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Method and device for optimal bit allocation between different sources of information in digital video compression

  • US 5,778,192 A
  • Filed: 10/26/1995
  • Issued: 07/07/1998
  • Est. Priority Date: 10/26/1995
  • Status: Expired due to Fees
First Claim
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1. A method for allocating bits for optimal rate/distortion performance in digital video compression, comprising the steps of:

  • A) mapping information for a current frame and information for a correlated frame that is stored in a memory unit into a set of information of A1-A4;

    A1) displaced frame difference information and displacement vector field information;

    A2) displaced frame difference information and segmentation information;

    A3) displacement vector field information and segmentation information;

    A4) displaced frame difference information, displacement vector field information, and segmentation information;

    B) using the set of information to optimally represent the current frame based on rate/distortion characteristics.

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