A blind digital watermarking scheme based on complete complementary codes

Complete complementary code can be applied to digital watermarking technologies as well as communication systems like approximately synchronized CDMA because of its good correlation properties. In this paper, we propose a blind watermarking algorithm which does not need to refer any original data in the watermark extraction process. We also discuss the analogy between the proposed watermarking scheme and CT-CDMA communication systems based on complete complementary codes. In addition, some extensions of the proposed watermarking method and future problems are discussed in the paper.

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