Ajaykumar G P, Kaushikaa Siddharthaan, Gokul Subramaniam3, Mohamed Ameen4 Dr.L.Latha5. Early-stage diabetic retinopathy severity detection using Generative Adversarial Network. International Journal of Advanced Science and Technology, v. 29, n. 7, p. 8119-8127, 1 Jun. 2020.