Improvement of iris recognition technology for biometric identification of a person
Keywords:pattern recognition, segmentation method, iris recognition technology, biometric personality authentication
This topic is very relevant in the field of artificial intelligence as a direction of pattern recognition. In this work, the iris of the eye is considered as an image.
Artificial intelligence makes this technology more accessible for use in CCTV cameras, smartphones and various areas of human activity.
The article reflects the results of a study of methods and technologies of pattern recognition on the example of the human iris.
The aim of the work was to study methods and technologies for human iris recognition and iris recognition of employees of a particular organization using EyeLock equipment by comparing segmentation results with Daugman standard segmentation.
Comparison analysis of segmentation results with standard segmentation can be done by directly measuring the number of correctly segmented irises in both methods, or by indirectly measuring the effect of segmentation on iris recognition performance. The method using the Daugman integral-differential operator has the greatest efficiency. The performance of the neural network has been improved. To use a neural network to classify iris profiles, we selected sets of images (images per person) as training images, and the rest of the images were used as test images. Training time (in seconds): for the Daugman method 170.7, and for the parabolic method 204.7.
The Daugman integro-differential operator is applied to the captured image to obtain the "maximum integral derivative of the contour" with ever-increasing radius on "successively decreasing scales" in three parameters: center coordinates and radius. Finding the maximum when the search coordinates deviate along an unwinding spiral.
Methods and techniques for pattern recognition have been investigated using the human iris
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Copyright (c) 2022 Aliya Kintonova, Igor Povkhan, Marzhan Mussaif, Galymzhan Gabdreshov
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