Automatic non-proliferative diabetic retinopathy screening system based on color fundus image

Table 8 Classification of Hospital database by ophthalmologists

Severity	Kinds of early lesions	Number of images
Mild	MAs	65
Moderate	MAs, hemorrhages and hard exudates	155
Severe	MAs, hemorrhages and hard exudates	194

The numbers of early lesions in the severe fundus images are larger than those with moderate severity

ISSN: 1475-925X