Automatic Detection of Blood Vessels in Retinal Images for Diabetic Retinopathy Diagnosis

Figure 4

(a) Retinal image, (b) Green channel image, (c) threshold image, (d) inverted binary image with noise, (e) morphologically opened image without noise, (f) border cleared mask image, (g) binary morphological mask image, and (h) dilated binary morphological opened mask image.

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