The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 06, 2011

Filed:

Feb. 25, 2008
Applicants:

Harry Wechsler, Fairfax, VA (US);

Hung Lai, Fairfax Station, VA (US);

Venkatesh Ramanathan, Vienna, VA (US);

Inventors:

Harry Wechsler, Fairfax, VA (US);

Hung Lai, Fairfax Station, VA (US);

Venkatesh Ramanathan, Vienna, VA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/64 (2006.01);
U.S. Cl.
CPC ...
Abstract

A recognition-by-parts authentication system for determining if a physical test target represented in test image(s) obtained using an imaging device matches a physical training target represented in training image(s). The system includes a multitude of adaptive and robust correlation filters. Each of the adaptive and robust correlation filters is configured to generate correlation-peak-strength and distance-from-origin data using a multitude of related images. Each of the multitude of related images representing a similar part of a larger image. The related images originate from the test image(s) and training image(s).


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