BT Laboratory researcher has his eye iris scanned

BT Laboratory researcher has his eye iris scanned

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This image is part of the feature Iriscan

Credit: JAMES KING-HOLMES/SCIENCE PHOTO LIBRARY

Caption: Iris scanning. Researcher Chris Seale uses Iriscan technology to scan the iris of his eye as part of a computer recognition system test. He is at BT Laboratories in Martlesham Heath, England. Each person's iris is as unique as their fingerprint but more detailed. A camera scans the iris in a few seconds (background) to create a video image on screen. A computer divides the iris into 8 concentric circles to recognise iris features even when they are compressed when the pupil dilates. The iris is compared against a database of irises in under 3 seconds, forming a powerful identifica- tion system. IriScan was developed by Dr John Daugman of Cambridge University, Britain.

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Keywords: anatomy, biometric, biometrics, biometry, bt laboratory, chris, computer recognition, eye, eyes, facial, human body, id, identity, individual, iris, iris scanning, iriscan system, map, mapping, recognition, scanning, seale

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