## 3 Results and Discussion
### ECG Delineation
\begin{table}
\begin{tabular}{c c c c c c c} \hline \hline \multirow{2}{*}{**AF Records**} & \multirow{2}{*}{**Class**} & \multicolumn{5}{c}{**Performance Results (\%)**} \\ \cline{3-6}  & & **Accuracy** & **Sensitivity** & **Specificity** & **Precision** & **F1** \\ \hline \multirow{3}{*}{8} & **P-wave** & 99.7 & **0** & 99.7 & **0** & **0** \\ \cline{2-6}  & QRS-complex & 96.5 & 77.8 & 99.6 & 96.9 & 86.3 \\ \cline{2-6}  & T-wave & 96.8 & 91.3 & 97.9 & 90.3 & 90.8 \\ \hline \multirow{3}{*}{38} & **P-wave** & 94.4 & **0** & 94.4 & **0** & **0** \\ \cline{2-6}  & QRS-complex & 95.5 & 76 & 99.5 & 96.6 & 85 \\ \cline{2-6}  & T-wave & 84.7 & 16.8 & 99.7 & 91.4 & 28.3 \\ \hline \multirow{3}{*}{44} & **P-wave** & 97.8 & **0** & 97.8 & **0** & **0** \\ \cline{2-6}  & QRS-complex & 96.9 & 80.2 & 99.6 & 97.2 & 87.9 \\ \cline{2-6}  & T-wave & 94 & 73.7 & 98 & 87.7 & 80.1 \\ \hline \multirow{3}{*}{51} & **P-wave** & 97.2 & **0** & 97.2 & **0** & **0** \\ \cline{2-6}  & QRS-complex & 96.5 & 77.2 & 99.9 & 99.1 & 86.8 \\ \cline{2-6}  & T-wave & 95.6 & 76.4 & 98.8 & 91.6 & 83.3 \\ \hline \multirow{3}{*}{83} & **P-wave** & 96.3 & **0** & 96.3 & **0** & **0** \\ \cline{2-6}  & QRS-complex & 89.1 & 40.3 & 100 & 99.8 & 57.5 \\ \cline{2-6}  & T-wave & 87.1 & 77 & 89.9 & 67.7 & 72 \\ \hline \multirow{3}{*}{88} & **P-wave** & 96.6 & **0** & 96.6 & **0** & **0** \\ \cline{2-6}  & QRS-complex & 97.9 & 89.7 & 99.1 & 93.5 & 91.6 \\ \cline{2-6}  & T-wave & 81.4 & 24 & 95.6 & 57.7 & 33.9 \\ \hline \hline \end{tabular}
\end{table} 
Table 4: The experimental results of AF detection with iCOR. Figure 8: The sample visualization of ground truth and iCOR prediction in AF and AFL records. \begin{table}
\begin{tabular}{c c c c c c c} \hline \hline \multirow{2}{*}{**AF Records**} & \multirow{2}{*}{**Class**} & \multicolumn{5}{c}{**Performance Results (\%)**} \\ \cline{3-7}  & & **Accuracy** & **Sensitivity** & **Specificity** & **Precision** & **F1** \\ \hline \multirow{3}{*}{93} & **P-wave** & 97.1 & **0** & 97.1 & **0** & **0** \\ \cline{2-7}  & QRS-complex & 94.3 & 62.5 & 99.7 & 97.7 & 76.3 \\ \cline{2-7}  & T-wave & 93.7 & 85.5 & 95.4 & 79.2 & 82.2 \\ \hline \multirow{3}{*}{95} & **P-wave** & 99.6 & **0** & 99.6 & **0** & **0** \\ \cline{2-7}  & QRS-complex & 93.7 & 53.7 & 99.2 & 90.2 & 67.3 \\ \cline{2-7}  & T-wave & 89.4 & 73.8 & 93.3 & 73.8 & 73.8 \\ \hline \multirow{3}{*}{96} & **P-wave** & 96.1 & **0** & 96.1 & **0** & **0** \\ \cline{2-7}  & QRS-complex & 98.2 & 92.8 & 99 & 92.5 & 92.6 \\ \cline{2-7}  & T-wave & 87.4 & 40.3 & 98.9 & 89.7 & 55.6 \\ \hline \multirow{3}{*}{101} & **P-wave** & 93.8 & **0** & 93.8 & **0** & **0** \\ \cline{2-7}  & QRS-complex & 96.7 & 80 & 99.6 & 97.2 & 87.7 \\ \cline{2-7}  & T-wave & 89.4 & 63.8 & 96.6 & 83.8 & 72.4 \\ \hline \multirow{3}{*}{110} & **P-wave** & 98.9 & **0** & 98.9 & **0** & **0** \\ \cline{2-7}  & QRS-complex & 95.2 & 69.6 & 99.6 & 96.4 & 80.8 \\ \cline{2-7}  & T-wave & 88.3 & 56.6 & 97.8 & 88.3 & 69 \\ \hline \multirow{3}{*}{112} & **P-wave** & 92.1 & **0** & 92.1 & **0** & **0** \\ \cline{2-7}  & QRS-complex & 98.1 & 91.9 & 99.2 & 95 & 93.4 \\ \cline{2-7}  & T-wave & 87 & 37 & 97.2 & 73.5 & 49.2 \\ \hline \multirow{3}{*}{129} & **P-wave** & 97.7 & **0** & 97.7 & **0** & **0** \\ \cline{2-7}  & QRS-complex & 97.8 & 77.3 & 99.7 & 95.9 & 85.6 \\ \cline{2-7}  & T-wave & 94.7 & 83.7 & 96.9 & 84.2 & 84 \\ \hline \multirow{3}{*}{173} & **P-wave** & 96.3 & **0** & 96.3 & **0** & **0** \\ \cline{2-7}  & QRS-complex & 97.9 & 88.1 & 99.4 & 95.6 & 91.7 \\ \cline{2-7}  & T-wave & 93.4 & 73.4 & 98.7 & 93.9 & 82.4 \\ \hline \hline \end{tabular}
\end{table} 
Table 4: _Cont._