# Automated Classification of the Tympanic Membrane Using a Convolutional Neural Network
## 3 Results
### Class Activation Map
\begin{table}
\begin{tabular}{c c c c c c c c c c c c c} \hline \hline  & \multicolumn{4}{c}{**Left Normal TM**} & \multicolumn{4}{c}{**Left TM with Perforation**} & \multicolumn{4}{c}{**Right Normal TM**} & \multicolumn{4}{c}{**Right TM with Perforation**} \\ \hline  & **Overall** & **Side** & **TM Finding** & **Overall** & **Side** & **TM Finding** & **Overall** & **Side** & **TM Finding** & **Overall** & **Side** & **TM Finding** \\ \hline Activation rate & 8.7\% & 8.7\% & 8.6\% & 94.8\% & 90.6\% & 99.4\% & 52.5\% & 94.3\% & 10.6\% & 60.3\% & 21.6\% & 98.5\% \\ \cline{2-11}  & AS & 19.1\% & 1.5\% & 1.8\% & 42.3\% & 30.4\% & 50.3\% & 46.5\% & 47.3\% & 1.4\% & 41.9\% & 8.0\% & 42.3\% \\ \cline{2-11}  & AI & 52.2\% & 5.6\% & 3.5\% & 51.6\% & 58.0\% & 40.3\% & 86.8\% & 87.8\% & 3.2\% & 59.8\% & 15.6\% & 56.2\% \\ \cline{2-11}  & PS & 44.3\% & 6.8\% & 0.9\% & 74.3\% & 75.1\% & 66.3\% & 87.4\% & 90.8\% & 0.9\% & 53.5\% & 8.0\% & 56.2\% \\ \cline{2-11}  & PI & 36.5\% & 4.4\% & 2.0\% & 63.3\% & 64.6\% & 55.8\% & 56.8\% & 57.6\% & 2.1\% & 48.5\% & 6.5\% & 51.7\% \\ \hline  & AS & 20.9\% & 1.1\% & 2.6\% & 31.2\% & 44.2\% & 15.5\% & 22.7\% & 22.5\% & 1.3\% & 17.4\% & 3.5\% & 17.4\% \\ \cline{2-11}  & AI & 16.5\% & 1.2\% & 1.7\% & 17.5\% & 22.1\% & 11.6\% & 23.6\% & 21.5\% & 3.2\% & 13.3\% & 2.5\% & 13.4\% \\ \cline{2-11}  & PS & 33.0\% & \begin{tabular}{c} * 5.3\% \\ (17.56) \\ \end{tabular} & 0.5\% & 42.6\% & 56.9\% & 240.3\% & 74.2\% & 77.1\% & 0.8\% & 36.1\% & 7.5\% & 35.8\% \\ \cline{2-11}  & PI & 24.3\% & \begin{tabular}{c} * 2.3\% \\ (87.87) \\ \end{tabular} & 2.0\% & 29.4\% & 43.6\% & 12.7\% & 34.5\% & 34.3\% & 1.9\% & 16.2\% & 3.5\% & 15.9\% \\ \hline  & AS & 20.9\% & 2.0\% & 1.7\% & 24.2\% & 12.2\% & 33.7\% & 48.8\% & 50.2\% & 1.0\% & 24.5\% & 1.0\% & 28.4\% \\ \cline{2-11}  & AI & 25.2\% & 3.2\% & 1.2\% & 30.3\% & 20.4\% & 37.0\% & 59.4\% & 59.9\% & 2.5\% & 32.0\% & 1.5\% & 36.8\% \\ \cline{2-11}  & PS & 44.3\% & 6.9\% & 0.8\% & 25.7\% & 32.0\% & 16.6\% & 85.9\% & 89.0\% & 1.2\% & 13.3\% & 3.5\% & 12.4\% \\ \cline{2-11}  & PI & 21.7\% & 2.9\% & 0.9\% & 14.9\% & 7.7\% & 20.4\% & 46.9\% & 48.3\% & 0.9\% & 28.6\% & 0\% & 34.3\% \\ \hline  & Short & 45.2\% & 7.2\% & 0.6\% & 49.3\% & 61.9\% & 31.5\% & 89.9\% & 93.1\% & 1.2\% & 43.2\% & 10.1\% & 41.8\% \\ \cline{2-11}  & drones & 4.2\% & 7.8\% & 4.1\% & 0.8\% & 19.8\% & 16.0\% & 22.1\% & 72.9\% & 75.0\% & 1.4\% & 16.2\% & 1.5\% & 17.9\% \\ \cline{2-11}  & Grande & 46.1\% & 6.5\% & 1.5\% & 2.0\% & 2.8\% & 1.1\% & 74.8\% & 77.7\% & 0.8\% & 4.1\% & 1.5\% & 3.5\% \\ \hline  & Umbo & 22.6\% & 3.3\% & 0.6\% & 7.0\% & 6.1\% & 7.2\% & 60.3\% & 62.7\% & 0.5\% & 9.1\% & 0.5\% & 10.4\% \\ \cline{2-11}  & Perforation margin & 0\% & 0\% & 0\% & 43.4\% & 19.9\% & \begin{tabular}{c} * 63.0\% \\ (9.03) \\ \end{tabular} & 0\% & 0\% & 0\% & 0\% & 53.9\% & 1.5\% & 63.2\% \\ \hline  & Middle ear & 0\% & 0\% & 0\% & 61.8\% & 39.2\% & \
\begin{tabular}{c} * 78.5\% \\ (3.55) \\ \end{tabular} & 0\% & 0\% & 0\% & 75.9\% & 10.1\% &
\begin{tabular}{c} * 81.1\% \\ (37.88) \\ \end{tabular} \\ \hline \hline \end{tabular}  
* AS: Anterior-superior, AI: Anterior-inferior, PS: Posterior-superior, PI: Posterior-inferior, *: statistically significant (\(p<0.05\)), (\(\cdot\)) Odd ratio.  
\end{table} 
Table 3: Activation rate of subsite in class activation map.