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Coding and decoding of moving pictures based on sprite coding

  • US 20010036319A1
  • Filed: 03/19/2001
  • Published: 11/01/2001
  • Est. Priority Date: 03/21/2000
  • Status: Active Grant
First Claim
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1. A method of coding and transmitting moving pictures, comprising the steps of:

  • coding an extended background image;

    coding parameters indicative of an image area within the extended background image;

    coding a foreground picture that is to be composed with a background picture corresponding to the image area indicated by the parameters;

    coding a defocus value indicative of an extent to which the background picture should blur; and

    transmitting the coded extended background image, the coded parameters, the coded foreground picture, and the coded defocus value as a data stream to a decoder side.

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