Magazine article Security Management

Keep Your Fingers to Yourself

Magazine article Security Management

Keep Your Fingers to Yourself

Article excerpt

Your fingers can do more to protect your identification than covering your back pocket or clutching your purse. A new access control system relies on finger measurements to prove identity. "You are very unlikely to have a hand with finger shapes that are the same as someone else's," says Charles Colbert, a medical physicist and president of Personnel Identification and Entry Access Control (PIDEAC) Inc., developers of the hand measurement system.

Three measurements--length, width, and shape--are taken of the fingers of each hand. That information is written in digital form onto a smart card. The user inserts the card into the machine and places his or her hand on a lighted panel. A scanning camera above the panel scans the hands from the knuckles up, measuring only a sliver at a time.

The machine then tabulates 12 scores, three measurements of four fingers, and averages them into one overall score. A perfect score is 100.00, however, due to slight changes in the hands or other factors, the user's score may be lower.

To account for this, the machine is set with a threshold score. …

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