数字水印的应用及需求分析  

Application and requirement analysis of digital watermarking

作　　者：孙水发[1] 李海军[1] 蒋铭[1] 万钧力[1] 

机构地区：[1]三峡大学电气信息学院,宜昌443002

出　　处：《信息技术》2007年第9期8-11,15,共5页Information Technology

基　　金：湖北省教育厅自然科学基金(D200613003)

摘　　要：给出了一个完整的数字图像水印通信系统模型,对其中各个功能模块进行了分析。从应用的角度给出了数字水印的分类方法,给出了包括数字版权保护,数字指纹在内的数字水印技术的几个典型应用,在这些应用环境下对水印算法的具体要求进行了详细的分析。研究具体的数字水印技术的应用及其环境,分析其对数字水印技术的要求,对设计相应的数字水印算法将具有一定指导作用。A completed communication model of digital watermarking is given and its＇ modules are analyzed. Several differential methods for digital watermarking are given. Some performance parameters, such as percep- tive quality, reliability in detection and payload capacity are defined and their relationships are analyzed. Some apphcations of digital watermarking, including proofing of ownership and fingerprinting, are described and the requirements of these applications are analyzed in detail.

关 键 词：数字水印 应用 需求分析 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]