Biometrics are known as the science and technology of measuring and analyzing biological data. Biometric systems are used in two different modes such as verification (authentication) and identification. Human physiological and behavioral characteristic can be used as a biometric characteristic as long as it satisfies the following requirements:
i. Uniqueness: No two persons should have the same characteristic, and each relevant person should only have one original characteristic.
ii. Universality: This characteristic must exist in all individuals in the population being measured.
iii. Permanence: This characteristic should be time-invariant and must be a permanent part of the individual.
iv. Authentication: The characteristic must be able to match against similar characteristics and a positive or negative match must be able to made based on the measurement.
v. Collectability: The characteristic can be measured. However, in a practical biometric system i.e., a system that employs biometrics for personal recognition. In this research, a biometric authentication system using brain signature is developed and validated using experimental identification. The term biometrics is derived from the Greek word bio (life) and metric (to measure) automated biometric system have only become available over the last few decades, due to significant advances in the field of computer processing, many of these new automated techniques, however, are based on ideas that were originally conceived hundreds, even thousand of year ago.
