Finger sensing device with multiple correlators and...

Details Finger sensing device with multiple correlators and... Finger sensing device with multiple correlators and...

2007-06-19

2011-12-20

Rahmjoo, Mike (Department: 2624)

Image analysis

Applications

Personnel identification

C382S115000, C382S116000, C382S125000, C382S126000, C382S128000

Reexamination Certificate

active

08081805

ABSTRACT:
A finger sensing device may include a finger sensing area to receive a user's finger moved in a sliding motion, and a controller cooperating with the finger sensing area for generating successive image samples. Moreover, the controller may also generate the displacement estimate of the user's finger by at least performing a plurality of different image sample correlations between at least one pair of image samples, and cross-verifying results of the plurality of different image sample correlations.

REFERENCES:
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patent: 6134340 (2000-10-01), Hsu et al.
patent: 2001/0017934 (2001-08-01), Paloniemi et al.
patent: 2003/0126448 (2003-07-01), Russo
patent: 2005/0012714 (2005-01-01), Russo et al.
patent: 2005/0078855 (2005-04-01), Chandler et al.
patent: 2005/0089203 (2005-04-01), Setlak
patent: 2005/0152584 (2005-07-01), Svedin
patent: 2006/0088195 (2006-04-01), Tykowski et al.

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