Table 4.
Performance summary of the proposed bidirectional LSTM in NSRDB analysis 1 of Figure 8a.
| Type of Cell/Unit |
Input Sequence Length (in Number of Beats) |
Number of Hidden Layer |
Overall Accuracy |
Overall Precision |
Overall Recall |
F1 Score |
|---|---|---|---|---|---|---|
| LSTM | 2–4 | 1 | 29.7% | 24.13% | 29.68% | 0.2662 |
| LSTM | 2–4 | 2 | 98.6% | 98.73% | 98.67% | 0.9870 |
| LSTM | 2–4 | 3 | 100% | 100% | 100% | 1.0000 |
| Proposed LSTM | 2–4 | 1 | 99.93% | 99.92% | 99.96% | 0.9994 |
| Proposed LSTM | 2–4 | 2 | 99.93% | 99.92% | 99.96% | 0.9994 |
| Proposed LSTM | 2–4 | 3 | 99.93% | 99.94% | 99.93% | 0.9993 |