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Optics Express

Optics Express

| THE INTERNATIONAL ELECTRONIC JOURNAL OF OPTICS

  • Editor: J. H. Eberly
  • Vol. 3, Iss. 12 — Dec. 7, 1998
  • pp: 478–484

Optics InfoBase > Optics Express > Volume 3 > Issue 12 > Page 478

Intellectual property protection systems and digital watermarking

Jack Lacy, Schuyler Quackenbush, Amy Reibman, and James Snyder

Optics Express, Vol. 3, Issue 12, pp. 478-484        doi:10.1364/OE.3.000478

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  • OCIS Codes:
  • (070.6020) Fourier optics and signal processing : Continuous optical signal processing
  • (100.2000) Image processing : Digital image processing

Citation
Jack Lacy, Schuyler Quackenbush, Amy Reibman, and James Snyder, "Intellectual property protection systems and digital watermarking," Opt. Express 3, 478-484 (1998)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-3-12-478

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Abstract

Adequate protection of digital copies of multimedia content - both audio and video - is a prerequisite to the distribution of this content over networks. Until recently digital audio and video content has been protected by its size: it is difficult to distribute and store without compression. Modern compression algorithms allow substantial bitrate reduction while maintaining high-fidelity reproduction. If distribution of these algorithms is controlled, cleartext uncompressed content is still protected by its size. However, once the compression algorithms are generally available cleartext content becomes extremely vulnerable to piracy. In this paper we explore the implications of this vulnerability and discuss the use of compression and watermarking in the control of piracy.

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History
Original Manuscript: October 30, 1998
Published: December 7, 1998

References

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Author Affiliations

Jack Lacy, Schuyler Quackenbush, Amy Reibman, James Snyder

AT&T Labs

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