Biometrics Glossary - N

Welcome to the Biometrics Glossary - N - for terms beginning with N

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Neural Net/Neural Network
A type of algorithm that learns from past experience to make decisions. See also algorithm.

NIST - National Institute of Standards and Technology
A non-regulatory federal agency within the U.S. Department of Commerce that develops and promotes measurement, standards, and technology to enhance productivity, facilitate trade, and improve the quality of life. NIST’s measurement and standards work promotes the well-being of the nation and helps improve, among many others things, the nation’s homeland security. For more information visit www.nist.gov. See also ANSI, INCITS, ISO.

Noise
Unwanted components in a signal that degrade the quality of data or interfere with the desired signals processed by a system.
Non-cooperative User An individual who is not aware that his/her biometric sample is being collected. Example: A traveler passing through a security line at an airport is unaware that a camera is capturing his/her face image. See also cooperative user, indifferent user, uncooperative user.