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Very low bit rate video coding/decoding method and apparatus

  • US 6,084,912 A
  • Filed: 06/27/1997
  • Issued: 07/04/2000
  • Est. Priority Date: 06/28/1996
  • Status: Expired due to Term
First Claim
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1. A method of encoding an input image to produce a very low bit rate bitstream, said method comprising the steps of:

  • (a) segmenting the input image into a background and at least one object;

    (b) applying motion estimation (ME) and compensation (MC) to said segmented image to produce a compensated image;

    (c) applying a transform to said compensated image to produce a transformed image;

    (d) selectively updating a codebook by storing said transformed image or a portion of said transformed image into said codebook; and

    (e) selectively encoding said transformed image or a portion of said transformed image into the bitstream.

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