搜索资源列表
数字水印
- 对原始信号做DCT的算法:Cox 和Piva 等人提出的DCT技术的经典之作。Cox利用随机数发生器产生标准正态序列作为水印信息对图像进行整体DCT变换后,选取除去DC系数之外部分较低频率系数叠加水印信息 Piva则修改整幅图像的中频部分。对原始信号分块后,再作DCT的算法:Hsu和Wu 把图像进行8*8分块,将一个二进制序列作为水印放入DCT的中频区;有些学者则计算整个图像的DCT,把一个实数序列嵌入DCT的中频系数上。选择中频区的好
数字水印源程序
- 用VISUAL C++实现几个数字水印算法,实现水印的嵌入与检测,达到水印的稳健传输。-Several algorithms for digital watermark in Visual C++,to test and embed the watermark and then transport it steadily.
visiblemark1
- 空域可视水印算法(matlab实现), 考虑了HVS特性,可见水印嵌入同时考虑了原图像和水印图像视觉特性。-airspace visual watermarking algorithm (Matlab achieved), in consideration of HVS features embedded watermark can be seen taking into account the original image and a
watermark综述+代码
- 数字水印算法实现(matlab程序包),包含有DCT水印嵌入算法,DWT水印嵌入算法,以及水印攻击和性能测试程序。参考价值极大-digital watermarking algorithm (Matlab package), including a watermark embedded DCT algorithm, DWT algorithm embedded watermark, watermark and attack and pe
多分辨水印的matlab简单程序
- 直接减压到matlab\work目录下就可以看到运行结果了,其中包括了位平面分解,量化嵌入(提取),图像的金字塔分解等的程序块。-decompression directly to the Matlab \ work on the directory can see the results, which included a bit plane decomposition, quantification embedded (extrac
水印matlab程序
- 有多个文件 可以根据文件名和注释进行选择 提取算法可以根据嵌入算法 自行写出 提供了较好的抗压缩和抗剪切的效果-a number of documents under the file name and choose Notes extraction algorithm can write their own algorithms embedded mention for a better compression and anti-sh
图像水印
- 由于考虑了HVS,本文算法较好地解决了水印透明性与算法鲁棒性之间的矛盾,使用该算法嵌入的水印具有较好的透明性-consideration of HVS, this algorithm can solve the watermark transparency and robustness to conflicts between the use of the embedded watermark algorithm has better
Make_chaos
- Make_chaos 将图像进行置乱,生成乱序图,以便进行水印嵌入-Make_chaos will Scrambling images, generate disorder plans for embedding
audioLSB
- 通过matlab实现对音频的LSB数字水印嵌入-through Matlab to achieve LSB digital audio watermark embedding
dwt_embed
- 简单的视频水印嵌入算法 matlab开发。-simple video watermarking algorithm developed Matlab.
wmlow
- 基于一级小波变换的将2值图像嵌入宿主图像低频子带的水印嵌入及提取算法-based on a wavelet transform the image of two images embedded host low-frequency band and the embedded watermark extraction algorithm
wm_noise
- 将基于小波变换的水印嵌入后的宿主图像加噪处理再提取灰度水印。-will be based on the wavelet transform the watermark embedded in the host Image Noise from Gray again watermark.
DCTWater
- 站长!这是DCT域的图像数字水印嵌入及提取程序!请查收!暂归入加密解密类别!-head! This is the DCT Digital watermark embedding and extraction procedure! Please find! Encryption and decryption temporarily classified categories!
DCT_watermark
- 全套的DCT域数字水印源代码(本人毕业设计成果)内容包括:水印嵌入,水印检测,攻击实验以测试鲁棒性,重要参数计算。希望对做数字水印的XDJM有所帮助。-complete DCT digital watermarking source code (I graduated design results) include : watermark embedding, Watermark detection, attack experiment
20060530192630257
- 粗略来看,数字水印系统包含嵌入器和监测器两大部分。嵌入器至少具有两个输入量一个是原始信息,它通过适当变换后作为待嵌入的水印信号,另一个就是要在其中嵌入水印的载体作品。水印嵌入器的输出结果为含水印的载体作品。,通常用于传输和转录。之后这-rough, digital watermarking system contains embedded devices and monitors two parts. Embedded device w
watermarking4
- 一种基于小波变换的灰度水印嵌入算法,将灰度水印图象嵌入到灰度图象中-based on wavelet transform gray embedding algorithm, gray images embedded watermark image of gray
dwtwatermark
- 图像先进行DWT一级分解,用两个不相关的伪随机序列分别代表水印信息中的0和1,潜入到小波分解后的LH和HL两个字图上。 注:整个算法分水印嵌入和水印提取两个部分。-images conduct a DWT decomposition, with two not related to the pseudo-random sequence representing the watermark of 0 and 1, sneaked in
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
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
blindwatermark
- 数字水印程序,包括多分辨嵌入水印、提取水印程序,盲水印嵌入、提取程序,以及滤波攻击和JPEG攻击程序,PSNR和相似度计算公式(MATLAB)-digital watermarking procedures, including multiresolution embedded watermark, watermark extraction procedure, blind watermark embedding and extract