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Document image scanning apparatus and method thereof

  • US 6,697,536 B1
  • Filed: 04/14/2000
  • Issued: 02/24/2004
  • Est. Priority Date: 04/16/1999
  • Status: Expired due to Fees
First Claim
Patent Images

1. A document image scanning apparatus, in which images are inputted by using a non-contact type image inputting apparatus and document images are obtained from said inputted images, comprising:

  • a still image detecting means for detecting that said inputted image is still based at least in part on a calculation of a difference in values of first adjacent pixels in a first inputted image and a calculation of a difference in values of second adjacent pixels in a second inputted image;

    a hand region detecting means for detecting a hand region;

    a hand region removing means for removing said hand region;

    a hand movement feature extracting means for extracting features of hand movements;

    a turning pages or moving documents judging means for judging whether a movement is turning pages or moving documents from said features extracted at said hand movement feature extracting means;

    a document region judging means for judging a document region by said movement of turning pages or moving documents; and

    a document forming means for obtaining said document image when said still image detecting means detects a still image.

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