基于图像融合和小波变换的数字水印嵌入与提取系统研究  

Research on Digital Watermark Embedding and Extraction System Based on Image Fusion and Wavelet Transform

作　　者：蔡正保[1] CAI Zhengbao(Department of Information and Engineering,Anhui Vocatioual College of Defense Technology,Luan,Anhui 237011,China)

机构地区：[1]安徽国防科技职业学院信息技术学院,安徽六安237011

出　　处：《九江学院学报（自然科学版）》2022年第1期41-44,共4页Journal of Jiujiang University：Natural Science Edition

基　　金：安徽省教育厅自然科学研究项目(编号KJ2019A1184);安徽省教育厅质量工程项目(编号2019xfzx16,2019mooc513);高校优秀青年骨干教师国内访问研修项目(编号gxgnfx2020171)的成果之一

摘　　要：数字水印技术在数字图像内容和版权的保护方面的应用越来越多,随着互联网技术的迅速发展,对数字水印技术的要求也逐渐提高,双重数字水印技术也因此而产生。在深入研究水印处理算法的基础上,选择一种基于图像融合和小波变换的数字水印嵌入和提取算法,该算法在同类算法中有一定的优越性,可实现对数字图像内容和版权的双重保护。为方便应用,设计出一种数字水印嵌入与提取系统,系统结构简单,易于操作,具有可扩展性。通过测试分析,系统对双重水印的嵌入和提取效果较好,具有一定的应用价值,同时为后期数字水印的研究提供了实验平台。Digital watermarking technology was more and more used in the protection of digital image content and copyright.With the rapid development of Internet technology,the requirements for digital watermarking technology were gradually improved,and dual digital watermarking technology was also produced.Based on the in-depth study of watermark processing algorithm,a digital watermark embedding and extraction algorithm based on image fusion and wavelet transform was selected.This algorithm had certain advantages over similar algorithms,and could realize the dual protection of digital image content and copyright.In order to facilitate the application,a digital watermark embedding and extraction system was designed.The system had the advantages of simple structure,easy operation and scalability.Through the test and analysis,the system had a good effect on the embedding and extraction of double watermark,and had a certain application value.At the same time,it provided an experimental platform for the later research of digital watermark.

关 键 词：数字水印 图像融合 小波变换 嵌入与提取系统 

分 类 号：TP391.4[自动化与计算机技术—计算机应用技术]