Brassil, J. and Low, S. and Maxemchuk, N. and O'Gorman, L. (1994) Electronic marking and identification techniques to discourage document copying. In: IEEE INFOCOM '94, Networking for Global Communications. Toronto, Ontario, 12-16 June 1994. Vol.3. IEEE , Piscataway, NJ, pp. 1278-1287. ISBN 0-8186-5570-4. https://resolver.caltech.edu/CaltechAUTHORS:BRAinfocom94
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Abstract
Modern computer networks make it possible to distribute documents quickly and economically by electronic means rather than by conventional paper means. However, the widespread adoption of electronic distribution of copyrighted material is currently impeded by the ease of illicit copying and dissemination. In this paper we propose techniques that discourage illicit distribution by embedding each document with a unique codeword. Our encoding techniques are indiscernible by readers, yet enable us to identify the sanctioned recipient of a document by examination of a recovered document. We propose three coding methods, describe one in detail, and present experimental results showing that our identification techniques are highly reliable, even after documents have been photocopied.
| Item Type: | Book Section | |||||||||
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| Additional Information: | © Copyright 1994 IEEE. Reprinted with permission. Publication Date: 12-16 June 1994. | |||||||||
| Subject Keywords: | computer networks; copy protection; cryptography; document image processing; image coding; reproduction (copying); codeword; computer networks; copyrighted material; document copying; electronic distribution; electronic marking; encoding; identification techniques; illicit copying; illicit distribution | |||||||||
| DOI: | 10.1109/INFCOM.1994.337544 | |||||||||
| Record Number: | CaltechAUTHORS:BRAinfocom94 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:BRAinfocom94 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 11564 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Kristin Buxton | |||||||||
| Deposited On: | 07 Sep 2008 04:00 | |||||||||
| Last Modified: | 08 Nov 2021 22:00 |
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