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New security and control protocol for VoIP based on steganography and digital watermarking
(关于ip telephone security的外文资料2006年)-New security and control protocol for VoIP based on steganography and digital watermarki Vi (ip telephone on the security
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多媒体信息的数字化,提高了信息表达的效率和准确度,而数字媒体的易于存储、复制、传播和修
改,使得数字多媒体版权盗用问题严重。数字水印技术作为版权保护和安全认证的有效工具,在快速发展的同时
得到了广泛的应用。-Digital multimedia information, improve the efficiency of expression of information and accuracy, while digital media is easy to store, copy,
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During the past four years, most of our research activities have been focused on image but also video
and 3-D objects processing for security applications (watermarking and biometrics) and communications
(talking heads, interfaces), with a specia
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数字水印技术目前
正处于一个快速发
展和持续深入的阶
段, 应用领域也在
快速扩展。
刀
市场经济飞速发展的今天, 这
对于企业形象和经济利益存在
严重损害危险的企业和数字产
品侵权的创作者来说, 无疑是
一个良好的解决方案。数字水
印及其应用技术不仅提供了突
破性的信息安全防护方式, 而
且在数字防伪中占据着重要的
地位, 这对维护国家经济秩序
是大有益处的。-Digital watermarking technology is cu
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On Designatedly Veried (Non-interactive)Watermarking Schemes-Although many watermarking schemes consider the case of
universal veri¯ ability, it is undesirable in some applications. Designated
veri¯ cation is a possible solution for this
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From Weak to Strong Watermarking-The informal goal of a watermarking scheme is to “mark” a digital object, such as a
picture
or video, in such a way that it is difficult for an adversary to remove the mark without
destroying the
conte
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数字水印及多媒体信息安全,对数字水印技术给出了较详细上网介绍,有助于初学者-Digital watermarking and multimedia information security, digital watermarking technology gives a more detailed Internet, help beginners
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随着信息技术的广泛应用,数字文明彻底改变了传统信息存储交流
形式,数字文件大量涌现,数字档案逐渐发展成为档案家族中重要的一
员。数字档案的广泛应用带来了一系列的便利和好处,但其安全维护及
合法使用问题也日益突出。在这一背景下,新兴的数字水印技术日益成
为解决数字档案信息安全的重要有效手段,它能有效地对数字媒体进行
版权保护及内容验证-With the extensive application of information technology, digital civili
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本文针对现有的二维条码嵌入数字水印算法所存在的水印信息嵌入量不够等问题,提出一种优化的数字水印嵌入二维条码的新方法,实现真正意义上的证件防伪,对二维条码在防伪领域上的应用深度和广度都有很大的提高。-In this paper, the amount of embedded watermark information is embedded digital watermarking algorithm exists enough problems for the existing two-dime
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