An Approach to Evaluate Blurriness in Retinal Images with Vitreous Opacity for Cataract Diagnosis

Table 4

Confusion matrix of grading.

Graders’ grades	Automated grades
	0	1	2	3	4
0	399	34	0	0	0
1	64	314	37	0	0
2	0	33	146	38	0
3	0	0	13	93	27
4	0	0	0	9	148