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:
Jul. 11, 2017

Filed:

Jul. 30, 2014
Applicant:

Xerox Corporation, Norwalk, CT (US);

Inventors:

Orhan Bulan, Henrietta, NY (US);

Aaron M. Burry, Ontario, NY (US);

Abu S. Islam, Rochester, NY (US);

Peter Paul, Penfield, NY (US);

David Martin Todd Jackson, Arlington, VA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); G06Q 40/08 (2012.01); G06K 9/32 (2006.01); G06K 9/46 (2006.01);
U.S. Cl.
CPC ...
G06Q 40/08 (2013.01); G06K 9/3258 (2013.01); G06K 9/4661 (2013.01);
Abstract

A video sequence can be continuously acquired at a predetermined frame rate and resolution by an image capturing unit installed at a location. A video frame can be extracted from the video sequence when a vehicle is detected at an optimal position for license plate recognition by detecting a blob corresponding to the vehicle and a virtual line on an image plane. The video frame can be pruned to eliminate a false positive and multiple frames with respect to a similar vehicle before transmitting the frame via a network. A license plate detection/localization can be performed on the extracted video frame to identify a sub-region with respect to the video frame that are most likely to contain a license plate. A license plate recognition operation can be performed and an overall confidence assigned to the license plate recognition result.


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