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Tweening-based codec for scaleable encoders and decoders with varying motion computation capability

  • US 6,907,073 B2
  • Filed: 12/06/2000
  • Issued: 06/14/2005
  • Est. Priority Date: 12/20/1999
  • Status: Active Grant
First Claim
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1. A method for encoding a video stream to generate an encoded video bitstream, comprising the steps of:

  • (a) encoding, into the encoded video bitstream, a first original frame/region in the video stream using intra-frame coding to generate an encoded first frame/region; and

    (b) encoding, into the encoded video bitstream, a second original frame/region in the video stream using motion-based predictive coding, wherein;

    the motion-based predictive coding comprises motion computation adapted to generate motion information using during the motion-based predictive coding; and

    at least some of the motion information used during the motion-based predictive coding is excluded from the encoded video bitstream.

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