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Programmable architecture and methods for motion estimation

  • US 5,901,248 A
  • Filed: 08/06/1996
  • Issued: 05/04/1999
  • Est. Priority Date: 02/19/1992
  • Status: Expired due to Term
First Claim
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1. A method for determining a prediction error in motion estimation following the identification of a best match lock, comprising the steps of:

  • storing an image block in a first memory having a plurality of addressable locations N pixels in width;

    selecting N pixels in parallel from any one of said addressable locations of said first memory during an address cycle;

    storing said best match block in a second memory having a plurality of addressable locations M pixels in width, M being greater than N;

    selecting any N contiguous pixels in parallel from any of said addressable locations of said second memory corresponding to said best match block during an address cycle;

    determining differences of the N pixels from said first memory selecting step and the N pixels from said second memory selecting step; and

    storing the results of said differences determining step.

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