# A Survey on Diabetic Retinopathy Lesion Detection and Segmentation
## 4 Discussion
### Lesion Detection
\begin{table}
\begin{tabular}{l l l l l} \hline \hline
**Type** & **Dataset** & **Method** & **Accuracy** & **Sensitivity** & **Specificity** \\ \hline \multirow{8}{*}{MESSIDOR} & \multirow{2}{*}{IDR1D} & [PERSON] et al. [40] & 0.997 & 0.806 & 0.997 \\ \cline{3-5}  & & [PERSON] et al. [44] & **1** & **1** & **1** \\ \cline{3-5}  & & [PERSON] et al. [42] & 0.958 & 0.987 & 0.915 \\ \cline{3-5}  & & [PERSON] et al. [21] & **0.97** & 0.95 & 0.99 \\ \cline{3-5}  & &
\begin{tabular}{l} [PERSON] et al. [23] \\ \end{tabular} & - & **0.96** & **0.99** \\ \cline{3-5}  & & [PERSON] et al. [26] & **0.99** & 0.92 & - \\ \cline{3-5}  & & [PERSON] et al. [24] & 0.984 & - & - \\ \hline \multirow{8}{*}{DIARET DB1} & \multirow{8}{*}{DIARET DB1} & [PERSON] et al. [44] & 0.987 & 0.97 & 0.962 \\ \cline{3-5}  & & [PERSON] et al. [26] & 0.98 & 0.95 & - \\ \cline{3-5}  & & [PERSON] et al. [26] & 0.979 & 0.96 & 0.96 \\ \cline{3-5}  & & [PERSON] [17] & - & **0.992** & 0.979 \\ \cline{3-5}  & & [PERSON] et al. [23] & - & 0.98 & 0.94 \\ \cline{3-5}  & & [PERSON] et al. [26] & 0.98 & 0.95 & **0.99** \\ \cline{3-5}  & & [PERSON] et al. [42] & 0.949 & 0.979 & 0.905 \\ \cline{3-5}  & & [PERSON] et al. [24] & **0.989** & - & - \\ \hline \multirow{8}{*}{E-Optha} & \multirow{8}{*}{E-Optha} & [PERSON] and [PERSON] [53] & **0.974** & **0.966** & **0.978** \\ \cline{3-5}  & & [PERSON] and [PERSON] [54] & **0.974** & **0.966** & **0.978** \\ \cline{3-5}  & & [PERSON] and [PERSON] [54] & **0.974** & **0.966** & **0.978** \\ \cline{3-5}  & & [PERSON] et al. [39] & **0.984** & 0.846 & **0.988** \\ \cline{3-5}  & & [PERSON] et al. [18] & - & 0.899 & - \\ \cline{3-5}  & & [PERSON] and [PERSON] [53] & 0.975 & 0.965 & 0.985 \\ \cline{3-5}  & & [PERSON] and [PERSON] [54] & 0.975 & 0.965 & 0.985 \\ \cline{3-5}  & & [PERSON] et al. [22] & 0.976 & **0.983** & 0.912 \\ \cline{3-5}  & & [PERSON] et al. [21] & **0.973** & **0.95** & **0.99** \\ \hline \multirow{8}{*}{E-Optha} & \multirow{8}{*}{E-Optha} & [PERSON] et al. [39] & **0.992** & 0.672 & **0.998** \\ \cline{3-5}  & & [PERSON] and [PERSON] [53] & 0.949 & **0.935** & 0.958 \\ \cline{3-5}  & & [PERSON] and [PERSON] [54] & 0.949 & **0.935** & 0.958 \\ \cline{3-5}  & & [PERSON] et al. [31] & 0.96 & 0.9 & 0.85 \\ \cline{3-5}  & & [PERSON] et al. [27] & - & 0.740 & - \\ \cline{3-5}  & & [PERSON] and [PERSON] [53] & **0.954** & **0.936** & **0.965** \\ \cline{3-5}  & & [PERSON] and [PERSON] [54] & **0.954** & **0.936** & **0.965** \\ \cline{3-5}  & & [PERSON] et al. [44] & 0.98 & **0.96** & 0.98 \\ \cline{3-5}  & & [PERSON] et al. [30] & **0.997** & 0.859 & **0.998** \\ \cline{3-5}  & & [PERSON] et al. [49] & - & 0.88 & - \\ \cline{3-5}  & & [PERSON] et al. [31] & 0.91 & 0.94 & 0.88 \\ \hline \multirow{8}{*}{DIARET DB0} & \multirow{8}{*}{DIARET DB1} & [PERSON] et al. [59] & 0.955 & - & - \\ \cline{3-5}  & & [PERSON] et al. [58] & **0.971** & **0.91** & **0.98** \\ \cline{3-5}  & & [PERSON] et al. [59] & 0.964 & - & - \\ \cline{3-5}  & & [PERSON] et al. [42] & 0.943 & **0.972** & 0.896 \\ \cline{3-5}  & & [PERSON] et al. [58] & **0.972** & 0.942 & 0.975 \\ \cline{3-5}  & & [PERSON] et al. [59] & **0.994** & - & - \\ \cline{3-5}  & & [PERSON] et al. [42] & 0.96 & **0.987** & **0.917** \\ \hline \hline \end{tabular}
\end{table} 
Table 6: Performance comparison of deep-learning based diabetic retinopathy lesion-detection. The **bold** and **underlined** fonts correspondingly show the **first** and **second** place.