An image watermark algorithm based on discrete cosine transform block classifying

Authors:
Zhao Yuehua;Cai Guixian;Du Yunhai
Affiliations:
Jiangsu University, P. R. China;Jiangsu university, P. R. China;Jiangsu university, P. R. China
Venue:
InfoSecu '04 Proceedings of the 3rd international conference on Information security
Year:
2004

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Abstract

This paper provides a digital watermark algorithm based on block classifying picture. Through the experience, the algorithm shows better robust than others. The watermarked picture has stronger resistance to image operating.