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pro vyhledávání: '"Osama M. Alattar"'
Autor:
Osama M. Alattar, Adnan M. Alattar
Publikováno v:
Security, Steganography, and Watermarking of Multimedia Contents
In this paper, we propose a new method for watermarking electronic text documents that contain justified paragraphs and irregular line spacing. The proposed method uses a spread-spectrum technique to combat the effects of irregular word or line spaci
Autor:
Osama M. Alattar, Alastair M. Reed
Publikováno v:
Security and Watermarking of Multimedia Contents
Watermarking of printed materials has usually focused on process inks of cyan, magenta, yellow and black (CMYK). In packaging, almost three out of four printed materials include spot colors. Spot colors are special premixed inks, which can be produce