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Video signal processing apparatus for separating an image of a moving object from video signals

  • US 4,805,018 A
  • Filed: 03/09/1987
  • Issued: 02/14/1989
  • Est. Priority Date: 03/07/1986
  • Status: Expired due to Term
First Claim
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1. A video signal processing apparatus comprising:

  • an image pickup means for obtaining a video signal of a view which includes a moving target;

    a signal generating means for generating field signals in binary form from said video signal;

    a memory means for storing field signals of a first field and a second field from said signal generating means, said first and second fields being different from each other;

    a means for obtaining a logical sum of said first and second field signals from said memory means; and

    a signal extracting means for extracting a signal of said moving target by logically operating a field signal of a third field from said signal generating means and said logical sum, said third filed being different from said first and second fields.

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