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harisuciciwatermark
- 于内容的图像认证技术是一种新颖的图像信息安全技术，用来验证数字图像内容的完整性与真实 性。本文介绍了基于内容的图像认证技术的分类、发展历史和研究现状，并针对其现有算法的缺陷，对未来的发 展趋势和应用进行了展望。 -content in the image authentication technology is a novel image information security technology, used to verify digital image content aut
dwtshuzishuiyin
- 摘 要 数字水印技术是近年来图像保护技术研究领域的一个热点,本文提出了一种基于小波变换的图像数字 水印嵌入算法的Matlab实现\"实验结果表明,该算法具有较好的视觉效果和透明性\" 关键词 图像保护 小波变换 数字水印 Matlab-Abstract digital watermarking technology is the image in recent years to protect technical fields of study a hot, This paper pre
dicomPapyrustoolkit3
- dicom编程类库可使用这一类库进行开发-dicom programming library can be used for the development of this class library
Digitalwatermark
- 水印嵌入及多种攻击源码，源码当中有整个源码的详细说明-watermark embedding and various attacks source, which is the entire source of detailed source
1_embed
- DCT水印设I 为载体数据,W 为水印信号, K 为密钥,那 么嵌入水印后的载体Iw 可描述为[124 ] : Iw = F( I ,W , K) . (1) 式中, F 表示水印的嵌入策略。-I as a carrier of data, W for the watermark signal, K key, Then the watermark embedded vector can be described as Iw [124] : F = Iw (I, W, K). (1)
1_recover
- 设I 为载体数据,W 为水印信号, K 为密钥,那 么嵌入水印后的载体Iw 可描述为[124 ] : Iw = F( I ,W , K) . (1) 式中, F 表示水印的嵌入策略。-established as a carrier of data, W for the watermark signal, K key, Then the watermark embedded vector can be described as Iw [124] : F = Iw (I, W, K).
2_embed
- 设I 为载体数据,W 为水印信号, K 为密钥,那 么嵌入水印后的载体Iw 可描述为[124 ] : Iw = F( I ,W , K) . (1) 式中, F 表示水印的嵌入策略。-established as a carrier of data, W for the watermark signal, K key, Then the watermark embedded vector can be described as Iw [124] : F = Iw (I, W, K).
3_embed_recover
- 设I 为载体数据,W 为水印信号, K 为密钥,那 么嵌入水印后的载体Iw 可描述为[124 ] : Iw = F( I ,W , K) . (1) 式中, F 表示水印的嵌入策略。-established as a carrier of data, W for the watermark signal, K key, Then the watermark embedded vector can be described as Iw [124] : F = Iw (I, W, K).
TMPGEnc-0.11.27.111
- MPEG编码的源程序,值得参考,对初学者有一定的编程启发,-MPEG encoding of the source, is worth considering, for beginners to a certain extent inspired programming, Oh
2recover
- 将水印加在低频区域可以具有较好的鲁棒性 将水印加在高频区域可以获得较好的透明性, 但鲁 棒性差 将水印加在中频区是一种鲁棒性与透明性 的折中方案。-watermark added to the low-frequency region can have good watermark robustness added to the high frequency region can be made good through Ming, but the poor robust wate
psnr1
- 嵌入水印后的图像与原 始图像在视觉效果上几乎一样,只在亮度上稍有不 图6 仿真实验结果 图7 仿真实验结果 同,提取出的水印图像与原图像基本一致。-embedded watermark image with the original image in the visual effects are almost identical, only slight brightness on the map six simulation results Figure 7 with th
oxWmk
- 随着信息技术的飞速发展,信息安全问题日益 严重,如何在不安全的环境下安全地保护私有信息, 成为一个重要的研究课题。-With the rapid IT development, and information security problems have become increasingly serious. how to work in an unsafe environment safe under the protection of private information, h