Multichannel Retinal Blood Vessel Segmentation Based on the Combination of Matched Filter and U-Net Network

Table 2

Segmentation results of improvements on DRIVE.

Channel	Se	Sp	ACC	AUC
Channel 1	0.8174	0.9768	0.9626	0.8971
Channel 2	0.8008	0.9741	0.9587	0.8875
Channel 3	0.8113	0.9748	0.9633	0.8931
3 channels of fusion	0.8745	0.9624	0.9546	0.9185