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.:

US 8111926 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 07, 2012

Filed:

Oct. 06, 2009
Applicants:

Wu-jie Liao, Changhua County, TW;

Ting-yuan Cheng, Taipei County, TW;

Pai-yu Tien, Taipei, TW;

Hui-jan Chien, Taipei, TW;

Tsai-hsing Chen, Taipei, TW;

Inventors:

Wu-Jie Liao, Changhua County, TW;

Ting-Yuan Cheng, Taipei County, TW;

Pai-Yu Tien, Taipei, TW;

Hui-Jan Chien, Taipei, TW;

Tsai-Hsing Chen, Taipei, TW;

Assignee:

Primax Electronics Ltd., Neihu, Taipei, TW;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/48 (2006.01); G06K 9/34 (2006.01); H04N 1/40 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image processing method for deriving text characteristic images from an input image includes: performing a plurality of edge detecting processes upon the input image to generate a plurality of edge images, respectively, and deriving a first text characteristic image according to the edge images. The image detecting processes include: performing a first edge detecting process upon the input image to derive a first edge image according to a first upper threshold and a first lower threshold, and performing a second edge detecting process upon the input image to derive a second edge image according to a second upper threshold and a second lower threshold.


Find Patent Forward Citations

Liao, Wu-Jie. (2012). Image processing method for deriving text characteristic image from input image and related apparatus (U.S. Patent No. 8111926). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8111926

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