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Video display system for correcting the position and size of mask images

  • US 7,893,959 B2
  • Filed: 01/22/2003
  • Issued: 02/22/2011
  • Est. Priority Date: 01/22/2002
  • Status: Expired due to Fees
First Claim
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1. A video camera system comprising:

  • a camera device for acquiring video images;

    an imaging direction control device configured to carry out panning/tilting control of the camera device;

    a circuit configured to superimpose a mask image on an arbitrary area set at an initial position within a range of imaging with the camera device on a video monitor, said initial position lies entirely within a screen of the video monitor;

    a processor configured to;

    receive a pan/tilt command to control the imaging direction control device;

    control the movement of the mask image based on the pan/tilt command; and

    correct the size of the mask image both forward and backward or either forward or backward in the direction of movement with the amount of correction of said mask image being adjusted depending on the movement speed thereof and the amount of correction increases as the movement speed increases.

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