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Television picture stabilizing system

  • US 4,403,256 A
  • Filed: 11/10/1981
  • Issued: 09/06/1983
  • Est. Priority Date: 11/10/1981
  • Status: Expired due to Term
First Claim
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1. System for processing and producing from an input video signal exhibiting unsteadiness due to having been produced by an unsteady television camera, a corrected video signal essentially free of such unsteadiness, said system comprising, in combination:

  • means receiving said input video signal and for selecting therefrom a reference object within the camera field of view, which reference object but for said camera unsteadiness would normally be stationary, against which to measure picture motion;

    means for measuring motion of said selected reference object and for producing a correction signal representative of such measured motion; and

    means operative responsively to said correction signal for making the necessary corrections to the overall television picture represented by said input video signal to eliminate picture unsteadiness.

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