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:
Oct. 26, 2021
Filed:
Jan. 10, 2020
Facebook Technologies, Llc, Menlo Park, CA (US);
Peter Freese, Issaquah, WA (US);
Hauke Malte Strasdat, Kirkland, WA (US);
Renzo De Nardi, Seattle, WA (US);
Facebook Technologies, LLC, Menlo Park, CA (US);
Abstract
A calibration system is described that includes a calibration target having one or more calibration objects, a head mounted display (HMD), and a rendering engine configured to render, based on an estimated pose of the HMD, respective virtual calibration objects in a viewing area of the HMD at respective locations corresponding to the one or more calibration objects visible in the viewing area, wherein the HMD is configured to output the virtual calibration targets. The calibration system further includes an image capture system configured to capture image data comprising images of the viewing area of the HMD, and a calibration engine configured to compute, from the image data, difference data comprising respective distances between the one or more calibration objects and the respective, corresponding virtual calibration objects.