A digital watermarking scheme based on singular value decomposition

Authors:
Chin-Chen Chang;Yih-Shin Hu;Chia-Chen Lin
Affiliations:
Department of Information Engineering and Computer Science, Feng Chia University, Taichung and Department of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, ...;Department of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, Taiwan;Department of Computer Science and Information Management, Providence University, Taichung, Taiwan
Venue:
ESCAPE'07 Proceedings of the First international conference on Combinatorics, Algorithms, Probabilistic and Experimental Methodologies
Year:
2007

Citing 9
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Abstract

Recently, digital watermarking techniques have been extensively applied on protecting rightful ownership of digital images. Some novel watermarking schemes which are based on SVD (Singular Value Decomposition) are being developed in some literatures [1, 15] nowadays. All of these SVD-based watermarking schemes have good embedding quality and high robustness, but they must depend on an original image or store some extra tables to extract watermarks. In this paper, we will propose an SVD-based watermarking scheme in order to reduce the load of the SVD-based watermarking system. Our proposed scheme can directly extract watermarks in the watermarked images without extra information. Furthermore, in our proposed scheme, we use a secure pseudo random number generator to decide embedded position in order to promote its security. According to the experimental results, our system can also maintain good embedding quality and high robustness.