Yuehua Zhao, Guixian Cai, Yunhai Du. An image watermark algorithm based on discrete cosine transform block classifying. In John R. White, Huanye Sheng, editors, Proceedings of the 3rd International Conference on Information Security, InfoSecu 2004, Shanghai, China, November 14-16, 2004. pages 234-235, ACM, 2004. [doi]
Abstract is missing.