Biometrics involves using the different parts of the body, such as the fingerprint or the eye, as a password or form of identification. Currently, Federal Bureau of Investigation use the fingerprints from a crime scene to find a criminal. However, biometrics is becoming more public. Iris scans are used in United Kingdom at ATM's instead of the normal codes .
Practically all biometric system work in the same manner. First, a person is enrolled into a database using the specified method. Information about a certain characteristic of the human is captured. This information is usually placed through an algorithim that turns the information into a code that the database stores. When the person needs to be identified, the system will take the information about the person again, translates this new information with the algorithim, and then compares the new code with the ones in the database to discover a match and hence, identification..
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