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真伪之辨——数字图像的防伪认证 被引量：1

Is It Fake?——Image Authentication and Forgery Detection
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摘要 数码相机日益普及,数字图像已进入日常生活。以PS为代表的图像处理软件为人们提供了编辑和修改数字图像的有力工具,但同时也成为篡改图像的工具。数字照片被篡改和伪造的事件时有发生,眼见不再为实。采用图像处理和统计分析技术鉴别照片的真伪,揭示篡改造假的事实,进行数字图像防伪认证,确保图像内容完整和真实是信息安全领域的前沿课题。图像被动认证完全根据图像本身而不依赖任何附加信息进行篡改检测,具有重要的学术意义和应用价值,是图像处理和信息安全研究者面临的重大挑战。 Digital photography has become increasingly popular, and digital image processing is now performed by ordinary people, not just professionals. With the widespread use of image editing tools such as Photoshop, one can easily modify a picturc for better visual quality, or for artistic creation. However, these picture manipulation tools also provide a convenient means to produce fake images. Seeing is no more believing. Image authentication is an important research topic in the field of information security and multimedia applications. The aim is to detect malicious forgery and ensure credibility and integrity of the con- tents contained in digital images. Passive image authentication relies only on the image itself without the aid of any additional information. It has significance both in academia and practical applications, and poses great challenge to the researchers in the areas of image processing and information security.
作者 王朔中 吴酋珉
机构地区 上海大学通信与信息工程学院
出处 《自然杂志》 北大核心 2010年第5期281-287,I0002-I0003,共9页 Chinese Journal of Nature
基金 国家自然科学基金项目(60773079 60872116)
关键词 信息安全 图像处理 被动认证 篡改检测 information security, image processing, passive authentication, forgery detection
分类号 TP391.41 [自动化与计算机技术—计算机应用技术]
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参考文献32

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二级参考文献24

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自然杂志
2010年 第5期

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