Method, device and apparatus for differentiating arteries and veins of retinal vessels

A device for differentiating arteries and veins of retinal vessels, comprising:

• a data acquisition module, configured to acquire a vessel extraction image, a fundus image, and an optic disc center coordinate;
• a vessel screening module, configured to extract a main vessel according to the vessel extraction image, the fundus image, and the optic disc center coordinate to obtain a main vessel image, and intercept the main vessel based on the main vessel image to obtain a plurality of single vessel segments;
• and
• an artery-vein vessel pair selecting module, configured to measure diameters of the plurality of single vessel segments to obtain diameter sizes of the plurality of single vessel segments, and obtain a plurality of artery-vein vessel pairs according to the diameter sizes.

An apparatus for differentiating arteries and veins of retinal vessels, comprising:

• a processor;
• and
• a memory for storing instructions executable by the processor;
• wherein the processor is configured to achieve a method when executing the executable instructions, comprising:
• acquiring a vessel extraction image, a fundus image, and an optic disc center coordinate;
• extracting a main vessel according to the vessel extraction image, the fundus image, and the optic disc center coordinate to obtain a main vessel image, and intercepting the main vessel based on the main vessel image to obtain a plurality of single vessel segments;
• measuring diameters of the plurality of single vessel segments to obtain diameter sizes of the plurality of single vessel segments, and obtaining a plurality of artery-vein vessel pairs according to the diameter sizes;
• eliminating unqualified artery-vein vessel pairs from the plurality of artery-vein vessel pairs, and reserving qualified artery-vein vessel pairs;
• wherein the eliminating unqualified artery-vein vessel pairs comprises:
• acquiring an average image brightness of single vessel segments in each artery-vein vessel pair, and eliminating the unqualified artery-vein vessel pairs from the artery-vein vessel pairs according to the average image brightness for each artery-vein vessel pair.