Fig. 7From: Comparison of smartphone-based retinal imaging systems for diabetic retinopathy detection using deep learninga Flow chart of original retina conversion images for AlexNet, b Flow chart of synthetic retina image generation for smartphone-based retinal imaging systems. Example of images, c Original image from EyePACS dataset and generated synthetic images for d iExaminer, e D-Eye, f Peek Retina, g iNviewBack to article page