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:
May. 31, 2022
Filed:
Jun. 15, 2018
Applicant:
Children's National Medical Center, Washington, DC (US);
Inventors:
Raj Shekhar, Washington, DC (US);
Xinyang Liu, Washington, DC (US);
Assignee:
CHILDREN'S NATIONAL MEDICAL CENTER, Washington, DC (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 1/00 (2006.01); A61B 1/05 (2006.01); A61B 5/06 (2006.01);
U.S. Cl.
CPC ...
A61B 1/00057 (2013.01); A61B 1/00179 (2013.01); A61B 1/05 (2013.01); A61B 5/065 (2013.01);
Abstract
The present disclosure relates to an apparatus and method for correcting rotational error during use of an oblique-viewing endoscope. Specifically, the present disclosure relates to a fast calibration process wherein a new approach is employed in estimating a center of rotation of a plane of an image. Moreover, the approach, allows for updating of a camera matrix during use.