Diabetic Retinopathy Grading by Digital Curvelet Transform

Table 2

Average of extracted features in different stages.

	No DR	Mild/Moderate; NPD	Severe NPDR/PDR
No. data	30	25	15
Area of EXs	15	450	2987
No. of MAs in FAZ	0	13.8	15.04
Total no. of MAs	0.94	110	73.76
Area of vessels	52567.14	45654	29521
Area of FAZ	3498.25	5773	13624
Variance	12.93	27.07	110.84