A Watermarking Technique for Digital Imagery : Further Studies

  title={A Watermarking Technique for Digital Imagery : Further Studies},
  author={Edward J. Delp},
The growth of networked multimedia systems has created a need for the copyright protection of digital images. Copyright protection involves the authentication of image ownership and the identification of illegal copies of a (possibly forged) image. One approach is to mark an image by adding an invisible structure known as a digital watermark. In this paper we further study techniques for marking images introduced in [1]. In particular, we describe how our techniques withstand random errors. We… CONTINUE READING
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1 Excerpt

Original canyon image Figure 2. Watermarked canyon image Figure 3. W1 for canyon image

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Capturing and preparing images of Vatican library manuscripts for access via Internet

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