Worn and ravaged hands have for a long time been a stumbling block for fingerprint-access control readers. This is a particular issue in the construction industry. NPL has recently verified new computer technology developed by the University of Warwick that can identify partial, smudged or 'warped' fingerprints in seconds. The new system came out top for accuracy when tested by NPL and is already in use at six major building sites.

NPL has world-class expertise in developing and improving methodologies for evaluating the performance of biometric systems, conducting evaluations, and technical consultancy on biometric system performance for Government and industry.

The technology developed by the University of Warwick and verified by NPL is able to identify distorted, scratched, partial, smudged, or ortherwise warped fingerprints in just a few seconds. The technology is now being rapidly taken up by the UK building trade who are delighted to have fingerprint technology which can cope with often worn and ravaged builder's thumbprints.

This technology has been taken forward by University of Warwick spin-out company, Warwick Warp, who have recently deployed it for security and staff management on six building sites.

This biometrics system works reliably with poor quality fingerprints, the type routinely seen in the construction industry - it is fast, accurate and eliminates the 'buddy punching' problems of older card based access systems.

Warwick Warp's fingerprint technology gave the best overall accuracy in NPL's benchmark tests, and a test of 36 fingerprint technologies by the National Institute of Standards and Technology (NIST) in the US ranked it third overall.

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