S.H. Low, N.F. Maxemchuk, J.T. Brassil, L. O'Gorman  Home/Search
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Abstract: We continue our study of document marking to deter illicit dissemination. An experiment we performed reveals that the distortion on the photocopy of a document is very different in the vertical and horizontal directions. This leads to the strategy that marks a text line both vertically using line shifting and horizontally using word shifting. A line that is marked is always accompanied by two unmarked control lines one above and one below. They are used to measure distortions in the vertical... (Update)
Context of citations to this paper: More
...and source code. Techniques that hide messages in English texts range from line shifting, word shifting and font encoding (see, e.g. [5, 14, 6]) to natural language processing approaches (see, e.g. 1] Whereas the first groups of techniques are particularly sensitive to...
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BibTeX entry: (Update)
J. Brassil, S. Low, N. Maxemchuk, and L. O'Gorman. Document marking and identification using both line and word shifting. Technical report, AT&T Bell Laboratories, 1994. http://citeseer.ist.psu.edu/low94document.html More
@inproceedings{ low95document,
author = "Steven H. Low and Nicholas F. Maxemchuk and Jack Brassil and Lawrence O'Gorman",
title = "Document Marking and Identification Using Both Line and Word Shifting",
booktitle = "{INFOCOM} (2)",
pages = "853--860",
year = "1995",
url = "citeseer.ist.psu.edu/low94document.html" }
Citations (may not include all citations):83 and Modulation Theory (context) - Van Trees, Estimation - 1968
78 Document image defect models (context) - Baird - 1992
66 Electronic marking and identification techniques to discoura.. - Brassil, Low et al. - 1994
50 Assuring ownership rights for digital images - Caronni - 1994
42 Embedding secret information into a dithered multilevel imag.. (context) - Tanaka, Nakamura et al. - 1990
23 Copyright protection for electronic publishing over computer.. - Choudhury, Maxemchuk et al. - 1994
12 Image and document processing techniques for the RightPages .. (context) - O'Gorman - 1992
8 Electrophotography and Development Physics (context) - Schein - 1992
7 The document spectrum for structural page layout analysis (context) - O'Gorman - 1993
2 Optical Document Security (context) - van Renesse - 1994
1 Document marking and identification: a model and an implemen.. (context) - Low, Lepone et al. - 1994
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