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Methods and systems for embedding camera information in images

  • US 7,663,670 B1
  • Filed: 02/04/2002
  • Issued: 02/16/2010
  • Est. Priority Date: 02/09/2001
  • Status: Expired due to Fees
First Claim
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1. A method of embedding camera information and image capture related information in a digital form of an image, comprising:

  • receiving information on a first static camera characteristic suitable to enhance image reproduction;

    receiving information on a first static camera characteristic suitable to identify a single camera that is the source of the image by embedding unique single camera characteristics;

    receiving camera setting information related to a first captured digitized image;

    generating an encryption key based at least in part on the first static camera characteristic;

    embedding a watermark in said first captured digitized image, wherein the watermark contains at least a portion of the information on at least one of said first static characteristics and at least a portion of the camera setting information related to said first captured digitized image; and

    encrypting the watermark using the encryption key, wherein the first static camera characteristic suitable to enhance image reproduction is a camera image sensor bad pixel characteristic.

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