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High resolution zoom: a novel digital zoom for digital video camera

  • US 20060125937A1
  • Filed: 12/10/2004
  • Published: 06/15/2006
  • Est. Priority Date: 12/10/2004
  • Status: Active Grant
First Claim
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1. A method for zooming a camera, comprising the steps of:

  • (A) generating an electronic image by sensing an optical image received by said camera, said sensing including electronic cropping to a window size to establish an initial resolution for said electronic image;

    (B) generating a final image by decimating said electronic image by a decimation factor to a final resolution smaller than said initial resolution; and

    (C) changing a zoom factor for said final image by adjusting both of said decimation factor and said window size.

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