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System and method for exploiting scene graph information in construction of an encoded video sequence

  • US 9,294,785 B2
  • Filed: 04/25/2014
  • Issued: 03/22/2016
  • Est. Priority Date: 06/06/2013
  • Status: Active Grant
First Claim
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1. A method for creating a composited video frame sequence, comprising:

  • at a system including one or more processors and memory storing instructions for execution by the processor;

    comparing a current scene state with a previous scene state, wherein the current scene state includes a first plurality of objects having respective properties, and wherein the previous scene state includes a second plurality of objects having respective properties;

    detecting a difference between the respective properties of the first plurality of objects and the respective properties of the second plurality of objects;

    in accordance with the difference between the respective properties being detected, retrieving one or more pre-encoded first video fragments based on the detected difference, wherein each of the one or more pre-encoded first video fragments is a portion of a full frame of video; and

    compositing the video frame sequence, wherein the video frame sequence includes at least one of the one or more pre-encoded first video fragments.

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