×

Stereo-based calibration apparatus

  • US 9,805,512 B1
  • Filed: 11/13/2015
  • Issued: 10/31/2017
  • Est. Priority Date: 11/13/2015
  • Status: Active Grant
First Claim
Patent Images

1. A method comprising:

  • accessing a memory that stores a set of expected positions of a plurality of locators on a virtual reality (VR) headset;

    capturing a plurality of images of the VR headset in a plurality of positions as the VR headset is moved along a predetermined path through a space imaged by a plurality of cameras, the captured images detecting actual positions of the plurality of locators on the VR headset;

    using images captured at each position of the VR headset;

    identifying the respective position of the VR headset in the space;

    determining positions of at least a subset of the locators in the space based on the images;

    computing a difference between an actual position of each locator in the subset on the VR headset and the expected position of the respective locator based on the determined position of the locator in the space and the identified position of the VR headset;

    generating calibration parameters for the plurality of locators based on the computed differences; and

    storing the calibration parameters for the plurality of locators to the VR headset, the calibration parameters usable to identify positions and motion of the VR headset during use of the VR headset.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×