An Active Learning Classifier for Further Reducing Diabetic Retinopathy Screening System Cost

Table 1

Essential detection of DR screening.

Detection target	Detail information
Microaneurysm	An extremely small aneurysm, it looks as tiny red dots in retinal image.
Exudates	Fat or lipid leak from aneurysms or blood vessels, it looks as small and bright spots with irregular shape.
Inhomogeneity	Regions of retina are different and unusual.
Macula	The macula is an oval-shaped pigmented area near the center of the retina of the human eye.
Optic disc	The optic disc is the point of exit for ganglion cell axons leaving the eye.