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Methods and apparatus for requesting, receiving and/or playing back content corresponding to an environment

  • US 10,038,889 B2
  • Filed: 03/01/2016
  • Issued: 07/31/2018
  • Est. Priority Date: 03/01/2015
  • Status: Active Grant
First Claim
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1. A method of operating a content playback device, the method comprising:

  • receiving a first UV map indicating a mapping between portions of a first frame, including non-occluded image content, to a first set of segments of a first model of an environment, said first set of segments corresponding to portions of said environment visible from a first location;

    receiving an auxiliary UV map indicating a mapping between portions of an auxiliary frame including occluded image content to a second set of segments of the first model of an environment, said second set of segments corresponding to portions of said environment which are not visible from said first location;

    receiving said first frame in a primary content stream;

    receiving said auxiliary frame in an auxiliary content stream, said auxiliary frame including occluded image content corresponding to said first frame and at least one additional frame in a set of M frames included in said primary content stream, M being greater than one;

    detecting a head position of a user;

    rendering an image by;

    i) using the first UV map to map image portions included in the first frame to segments of the first set of segments of the first model of the environment and ii) using the auxiliary UV map to map image portions included in the auxiliary frame to segments of the second set of segments of the first model of the environment, said rendered image including a portion of the environment which would be visible to a user in the environment having the detected head position; and

    outputting said portion of the rendered image to a display.

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