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. 19, 2020
Filed:
Mar. 07, 2018
California Institute of Technology, Pasadena, CA (US);
Matthew C. Clausen, Los Angeles, CA (US);
Charles Goddard, Los Angeles, CA (US);
Garrett K. Johnson, Pasadena, CA (US);
Marsette A. Vona, III, Los Angeles, CA (US);
Victor X. Luo, Pasadena, CA (US);
Jeffrey S. Norris, Saratoga, CA (US);
Anthony J. Valderrama, Pasadena, CA (US);
CALIFORNIA INSTITUTE OF TECHNOLOGY, Pasadena, CA (US);
Abstract
A method, apparatus, and system provide the ability to control navigation of a three-dimensional (3D) computer aided design (CAD) model in an augmented reality space. The 3D CAD model is rendered in the augmented reality space and appears as if it is present in a physical space at true scale. A virtual camera is defined as fixed to a current pose of a user's head. A virtual line segment S is constructed coincident with a ray R from a center of projection P of the virtual camera and a center pixel of the virtual camera. A check for geometric intersections between the virtual line segment S and surfaces of scene elements is conducted. Upon intersecting with a part of the model, a gaze cursor is rendered at an intersection point C closest to the center of projection P.