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:
Nov. 10, 2020

Filed:

Sep. 06, 2018
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Bin Gu, Shanghai, CN;

Xiao Chao Yan, Shanghai, CN;

Chongming Wang, Shanghai, CN;

Jian Bing Chen, Shanghai, CN;

Min Xu, Shanghai, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/62 (2006.01); G06K 9/38 (2006.01); G06K 9/34 (2006.01); H04N 1/40 (2006.01); G06K 9/46 (2006.01);
U.S. Cl.
CPC ...
G06K 9/6212 (2013.01); G06K 9/34 (2013.01); G06K 9/38 (2013.01); G06K 9/4647 (2013.01); H04N 1/40012 (2013.01); G06K 2209/01 (2013.01);
Abstract

Methods and systems for image binarization using mean restrain are disclosed. A method includes: obtaining, by a computing device, a grayscale image; generating, by the computing device, a histogram from the grayscale image; determining, by the computing device, a foreground mean value and a background mean value for each pixel value in the histogram; determining, by the computing device, a binarization threshold using the foreground mean values and the background mean values; and generating, by the computing device, a binarized image using the grayscale image and the binarization threshold.


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