To a combined fingerprint acquisition and control device

Details To a combined fingerprint acquisition and control device To a combined fingerprint acquisition and control device

2005-09-06

2005-09-06

Bali, Vikkram (Department: 2623)

Image analysis

Applications

Personnel identification

C382S115000

Reexamination Certificate

active

06941001

ABSTRACT:
The present invention combines the functionality of a computer pointing device with a fingerprint authentication system, In the preferred embodiment, by regularly scanning fingerprints acquired from the pointing device touch pad, fingerprint features may be extracted and compared to stored data on authorized users for passive authentication. Furthermore, calculations based upon the acquired fingerprint images and associated features allows the system to determine six degrees of freedom of the finger, allowing the user to control a variety of functions or to manipulate a three-dimensional model or virtual reality system.

REFERENCES:
patent: 5717777 (1998-02-01), Wong et al.
patent: 5999637 (1999-12-01), Toyoda et al.
patent: 6185318 (2001-02-01), Jain et al.
patent: 6400836 (2002-06-01), Senior
patent: 04158434 (1992-06-01), None
Adaptive flow orientation based feature extraction in fingerprint images, by Ratha et al, Pattern Recognition, vol. 28 No. 11, 1657-1672, Nov. 1995.
A real time matching system for large fingerprint databases, by Ratha et al, IEEE, Aug. 1996.

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