Iris Recognition An Emerging Biometric Technology

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Technology including its applications.

INTRODUCTION

Iris recognition is an automated method of biometric identification that uses mathematical pattern-recognition techniques on video images of the irides of an individual's eyes, whose complex random patterns are unique and can be seen from some distance. An Iris Recognition system works by capturing and storing the biometric information and then comparing the scanned biometric with what is stored in the repository. Once the image of the iris has been captured using a standard camera, the authentication process, involving comparing the current subject's iris with the stored version, is one of the most accurate with very low false acceptance and rejection rates. This makes the technology very useful in areas such as information security, physical access security, ATMs and airport security.

The technology is accurate, easy to use, non-intrusive, and difficult to forge. Iris recognition technology does provide a good ...

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needs to adjust the camera to get the iris in focus and needs to be within six to twelve inches of the camera.

This process is much more manually intensive and requires proper user training to be successful. The automatic procedure uses a set of cameras that locate the face and iris automatically thus making this process much more user friendly.

2. Defining the Location of the Iris and Optimizing the Image

2.1 Location of iris

Once the camera has located the eye, the iris recognition system then identifies the image that has the best focus and clarity of the iris. The image is then analyzed to identify the outer boundary of the iris where it meets the white sclera of the eye, ...

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