Automatic CDR Estimation for Early Glaucoma Diagnosis

Figure 2

The OD presents a general appearance making it suitable for its automatic detection. However, there is a high variability among population: (a) clear colour change and red hue, well-defined border; (b) subtle colour change and red hue, diffuse border; (c) subtle colour change and pale yellow fuzzy border; and (d) bright yellow diffuse border presence of peripapillary atrophy.

(a)

(b)

(c)

(d)