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:
Apr. 21, 2015

Filed:

Apr. 13, 2012
Applicants:

Tiancai Liang, Guangzhou, CN;

Zongbin Mu, Guangzhou, CN;

Dahai Xiao, Guangzhou, CN;

Tingting LI, Guangzhou, CN;

Inventors:

Tiancai Liang, Guangzhou, CN;

Zongbin Mu, Guangzhou, CN;

Dahai Xiao, Guangzhou, CN;

Tingting Li, Guangzhou, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); G07D 7/04 (2006.01); G07D 7/20 (2006.01); G07D 7/00 (2006.01); G07D 7/16 (2006.01);
U.S. Cl.
CPC ...
G06K 9/00469 (2013.01); G07D 7/04 (2013.01); G07D 7/205 (2013.01); G07D 7/00 (2013.01); G07D 7/164 (2013.01); G07D 7/20 (2013.01);
Abstract

A valuable document identification method and system are provided. The method comprises, detecting features in different space ranges of a valuable document, and obtaining multi-source information Ω={X, X, . . . , X}, wherein X∩X≠φ, or X∩X≠φ and X<=>X; labeling the space position of Xwith Xaccording to semantic constraints of Xand X, and obtaining position constraints Ψ(x, y); extracting a characteristic value ffrom X, and extracting a characteristic value ffrom Xaccording to the position constrains Ψ(x, y); determining whether f, fmeet the characteristic criteria of the valuable document, if yes, then receiving the valuable document, or else, rejecting the valuable document. The method enables improved reliability and robustness of the valuable document identification system.


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