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Image-related methods and arrangements

  • US 8,620,021 B2
  • Filed: 11/21/2012
  • Issued: 12/31/2013
  • Est. Priority Date: 03/29/2012
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving first imagery captured by a smartphone camera from a first printed page of a plural-page publication, in which pages in the publication include a page order, and presenting the first imagery on a screen of the smartphone;

    providing the first imagery to a processor to produce scale invariant feature data therefrom;

    receiving second imagery, identified through use of said scale invariant feature data, the second imagery also corresponding to said first printed page but being sourced from a source different than the smartphone camera;

    presenting, on the screen of the smartphone, the second imagery, the second imagery replacing the first imagery on the smartphone screen;

    receiving user input via a touch screen of the smartphone;

    querying a data structure to identify third imagery from the plural-page publication that depicts a further printed page of the plural-page publication that is later than the first printed page but is not immediately following the first printed page in the page order; and

    as a consequence of said user input, presenting the third imagery on the smartphone screen.

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