Joint spatial and frequency domains watermarking algorithm based on wavelet packets

Authors:
Yinghua Lu;Wei Wang;Jun Kong;Jialing Han;Gang Hou
Affiliations:
Computer School, Northeast Normal University, Changchun, Jilin Province, China;Computer School, Northeast Normal University, Changchun, Jilin Province, China;Computer School, Northeast Normal University, Changchun, Jilin Province, China;Computer School, Northeast Normal University, Changchun, Jilin Province, China;Computer School, Northeast Normal University, Changchun, Jilin Province, China
Venue:
AI'05 Proceedings of the 18th Australian Joint conference on Advances in Artificial Intelligence
Year:
2005

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Abstract

A novel Feature-Watermarking algorithm based on wavelet packet decomposition was presented in this paper. We first propose the concept of Feature-Watermark. Dither modulation embedding scheme in wavelet packet coefficients promises the hiding of large capacity of robust information and fulfills watermark blind-extraction. Experimental results show that our method successfully fulfills the compromise between the robustness and capacity.