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.:
Date of Patent:
Apr. 30, 2019
Filed:
Jan. 31, 2017
Applicant:
Oracle International Corporation, Redwood Shores, CA (US);
Inventors:
Erhan Erdemir, Redwood Shores, CA (US);
Kenneth Peterka, Redwood Shores, CA (US);
Assignee:
ORACLE INTERNATIONAL CORPORATION, Redwood Shores, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/14 (2006.01); G06T 7/13 (2017.01); G06T 7/12 (2017.01);
U.S. Cl.
CPC ...
G06T 7/13 (2017.01); G06T 7/12 (2017.01); G06T 2207/10004 (2013.01); G06T 2207/20032 (2013.01); G06T 2207/20061 (2013.01); G06T 2207/30176 (2013.01);
Abstract
A computer-implemented method can include receiving an input image of a physical document, performing down-sampling on the input image, applying median filtering to the input image, applying Canny edge detection to the input image, performing a Hough transform on the input image, computing a quadrilateral having sides that represent borders of the physical document, and providing the computed quadrilateral as an output.