Retina Identification Based on the Pattern of Blood Vessels Using Angular and Radial Partitioning

  • Mehran Deljavan Amiri
  • Fardin Akhlaqian Tab
  • Wafa Barkhoda
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5807)


This paper presents a new human identification system based on features obtained from retina images using angular and radial partitioning of the images. The proposed algorithm is composed of two principal stages including feature extraction and decision making. In the feature extraction stage, first all of the images are normalized in a preprocessing step. Then, the blood vessels’ pattern is extracted from retina images and a morphological thinning process is applied on the extracted pattern. After thinning, two feature vectors based on the angular and radial partitioning of the pattern image are extracted from the blood vessels’ pattern. The extracted features are rotation and scale invariant and robust against translation. In the next stage, the extracted feature vectors are analyzed using 1D discrete Fourier transform and the Manhattan metric is used to measure the closeness of the feature vectors to have a compression on them. Experimental results on a database, including 360 retina images obtained from 40 subjects, demonstrated an average true identification accuracy rate equal to 98.75 percent for the proposed system.


Feature Vector Discrete Fourier Transform Image Retrieval Retina Image Manhattan Distance 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Mehran Deljavan Amiri
    • 1
  • Fardin Akhlaqian Tab
    • 1
  • Wafa Barkhoda
    • 1
  1. 1.Department of Electrical and Computer EngineeringUniversity of KurdistanSanandajIran

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