期刊名称：International Journal of Computer Science Issues
印刷版ISSN：1694-0784
电子版ISSN：1694-0814
出版年度：2012
卷号：9
期号：6
出版社：IJCSI Press
摘要：Dual image watermarking algorithm based on block truncation code is proposed. In the algorithm, after the origin image is performed block truncation code and quad tree segmentation, the area of HF image and LF image could be obtained. The HF and LF image are decomposed using DWT. Moreover, the dual watermarks are performed an m-sequence transformation. Select LH coefficients and use SVD method. Embed the watermark into V component of the SVD domain. The dual watermark image can be got after the inverse SVD and DWT transformed. The experimental results demonstrate that the watermarking algorithm has good robustness against the attacks such as rotation, image compression, noise addition, filtering and other image processing actions.
