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Received:March 16, 2012
Received:March 16, 2012
中文摘要: 随着图像处理技术的快速发展,数字图像被广泛地应用于互联网.与此同时,视觉上难以觉察的篡改图像也日益泛滥.数字图像被动取证作为一种不依赖任何预签名提取或预嵌入信息来鉴别图像真伪和来源的技术,正成为多媒体安全领域新兴的研究热点,有着广泛的应用前景.
Abstract:Digital images are widely used in the Internet and many other applications． As image processing techniques are developing at a rapid speed，tampering digital images without leaving any obvious traces becomes easier and easier． Passive image forensics，a technology of detecting image authenticity and source without relying on any pre-extraction or pre-embedded information，has become a hot topic with a promising prospect in multimedia security．
keywords: digital forensics image forgery tampering identification digital watermark passive image forensics
文章编号：20120417 中图分类号： 文献标志码：
基金项目:上海市自然科学基金(11ZR1414300);上海市教育委员会科研创新项目(11YZ194);上海电力学院人才引进基金(K2010-020)
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