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:
Mar. 26, 2013
Filed:
Sep. 14, 2009
Eddy Yim Kuo, Concord, CA (US);
Brian Anthony Pene, San Francisco, CA (US);
Eddy Yim Kuo, Concord, CA (US);
Brian Anthony Pene, San Francisco, CA (US);
AUTODESK, Inc., San Rafael, CA (US);
Abstract
One embodiment of the invention sets forth a technique for shading a graphics object inserted into a video feed of a real-world scene based on lighting conditions in the real-world scene. The real-world scene includes a fiducial marker denotes the location in the video feed where the graphics object should be inserted. In order to shade the graphics object, the AR application computes light color values at multiple points on the fiducial marker. The color computation module also computes the direction of light cast on the fiducial marker by determining the direction of the shadow cast by a pyramid object on the fiducial marker. The AR application then shades the graphics object inserted into the video feed at the location of the fiducial marker based on the light color values and the direction of light.