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Image related methods and systems

  • US 8,842,875 B2
  • Filed: 05/31/2011
  • Issued: 09/23/2014
  • Est. Priority Date: 05/26/2011
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving a request to assign a watermark identifier for use with a first content object represented by digital data, said watermark identifier comprising an identifier that is to be digitally-watermarked into the first content object by a remote device;

    assigning a watermark identifier for use with the first content object, and transmitting the assigned watermark identifier to the remote device, the assignment of the watermark identifier proceeding independently of the digital data representing the object; and

    checking to determine if a watermark identifier has earlier been assigned to a former content object having a perceptual similarity with the first content object.

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