High Confidence Visual Recognition of Persons by a Test of Statistical Independence
IEEE Transactions on Pattern Analysis and Machine Intelligence
ICPR '04 Proceedings of the Pattern Recognition, 17th International Conference on (ICPR'04) Volume 2 - Volume 02
An Iris Image Synthesis Method Based on PCA and Super-Resolution
ICPR '04 Proceedings of the Pattern Recognition, 17th International Conference on (ICPR'04) Volume 4 - Volume 04
IEEE Transactions on Pattern Analysis and Machine Intelligence
Image understanding for iris biometrics: A survey
Computer Vision and Image Understanding
An Effective Approach for Iris Recognition Using Phase-Based Image Matching
IEEE Transactions on Pattern Analysis and Machine Intelligence
An iterative image registration technique with an application to stereo vision
IJCAI'81 Proceedings of the 7th international joint conference on Artificial intelligence - Volume 2
Ordinal Measures for Iris Recognition
IEEE Transactions on Pattern Analysis and Machine Intelligence
A New Distance Measure for Face Recognition System
ICIG '09 Proceedings of the 2009 Fifth International Conference on Image and Graphics
Iris recognition based on elastic graph matching and Gabor wavelets
Computer Vision and Image Understanding
Finger knuckleprint based recognition system using feature tracking
CCBR'11 Proceedings of the 6th Chinese conference on Biometric recognition
Iris recognition using shape-guided approach and game theory
Pattern Analysis & Applications
Efficient iris recognition by characterizing key local variations
IEEE Transactions on Image Processing
Iris classification based on its quality
ICIC'13 Proceedings of the 9th international conference on Intelligent Computing Theories
A heuristic technique for performance improvement of fingerprint based integrated biometric system
ICIC'13 Proceedings of the 9th international conference on Intelligent Computing Theories
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This paper proposes an efficient iris based authentication system. Iris segmentation is done using an improved circular hough transform and robust integro-differential operator to detect inner and outer iris boundary respectively. The segmented iris is normalized to polar coordinates and preprocessed using LGBP (Local Gradient Binary Pattern). The corners features are extracted and matched using dissimilarity measure CIOF (Corners having Inconsistent Optical Flow). The proposed approach has been tested on publicly available CASIA 4.0 Interval and Lamp databases consisting of 2,639 and 16,212 images respectively. It has been observed that the segmentation accuracy of more than 99.6% can be achieved on both databases. This paper also provides error classification for wrong segmentation and also determines influential parameters for errors. The proposed system has performed with CRR of 99.75% and 99.87% with an EER of 0.108% and 1.29% on Interval and Lamp databases respectively.