Automatic Retinal Vessel Segmentation Based on an Improved U-Net Approach

Table 3

AVG and STD of the evaluation index of the DRIVE, STARE, and HRF fundus database.

Database	ACC		TPR		TNR
	AVG	STD	AVG	ATD	AVG	STD
DRIVE	0.9701	0.0287	0.8011	0.3817	0.9849	0.0194
STARE	0.9683	0.0315	0.6329	0.3987	0.9967	0.0208
HRF	0.9698	0.0231	0.7478	0.3029	0.9895	0.0115