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Method for dynamically calibrating rotation offset in a camera system

  • US 8,860,818 B1
  • Filed: 07/31/2013
  • Issued: 10/14/2014
  • Est. Priority Date: 07/31/2013
  • Status: Active Grant
First Claim
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1. A device comprising:

  • a camera configured to capture images;

    an orientation sensor configured to provide orientation information for the device;

    one or more processors; and

    memory storing program instructions executable by the one or more processors to;

    obtain an image captured by the camera, wherein orientation information from the orientation sensor is associated with the image, wherein the orientation information is from the time of capture of the image;

    analyze pixel data of the image to determine an image orientation angle for the image;

    obtain the orientation sensor information for the image;

    determine a device orientation angle from the orientation sensor information; and

    based on the image orientation angle and the device orientation angle, determine a rotational offset, wherein the rotational offset is relative to the camera or orientation sensor.

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