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METHOD, DEVICE, AND COMPUTER PROGRAM FOR OPTIMIZING TRANSMISSION OF MOTION VECTOR RELATED INFORMATION WHEN TRANSMITTING A VIDEO STREAM FROM AN ENCODER TO A DECODER

  • US 20200137411A1
  • Filed: 12/23/2019
  • Published: 04/30/2020
  • Est. Priority Date: 03/14/2014
  • Status: Active Grant
First Claim
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1. A method for decoding encoded video data, the method comprising:

  • determining a motion vector for decoding a first image portion, the decoding of the first image portion is performed according to one of a skip mode, a merge mode or a motion prediction mode;

    locating a reference image portion for the first image portion using the determined motion vector; and

    decoding the first image portion based on the reference image portion;

    wherein the motion vector has a sub-pixel resolution if the first image portion is decoded according to skip or merge modes;

    wherein the motion vector has a resolution dependent on a flag if the first image portion is decoded according to the motion prediction mode, andwherein the resolution of the motion vector for the first image portion is a quarter-pixel if the flag is equal to zero.

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