Fig. 1From: Semi-automated quantification of hard exudates in colour fundus photographs diagnosed with diabetic retinopathySample colour fundus photograph diagnosed with diabetic retinopathy which depicts hard exudates alongside cotton wool spots. In this particular CF image, gray scale intensity distribution for HEs ranges from 85 to 200, for cotton wool spots from 80 to 130, for optic disc from 90 to 200 and for vessel reflections from 80 to 110Back to article page