【正文】
基于混沌的空域脆弱認(rèn)證水印 5 人類視覺系統(tǒng)(HVS) 5 圖像的位平面分解 5 圖像的位平面表示 6 混沌理論 6 混沌動(dòng)力系統(tǒng)與混沌序列 7 Logistic映射 7 基于混沌的脆弱性認(rèn)證水印算法設(shè)計(jì) 7 水印的生成 7 水印的嵌入 8 篡改檢測和定位 8 性能分析和仿真實(shí)驗(yàn) 9 性能分析 9 仿真實(shí)驗(yàn) 9第4章 一種實(shí)用的可恢復(fù)脆弱認(rèn)證水印 9 認(rèn)證水印算法設(shè)計(jì) 9 圖像的置亂技術(shù) 9 水印的生成和嵌入 10 水印的生成 10 仿真實(shí)驗(yàn) 10第5章 抗JPEG壓縮的自嵌入半脆弱水印 10 半脆弱數(shù)字水印概述 10 相關(guān)基礎(chǔ)知識(shí) 11 JPEG簡介 11 水印信號(hào)設(shè)計(jì) 11 水印嵌入過程 11 水印差別檢測和圖像認(rèn)證過程 11 性能分析和仿真實(shí)驗(yàn) 11 性能分析 11 仿真實(shí)驗(yàn)及結(jié)果 12第6章 結(jié) 論 12 結(jié)論 12 展望 13參考文獻(xiàn) 14致 謝 15摘 要數(shù)字水印是信息隱藏技術(shù)研究領(lǐng)域的一個(gè)重要分支。關(guān)于數(shù)字多媒體信息的版權(quán)保護(hù)已有諸多論文闡述,而對(duì)信息內(nèi)容的真實(shí)性認(rèn)證,以及圖像的完整性認(rèn)證是近幾年來隨著網(wǎng)絡(luò)技術(shù)的發(fā)展而產(chǎn)生并發(fā)展起來的,其迫切的市場需求和廣泛的應(yīng)用前景已吸引了眾多的研究者投入到這一行列內(nèi),使之成為當(dāng)前信息認(rèn)證領(lǐng)域研究的熱點(diǎn)。本文主要研究數(shù)字水印的重要分支——圖像認(rèn)證水印:(略)關(guān)鍵詞:認(rèn)證水印;(半)脆弱水??;混沌映射;JPEG壓縮AbstractDigital watermarking is an important branch of information hiding technology. Digital multimedia information on copyright protection has been discussed by a lot of papers, while the reality authentication of information content and the integrity authentication of image have developed with the development of network technology in recent years. The eager market demand and the wide application prospects have been attracting many researchers into the fields so that the current information authentication bees hot in the field of research. However, the (semi) fragile watermarking technology is still in the initial stage, and far less mature than robust watermark technology in the results of theoretical and practical aspects. There are still many problems to be studied and explored. In this paper, an important branch of the digital watermark a watermark image authentication is mainly discussed.... Key Words: a