Research Article

Unveiling the Biometric Potential of Finger-Based ECG Signals

Figure 6

Comparison of heartbeat waveforms at heart rates of 70 (low) and 133 (high) BPM. On the left we depict the raw signals, where, a wave compression can be noticed for high heart rate. On the right, the time-normalized signals are presented.
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(a)
720971.fig.006b
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