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IR Imaging Is Key to Biometric ID

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Brent D. Johnson

Biometrics uses data processing to identify an individual by a unique biological characteristic; e.g., by a digitized fingerprint or iris pattern. It provides important tools for preventing or limiting such criminal activities as credit card fraud (identity theft), unauthorized cell phone usage, unsanctioned access to secure locations and falsification of immigration documents. Interest in biometrics has increased with the emphasis on security following the events of Sept. 11. Infrared mapping of a subject's fingertip provides thermal emissions data that can be compared with a control...Read full article

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