Table 2.
Mean absolute errors (± the standard deviation) in ms between the prediction and the synthetic ground truth activation time for different tissue types as well as the total activation time (TAT) at different subsampling ratios.
| Subsampling ratio | 1% | 2% | 5% | 10% | 15% | 20% | 25% |
|---|---|---|---|---|---|---|---|
| ∅ Samples / cm2 | 0.2 | 0.4 | 1.0 | 2.1 | 3.3 | 4.3 | 5.5 |
| TAT in ms | 3.3 ± 3.7 | 2.1 ± 2.2 | 1.4 ± 1.4 | 1.2 ± 1.1 | 1.1 ± 1.2 | 1.1 ± 1.2 | 1.0 ± 1.1 |
| Whole heart in ms | 7.6 ± 7.4 | 5.7 ± 5.9 | 3.9 ± 4.2 | 3.3 ± 3.7 | 3.2 ± 3.7 | 3.1 ± 3.6 | 3.1 ± 3.6 |
| LV Endo. in ms | 7.3 ± 7.4 | 4.7 ± 5.4 | 2.4 ± 2.9 | 1.5 ± 1.9 | 1.3 ± 1.7 | 1.1 ± 1.4 | 1.0 ± 1.2 |
| LV Epi. in ms | 8.8 ± 8.2 | 6.7 ± 6.5 | 4.5 ± 4.5 | 3.9 ± 3.9 | 3.7 ± 3.8 | 3.7 ± 3.7 | 3.6 ± 3.6 |
| Border zone in ms | 9.4 ± 8.8 | 7.4 ± 7.3 | 5.3 ± 5.6 | 4.3 ± 4.6 | 4.0 ± 4.3 | 3.9 ± 4.2 | 3.7 ± 4.1 |