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数字水印的matlab程序 嵌入 提取的全过程,小波域 ,空间域-digital watermark embedded in the extraction process Matlab the entire process, wavelet domain, the spatial domain
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Spatial Domain Watermark algoritm of Langelaar for semitone digital images
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脆弱水印的编程实现是一种基于空间域的脆弱数字水印如何嵌入
脆弱水印的编程实现-Programming fragile watermarking is based on spatial domain fragile watermarking to embed the fragile watermark Programming
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数字水印的一些源代码及各种不同空域和变换域资料-Some watermark source code and a variety of different spatial and transform domain data
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比较为基础的相关使用空间域使用两个伪序列块处理 为“0 1”,另一个是“1”水印恢复-Comparison-Based Correlation using block processing in the spatial domain
Uses two PN sequences one for a "0" and another for a "1"
Watermark Recovery
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数字水印技术在空间域的最低有效位(LSB)算法,包括水印信息的嵌入和水印信息的提取。-Spatial domain digital watermarking technology in the least significant bit (LSB) algorithm, including the watermark embedding and watermark extraction.
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空域水印图像,没采用分块技术,,水印为伪随机序列,算是图像水印初学者该会的第一个程序,在此基础上进一步深入学习。-Airspace watermark image, not using the block technique, the watermark is a pseudo-random sequence can be regarded as image watermarking beginners the first program, on the basis of further stu
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提出一种基于DWT和DCT域的有意义二值图像数字水印算法 利用Arnold变换对水印序列进行置乱,消除象素的空间相关性,增加水印的安全性 而结合小波波变换和离散余弦变换的特性,将水印信息嵌入到图像变换域的低频和中频系数中,提高水印的鲁棒性和不可见性 实验证明该算法具有较好的抗压缩、抗噪音和抗剪切性。
-Making meaningful binary image digital watermarking algorithm based on DWT and DCT domain using
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文件夹LSB中是空域LSB算法程序,文件夹COX中是Cox算法主要程序,文件夹DCT中是频域加在中频的算法的程序。
步骤:把LSB,COX,DCT三个文件夹考在MATLAB目录下; 运行lsb_embed,programme,dct2_embed_mod即可。其中PSNR.m是计算峰值信噪比程序;attact.m & robust.m是攻击程序。-Content: folder LSB of spatial LSB algorithm program, folder COX Cox a
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seminar report on digital watermarking in spatial domain
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基于一个字嵌入水印0和1bit,原理是将图像转换到空间域后选择系数类嵌入水印,能抗打印扫描攻击-based on a word and embedding watermark 0 1bit, the principle is to convert the image into the spatial domain selection class watermarked coefficient,
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watermarking algorithm of Kutter-Jordan-Bossen. image-watermark embed in BMP image + extraction. simple, but interesting watermarking algorithm worked in spatial domain of image
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空间域数字水印、小波域数字水印、水击攻击、水印提取-Spatial domain digital watermark, wavelet domain digital watermark, water hammer attack and watermark extraction
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SPATIAL DOMAIN WATERMARKING WITHOUT CONTENT ALTERATION
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