| Publisher | RAND | ||
|---|---|---|---|
| Format | 818.2KB PDF, requires Acrobat Rdr 5 | Date added | 04 Feb 2003 |
| Topics | Physical Infrastructure Protection, Data Sharing and Integration | ||
| Downloads | 93 | ||
Biometrics is used for human recognition which consists of identification and verification. The terms differ significantly. With identification, the biometric system asks and attempts to answer the question, "Who is X?" In an identification application, the biometric device reads a sample and compares that sample against every record or template in the database. This type of comparison is called a "one-to-many" search (1:N). Depending on how the system is designed, it can make a "best" match, or it can score possible matches, ranking them in order of likelihood. Identification applications are common when the goal is to identify criminals, terrorists, or other "wolves in sheep's clothing," particularly through surveillance.
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