Importance of biometric techniques


In the process of globalization, world populace is exposed to online fraud and threat from terrorist activities. These harmful practices prompt government and business communities of nations to explore intelligent identity solutions. In any financial company or government organization, control access to financial transactions, computer networks is authorized by recognizing password, pin or other smart devices. Proper use of public key cryptography helps to secure exchange and authentication over insecure network. There is an ardent need of simple and secure procedure to verify the identity of authorized person.

In general, biometrics systems are based on the features that cannot be lost or forgotten. It is beneficial for users as well as system administrators. Biometric techniques help in strengthening identity system with the addition of physical or behavioural characteristics to the identity information. This technology is used to identify the person through combining physiological and behavioural features of person with information that elaborates the subject’s identity. Biometric technologies include face, voice, finger prints, hand and iris recognition, and DNA. These are the pillar of strong identity recognition system.

Biometric identification and verification generate digital data. It creates a machine readable trace every time identification is performed. Interoperability performs a vital role in for the process of biometrics. Face recognition technique is an automated or semi-automated process of matching facial images. This image is captured using scanner and then analysed in order to obtain biometric signature. Facial recognition include numerous technologies like 2D, 3D, infer red facial scan. 



Fingerprint consists of a features and details of a fingertips. These features include arch, loop and whorl. A fingerprint is the pattern of ridges and furrows on the surface of a fingertip. No two persons have precisely the same arrangement of patterns. This technology is extensively accepted by security agencies. Demerit of fingerprint biometrics are that it can be altered with time.

Iris recognition is externally visible, coloured ring around the pupil. It is a physical feature of a human being that can be measured and thus used for biometric identification and verification. Iris scan is high quality of photograph of iris taken under near infra-red illumination.



Another biometrics ID is voice which offers an ability to provide positive verification of identity from an individual’s voice characteristics.  The pattern matching task of speaker verification involves computing a match score. Speaker models are developed from the features extracted from the speech signal. To authenticate the user, the machine algorithm compares/scores the incoming speech signal with the database model of the claimed user.

Biometrics systems have immense advantages for companies. Though the biometrics, companies can lessen the frauds related to buddy punching and ID. Biometric systems are also beneficial for issues related to forgotten passwords, lost IDs by employing physiological attributes. Companies can easily cut down password administration expenses and can replace difficult passwords too. Biometrics technology also offers increased ROI and cost savings in various areas including time and attendance and loss prevention.


In final words, biometrics are effectual techniques to verify authentic person in financial or business establishment. It is basically a measurement of biological data. Biometric authentication involves to compare a registered or enrolled biometric sample against a newly captured biometric sample.

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