数字图像水印嵌入攻击与提取 目 录摘要......................................................................IABSTRACT.................................................................II1 绪论....................................................................11.1 研究背景.............................................................11.1.1 数字水印的研究背景...............................................11.1.2 了解数字水印的原理...............................................11.1.3 数字水印的过程...................................................11.1.4 数字水印的特点...................................................21.2.3 数字水印的分类...................................................21.2.4 数字水印的一般原理...............................................21.2 系统概述及应用.......................................................32 数字水印原理............................................................52.1 水印信号.............................................................52.2 水印嵌入方法.........................................................52.3 水印的提取和检测.....................................................62.3.1 水印的提取.......................................................62.3.2 水印的检测.......................................................62.4 数字水印的鲁棒性问题.................................................73 傅立叶域水印理论基础....................................................93.1 傅立叶变换简述.......................................................93.2 一维离散付立叶变换 DFT................................................93.3 二维离散傅立叶变换..................................................103.4 比例缩放性..........................................................114 水印的嵌入与提取.......................................................124.1 开发技术简介.......................................................124.2 水印算法............................................................124.2.1 水印嵌入算法原理...
