Research Article
Automatic Segmentation of Optic Disc and Cup in Retinal Fundus Images Using Improved Two-Layer Level Set Method
Figure 1
The area surrounded by the black curve is the optic cup area; the optic disc area is indicated by the red curve; and the neuroretinal rim is the area between them. denotes the vertical optic disc diameter, and denotes the vertical optic cup diameter. (a) Normal case. (b) Glaucoma case.
(a) |
(b) |