Biometric Recognition Essay

2111 WordsSep 2, 20139 Pages
Biometric Recognition Report Technology is constantly changing, security is forever growing and biometric technology is no different. Using an individuals own unique biological features as identification or verification is becoming more widespread, with fingerprint, facial and iris recognition the more common methods. There is a great demand for accurate, safe and secure identification systems. Generally, there are two types of biometrics: • Physiological Characteristics; which do not alter in developed individuals, such unchanging features includes, fingerprints and iris patterns. • Behavioural Characteristics; refers to those traits which are more habitual, such as voice and walk. In this report I will be concentrating on the physiological characteristics. Biometrics provides data rich distinctive pattern in adults which are very reliable methods of obtaining data, but none can eliminate errors. Facial recognition works by enrolment, where a camera captures and extracts the dimensions between predetermined common facial features, which creates a template and is stored in a database. It is then used to authenticate individuals upon future visits. Depending on if the individual is successfully verified, access is either granted or denied. The facial measurements are typically taken from significant points of the face, mainly the outer edges of the eyes, mouth and the tip of the nose. Iris recognition is a much faster process. Enrolment consists of a camera taking a picture of the eye at close range; both invisible and infrared light is shone on the eye to enable a detailed image. The pattern of the iris is examined, noting both the area and borders around the iris. Once enrolment is complete, this data is stored. To authenticate, the same eye is photographed again and compared against all other entries in the database. If matched

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