Grid-based data input and authentication

Details Grid-based data input and authentication Grid-based data input and authentication

2004-04-01

2011-10-11

Mariam, Daniel (Department: 2624)

Image analysis

Applications

Personnel identification

Reexamination Certificate

active

08036433

ABSTRACT:
A system and method for authenticating user-input signatures or other data. A user draws a pattern on an input pad, using for example a pen, stylus, or finger. A grid, including a set of edges, is displayed on the input pad to help the user in drawing in the correct position on the pad. An input processor detects the edges crossed by the user in drawing the pattern. The sequence of edge crossings are converted into a symbolic sequence that can be output, authenticated, compared with previously stored symbolic sequences, or otherwise processed. Additional information, such as edge crossing timing, pen path, and the like, are optionally made available for further authentication.

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patent: 2002/0145592 (2002-10-01), Schauer
patent: 2004/0263487 (2004-12-01), Mayoraz et al.

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