Iris Identification Characteristics
Abstract—Iris recognition is a method of biometric identifi- cation. Biometric identification provides automatic recognition of an individual based on the unique feature of physiological characteristics or behavioral characteristic. Iris recognition is a method of recognizing a person by analyzing the iris pattern. This survey paper covers the different iris recognition techniques and methods.
I. KEYWORDS-
Biometric Identification, Behavioral Characteristics, Feature Extraction, Iris Recognition, Image Acquisition, Iris Segmen- tation, Iris Pattern, Normalization, Physiological Characteris- tics.
II. INTRODUCTION
In todays world security is becoming more and more important. Authentication plays a major role in security. Au- thentication is the process of verifying the claimed identity of a person. Authentication is a means of defense against intruders. There are of various types like authentication using username with password, using card and using biometric. Most commonly, username with password is used for authentication but Password is easily carked or stolen because of human tendency to make password easy to remember and also note down the password so that there is no need to remember. Cards can be stolen and accessing by anyone. Therefore there is no way of knowing that the claimed person is
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1. Framework for Iris Recognition
The iris feature recording is referred as an enrolment process. The authentication system attempts to confirm an individuals claim identity by comparing a submitted sample to previously enrolled templates is referred as an identifica- tion process. A conceptual framework for iris recognition is illustrated in Figure 1.
The challenge in iris recognition is that there are plenty of features in iris regions of human eye image. Because iris is a small and black object, iris image capturing is not an easy work. Iris must be captured at a short distance about 4cm- 13cm and under a good illumination environment.
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