The cleaned-up ECG data are plotted in blue. B) Screenshot of real-time ECG monitoring during a Gradient-Echo scan following a training routine. The top portion shows the raw signal acquired on the ECG leads during the scan, containing GIV and ECG. The bottom plot shows the real-time output of the clean-up procedure after training.