Key notes and highlights of Biometrics

ADVANTAGES / DISADVANTAGES OF BIOMETRIC SYSTEMS Here are some of the advantages and disadvantages of fully developed biometric systems that are fairly accurate: Retinal scans (electronic scan of the innermost layer of the eyeball's wall): Advantages: ;Retina generally remains stable through life, ensuring accuracy. - Disadvantages: Requires close physical contact MW scanning device; may not be generally accepted by public. Iris recognition (recording of iris using standard video technology): Advantages: Non-invasive procedure (close physical contact not …

…people can alter their appearance and facial hair can fool device. Voice verification or recognition (acoustic signal of voice converted into digital code): Advantages: Works well over the telephone. Disadvantages: Requires large amount of computer storage; people's voices can change; background noises can interfere. Signature recognition (computer record of pen/stylus speed, pressure, direction and other characteristics of signature): Advantages: People are used to providing a signature. Disadvantages: Poor long-term reliability; accuracy difficult to ensure.