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.
Patent No.:
Date of Patent:
Jul. 23, 2013
Filed:
Apr. 27, 2011
Thomas J. Widzinski, Rochester, NY (US);
Thomas D. Pawlik, Rochester, NY (US);
Erwin L. Allmann, Penfield, NY (US);
Gary M. Spinelli, Hilton, NY (US);
Myra T. Olm, Webster, NY (US);
Thomas J. Widzinski, Rochester, NY (US);
Thomas D. Pawlik, Rochester, NY (US);
Erwin L. Allmann, Penfield, NY (US);
Gary M. Spinelli, Hilton, NY (US);
Myra T. Olm, Webster, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
A method of eliminating background noise from a system for authenticating security markers includes capturing an image of a background of the security marker; illuminating the security marker; capturing a plurality of images of the optical response of the security marker; averaging the plurality of optical response images; smoothing the background image; and subtracting the smoothed background image from the average of the plurality of optical response images.