A Robust Color Image Watermarking Scheme Using Entropy and QR Decomposition
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Date
2015-12
Authors
Laur, Lauri
Rasti, Pejman
Agoyi, Mary
Anbarjafari, Gholamreza
ORCID
Advisor
Referee
Mark
Journal Title
Journal ISSN
Volume Title
Publisher
Společnost pro radioelektronické inženýrství
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Abstract
Internet has affected our everyday life drastically. Expansive volumes of information are exchanged over the Internet consistently which causes numerous security concerns. Issues like content identification, document and image security, audience measurement, ownership, copyrights and others can be settled by using digital watermarking. In this work, robust and imperceptible non-blind color image watermarking algorithm is proposed, which benefit from the fact that watermark can be hidden in different color channel which results into further robustness of the proposed technique to attacks. Given method uses some algorithms such as entropy, discrete wavelet transform, Chirp z-transform, orthogonal-triangular decomposition and Singular value decomposition in order to embed the watermark in a color image. Many experiments are performed using well-known signal processing attacks such as histogram equalization, adding noise and compression. Experimental results show that proposed scheme is imperceptible and robust against common signal processing attacks.
Description
Citation
Radioengineering. 2015 vol. 24, č. 4, s. 1025-1032. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/2015/15_04_1025_1032.pdf
http://www.radioeng.cz/fulltexts/2015/15_04_1025_1032.pdf
Document type
Peer-reviewed
Document version
Published version
Date of access to the full text
Language of document
en