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. 23, 2019

Filed:

Apr. 19, 2017
Applicant:

Industrial Technology Research Institute, Hsinchu, TW;

Inventors:

Chih-Chung Kao, Pingtung County, TW;

Hao-Ping Kang, Taipei, TW;

Jia-Hua Wu, Tainan, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); G06K 9/46 (2006.01); G06K 9/62 (2006.01); G06N 3/04 (2006.01); G06T 7/11 (2017.01);
U.S. Cl.
CPC ...
G06T 7/11 (2017.01); G06K 9/00624 (2013.01); G06K 9/4604 (2013.01); G06K 9/4628 (2013.01); G06K 9/6271 (2013.01); G06N 3/0454 (2013.01); G06K 2209/01 (2013.01); G06T 2207/10016 (2013.01); G06T 2207/20021 (2013.01); G06T 2207/20084 (2013.01);
Abstract

A character recognition method is provided, including the steps of: recognizing a character string, which includes one or more characters, in a region of interest (ROI) using a first convolutional neural network (CNN) model to generate a recognized character string; and comparing the recognized character string with a plurality of character strings in a character database to find a character string corresponding to the recognized character string, wherein each of the character strings includes one or more characters; wherein if the character string corresponding to the recognized character string is found, the recognized character string is used as a character recognition result, otherwise, using a second CNN model to correct the recognized string and generate a new recognized character string as the character recognition result.


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