Applying robust multibit watermarks to digital images

Authors:
Dimitrios Tsolis;Spiridon Nikolopoulos;Lambros Drossos;Spyros Sioutas;Theodore Papatheodorou
Affiliations:
Department of Computer Engineering and Informatics, University of Patras, Greece;Informatics and Telematics Institute, Centre of For Research and Technology, Greece;Department of Applied Informatics in Administration and Economics, Technological Institute of Messolongi, Greece;Department of Informatics, Ionian University, Greece;Department of Computer Engineering and Informatics, University of Patras, Greece
Venue:
Journal of Computational and Applied Mathematics
Year:
2009

Citing 6
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Abstract

The current work is focusing on the implementation of a robust multibit watermarking algorithm for digital images, which is based on an innovative spread spectrum technique analysis. The paper presents the watermark embedding and detection algorithms, which use both wavelets and the Discrete Cosine Transform and analyzes the arising issues.