Retinal RGB image and its channels visual inspection. Khan BahadarKhan Amir A Khaliq Muhammad Shahid 10.1371/journal.pone.0158996.g002 https://plos.figshare.com/articles/figure/Retinal_RGB_image_and_its_channels_visual_inspection_/3890622 <p>(a) RGB input image. (b) Red channel. (c) Green channel. (d) Blue channel.</p> 2016-07-21 14:08:35 Contrast Limited Adaptive Histogram Equalization Otsu Thresholding Diabetic Retinopathy technique pixel approach region image non-vessel Otsu thresholding blood vessels DR hessian CLAHE Digital Retinal Images ground truth data STARE Retinal Blood Vessels Segmentation