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Apparatus and method for removing blank areas from real-time stabilized images by inserting background information

  • US 6,211,913 B1
  • Filed: 03/22/1999
  • Issued: 04/03/2001
  • Est. Priority Date: 03/23/1998
  • Status: Expired due to Term
First Claim
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1. An image stabilizer system comprising:

  • a terminal at which a video signal representing a current video frame is received;

    a memory which holds a frame of a background video signal;

    an image analyzer, responsive to the current video frame and the background video frame which determines a transformation to be applied to the current video frame to align the current video frame to the background video frame;

    an image warping processor which applies the transformation determined by the image analyzer to produce a transformed current video frame which is aligned with the background video frame, the transformed current video frame having blank picture elements (pixels) along at least one edge; and

    an image merging processor which substitutes pixels from the background frame for the blank pixels in the transformed current video frame to produce an output video frame.

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