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Image movement detecting apparatus

  • US 5,233,417 A
  • Filed: 05/31/1991
  • Issued: 08/03/1993
  • Est. Priority Date: 06/01/1990
  • Status: Expired due to Fees
First Claim
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1. In an imaging system including a television camera, the improvement comprising:

  • movement detecting apparatus used with the television camera,said movement detecting apparatus including;

    means for inputting electrical signals representing an input image from the television camera at intervals of time;

    edge detecting means for scanning the inputted image represented by the electrical signals in a series of scan lines to detect, in each of the scan lines, a pixel forming an edge point in the image;

    distance determining means for determining a distance between detected pixels forming the same edge point in new and previous images inputted successively from the television camera;

    movement determining means for determining a movement of the new image inputted from the television camera with respect to the previous image inputted from the television camera, based on the determined distances between pixels; and

    means for determining a total movement of the new image inputted from the television camera with respect to a reference image having no influence of movement of the television camera by adding the determined movement to a movement of the previous image with respect to the reference image.

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