ADAPTIVE ROBUST WATERMARKING ALGORITHM BASED ON DCT-DOMAIN
Since current DCT-domain watermarking algorithm is poor self-adaptive, a new digital watermarking algorithm that combines encryption with adaptability is proposed. Before been embedding, it need to be Arnold transformed so that it can break the correlation of watermarks inter-related data, greatly increase the security of watermarking and reduce the errors may be caused in the watermark image transmission and extraction process. It can adaptively and dynamically adjust the strength of embedded watermark and coordinate the effectiveness and hidden character in the embedding process. Moreover, with data encryption technology, it can ensure the security of embedded information. The experiment shows that the algorithm has good robustness to median filtering, image shearing, salt-pepper noise and JPEG compression and other kinds of attack.
digital watermarking encryption adaptive algorithm DCT-domain
Xianyi Cheng Liu Ding Fei Gao
School of Computer Science and Techology, Nantong University, Nantong 226019,China School of Compute School of Computer Science and Communication Engineering, Jiangsu University, Zhenjiang 212013,China
国际会议
北京
英文
623-628
2009-11-06（万方平台首次上网日期，不代表论文的发表时间）