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Computer Optics, 2014, Volume 38, Issue 4, Pages 825–832 (Mi co196)  
IMAGE PROCESSING, PATTERN RECOGNITION

A method for extracting watermarks from textured printed documents

V. V. Sergeevab, V. A. Fedoseevab

a Samara State Aerospace University
b Image Processing Systems Institute, Russian Academy of Sciences
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Abstract: In this paper, we propose a method for extracting latent images (watermarks) embedded into a regular (two-dimensional quasi-periodical) texture of printed document image. The method includes the following steps: spectral analysis of the input image, synthesis of Gabor filter bank, multichannel Gabor filtering of the image that forms textural feature fields, and finally, multichannel segmentation of them. A number of examples show the operability and potential effectiveness of the method.
Keywords: printed document, regular texture, watermark, texture analysis, Gabor filter, segmentation.
Funding agency Grant number
Russian Foundation for Basic Research 11-07-12059-офи_м
13-01-12080-офи_м
Russian Academy of Sciences - Federal Agency for Scientific Organizations 212
Ministry of Education and Science of the Russian Federation
2014/198
This work was supported by: - RFBR (grants 11-07-12059, 13-01-12080); - Program of the Presidium of RAS № 15 "Information, control and intelligent technologies and systems, "the project 212; - RF Ministry of Education as part of the activities of the Programme enhance the competitiveness of SSAU among the world's leading research and education centers for 2013-2020; - State university job №2014 / 198 project code 2298.
Received: 05.09.2014
Document Type: Article
Language: Russian
Citation: V. V. Sergeev, V. A. Fedoseev, “A method for extracting watermarks from textured printed documents”, Computer Optics, 38:4 (2014), 825–832
Citation in format AMSBIB
\Bibitem{SerFed14}
\by V.~V.~Sergeev, V.~A.~Fedoseev
\paper A method for extracting watermarks from textured printed documents
\jour Computer Optics
\yr 2014
\vol 38
\issue 4
\pages 825--832
\mathnet{http://mi.mathnet.ru/co196}
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