At a time when everyone is worried about airline safety, the work of a little-known Cambridge University scientist could ease the public's fear. John Daugman's mathematical algorithms turn the human eye into a fingerprint. His process uses a camera to photograph the iris--the colored part of the eye--and creates a digital code based on its unique pattern. Daugman's system is extremely accurate; using 255 data points--vs. 70 for a fingerprint--it hasn't made a false match in six years of use. Indeed, iris scanners today are enhancing security at airports from Frankfurt, Germany, to Charlotte, N.C. And the British Home Office has...
The Iris Scanner: Your Eyes Can Tell No Lies
THE IRIS SCANNER
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