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delta point

Fingerprint Diagram

)In biometrics and fingerprint scanning, the delta point is a pattern of a fingerprint that resembles the Greek letter delta. It's the point on a friction ridge at or nearest to the point of divergence of two type lines.

See "How Fingerprint Scanners Work" in the ""Did You Know..." section of Webopedia.
See also "How Biometrics Security Works" in the "Did You Know..." section of Webopedia.

* Image Source: "See How Fingerprint Scanners Work"

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