基于小波与分形理论的数字水印算法

Algorithm Based on DWT and Fractal was Proposed

数字水印技术以其特有的优越性可以应用在版权保护、非法拷贝、保密通信等诸多领域,具有重要的应用意义和实用价值.本文提出了基于小波变换和分形理论的数字水印算法,有效的缩减了传统分形编码方法的时间复杂度.

Digital watermarking technology relying on its unique advantages can be applied in copyright protection,illegal copy,confidential communications, and many other fields,which has important practical significance and applicable value. This paper takes digital image as research object, has researched and designed embedding and extracting algorithms of the meaningful digital watermark. An algorithm based on DWT and fractal was proposed.