Copyright protection of digital images by embedded unperceivable marks

  title={Copyright protection of digital images by embedded unperceivable marks},
  author={Mauro Barni and Franco Bartolini and Vito Cappellini and Alessandro Piva},
  journal={Image Vision Comput.},
Digital watermarking has been proposed as a solution to the problem of copyright protection of multimedia documents in a networked environment. It makes possible to tightly associate a code to an image, allowing the identiication of the data creator, owner and so on. In this paper, after a review of some important watermark-ing techniques, a new watermarking algorithm for digital images is presented: the method, which enhances a previous technique proposed by Cox et al. 2], operates in the… CONTINUE READING
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