Real-time iris segmentation based on image morphology

Authors:
Sambit Bakshi;Hunny Mehrotra;Banshidhar Majhi
Affiliations:
National Institute of Technology Rourkela, Rourkela, Odisha, India;National Institute of Technology, Rourkela, Odisha, India;King Khalid University, Saudi Arabia
Venue:
Proceedings of the 2011 International Conference on Communication, Computing & Security
Year:
2011

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Abstract

This paper introduces an efficient iris segmentation approach for unconstrained images. Proposed technique is robust to occlusion, specular reflection, variation in illumination and non-centered gaze. For pupil localisation, the input iris image is binarised using an adaptive threshold determined based on number of connected components. Further, pupil center and radius are obtained using spectrum image based approach. The proposed technique performs accurately (97%) with low computation (