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Motion compensation for interlaced digital television signals

DC
  • US 5,093,720 A
  • Filed: 08/20/1990
  • Issued: 03/03/1992
  • Est. Priority Date: 08/20/1990
  • Status: Expired due to Term
First Claim
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1. A method for motion compensated coding of interlaced digital video signals comprising the steps of:

  • subdividing the odd field of a first interlaced video frame into blocks of odd field pixel data;

    subdividing the even field of said first video frame into blocks of even field pixel data;

    subdividing the odd field of a subsequent second interlaced video frame into blocks of odd field pixel data;

    subdividing the even field of said second video frame into blocks of even field pixel data;

    comparing each block of pixel data from the second video frame to similarly situated blocks in both the odd and even fields of said first video frame to find a preferred first frame counterpart for each second frame block; and

    generating a prediction error signal for each second frame block indicative of the difference between the block and its preferred counterpart.

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