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

Table 2

Evaluation criteria.

Evaluation of grading	Definition
Two-class classification; (noncataract/cataract)	Noncataract: grade 0
	Cataract: grades 1–4
Surgery indicator	No surgery: grades 0-1
	Surgery class 1: grade 2
	Surgery class 2: grade 3
	Surgery class 3: grade 4
Four-grade grading [13, 36]	Noncataract: grade 0
	Mild cataract: grade 1
	Moderate cataract: grade 2
	Severe cataract: grades 3-4
Five-grade grading of; blurriness [10]	Grades 0, 1, 2, 3, and 4; (refer to Figure 1)