臺灣博碩士論文加值系統

因網路上的數位影像資料有著非常容易被儲存、傳播、修改的特性，所以各種未經授權的數位影像資料被非法盜用與偽造的事件層出不窮。這對作者及所有權者的權益造成嚴重的損失，也對商業發展與社會大眾帶來極其負面的影響，也會影響到商業團體的經濟利益。因此，數位媒體的智慧財產權保護措施便成了一個非常重要且熱門的研究議題，也因而產生了維護數位媒體版權與完整性的相關技術。透過數位浮水印(Digital Watermark)的技術來達到保護智慧財產權是很好的一種方式。目前浮水印技術的研究，主要著重於不可視型浮水印技術來保護影像或視頻資料。本論文的目的是使用均值調制技術在每組視頻（Group of Video , GOV）的I畫片中嵌入強健的浮水印，以產生有能力抵抗攻擊的不可視型強健浮水印視頻。所嵌入的浮水印是屬於不可見式浮水印(invisible watermark)，可以為視頻內容提供身份驗證和版權保護。

Since digital video data on the Internet is easily stored, copied transmitted, and modified. Various unauthorized digital data are incessantly illegally acquired and forged. It results in a large loss for the rights of authors and owners. It also results a very negative impact on business development, and also affects the economic benefits of business. Therefore, intellectual property protection for digital data is a very important issue and hot research topic. Digital watermark is one of the good ways to maintain media copyright and integrity. The purpose of this research is to use the Mean Modulation Technique to embed a robust watermark in the I-frames of each Group of Video (GOV) for providing authentication and copyright protection for video content.

中文摘要 I
Watermarking in Video Using Mean Modulation Technique II
誌謝 V
章節目錄 VI
表目錄 VIII
圖目錄 IX
第一章 緒論 1
1.1研究背景與動機 1
1.2 研究目的 2
1.3 本文組織架構 3
第二章 相關知識探討 4
2.1數位浮水印的應用 5
2.2數位浮水印的分類與特性 8
2.2.1以視覺感知區分 8
2.2.2以應用的目的區分 9
2.2.3以資料比對區分 10
2.2.4以資料嵌入技術區分 10
2.3浮水印攻擊種類 12
2.3.1常見的影像浮水印攻擊 13
2.3.2常見的視頻浮水印攻擊 15
2.4 H.264/AVC概述 18
2.4.1 H.264/AVC的應用 18
2.4.2 H.264/AVC壓縮標準 19
第三章 應用均值調制技術在視頻中加浮水印 22
3.1系統架構 22
3.2浮水印嵌入單元之程序 25
3.3浮水印取出單元之程序 28
第四章 實驗結果與討論 29
4.1實驗參數與環境 29
4.2浮水印透明度測試 30
4.3浮水印強健性測試 33
4.3.1資料壓縮破壞 33
4.3.2影像處理破壞 36
4.3.3紅、綠或藍色像素偏多之影像測試 40
第五章 結論與未來研究方向 47
5.1研究結論 47
5.2未來研究方向 48
參考文獻 49
自述 52

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