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Tortuosity is one of the micro vascular change that is observed in many retinopathies. Its early detection can prevent the progression of various retinopathies to a critical stage at which a person may become blind. Here, we propose a novel method for the measurement of tortuosity by polynomial modeling of retinal vessels for the analysis of hypertensive retinopathy. The proposed method is tested...
The retinal blood vessels act as landmark for detecting some retinal diseases. The changes in the vessel characteristics such as tortuosity may be used to estimate the effect of hypertension. In this paper, a simple distance metric (DM) method is used to evaluate the tortuosity of blood vessels. Initially, the method is applied on synthetically generated blood vessels of normal, moderate and severely...
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