Early Detection of Proliferative Diabetic Retinopathy in Neovascularization at the Disc by Observing Retinal Vascular Structure

  • Nilanjana Dutta RoyEmail author
  • Arindam Biswas
Conference paper
Part of the Lecture Notes in Computational Vision and Biomechanics book series (LNCVB, volume 30)


Proliferative Diabetic Retinopathy (PDR) is the advanced stage of Diabetic Retinopathy (DR) with high risk of severe visual impairment. Neovascularization is a common scenario at this stage where abnormal vessels proliferate. This paper describes a semi-automated method for early detection of PDR around few diameters of Optic Disc (OD) in retinal images. Center of OD detection from segmented images is essentially important here because the approach focuses on Neovascularization at the Disc (NVD). Around OD center on few pixel distance window boundary, the width of major vessels are measured and counted. Finally, the major vessels are identified by distinct colors. The sensitivity and specificity results on STARE dataset of 25 images are 0.86 and 0.87, respectively. The approach shows the average accuracy as 0.88.


Proliferative diabetic retinopathy Neovascularization Early detection Center of optic disc Width Major vessels 


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Computer Science and EngineeringInstitute of Engineering and ManagementKolkataIndia
  2. 2.Department of Information TechnologyIndian Institute of Engineering Science and TechnologyShibpur, HowrahIndia

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