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:
Aug. 27, 2019
Filed:
Aug. 24, 2018
Applicant:
National Chiao Tung University, Hsinchu, TW;
Inventors:
Assignee:
NATIONAL CHIAO TUNG UNIVERSITY, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/52 (2006.01); G06T 7/80 (2017.01); G08C 17/02 (2006.01); H04N 5/232 (2006.01);
U.S. Cl.
CPC ...
G06T 7/80 (2017.01); G06K 9/52 (2013.01); H04N 5/23222 (2013.01); G06T 2207/30244 (2013.01); G08C 17/02 (2013.01);
Abstract
A camera principal point automatic calibration system including an image acquiring device, a controller, a first display and a second display is provided, wherein the controller controls the first and second display to display parallel first line and second line. The controller selectively rotates the first and second line according to whether a first and second image line generated by the image acquiring device corresponding to the first and second line are parallel or not, and the controller calculates the principal point from parallel first image line and second image line.