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Processing methods combining multiple frames of image data

  • US 7,346,184 B1
  • Filed: 05/02/2000
  • Issued: 03/18/2008
  • Est. Priority Date: 05/02/2000
  • Status: Expired due to Term
First Claim
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1. A method for checking an identity document comprising:

  • (a) capturing a frame of image data corresponding to an identity document;

    (b) capturing another frame of image data corresponding to said identity document;

    (c) combining data from the captured frames, including less than the entirety of one of the captured frames, to yield a composite frame;

    (d) checking the composite frame to determine if it is suitable for decoding for information;

    (e) if so, decoding information from said composite frame; and

    (f) if not, repeating (b), (c), (d) and—

    if appropriate—

    (e);

    wherein part of one of said captured frames is not combined due to being out of focus.

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