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嵌入水印 (2)
- 此系统可以根据量化系数的选择不同而使水印信号的脆弱程度不同。由实验结果显示假如Q=1,当图像受到高斯噪声的攻击时,已经不能通过系统的认证。-system can quantify the different coefficients so fragile watermark signals to different degrees. From the experimental results show that if the Q = 1
基于神经网络的数字水印提取
- 基于神经网络的数字水印嵌入和提取,代码简单易用(matlab),自己辛辛苦苦编的。
数字水印
- 数字水印嵌入,可以防止盗版,可以在版权保护方面起到作用。
数字水印DCT变换
- 水印DCT变换嵌入
DCT交换中频系数嵌入水印
- DCT交换中频系数嵌入水印
量化水印嵌入
- 以量化方法嵌入水印信息
彩色数字水印嵌入技术
- 介绍了彩色数字水印嵌入技术,有一定参考性-introduced a color digital watermarking technique, a certain sexual reference
wmk_2d
- 在二维 RGB 图像中嵌入水印,其中图像的大小和水印图像的大小可以不一致-2D RGB images embedded watermark, which images the size and the size of the watermark image can be inconsistent
watermarkmatlab
- matlab嵌入水印源程序 在matlab中实现数字水印的嵌入,提取和检测-Matlab source watermark embedded in Matlab achieve digital watermark embedding and extraction and detection
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
blindDCT
- 一种基于DCT域盲数字水印嵌入程序,在DCT中频系数中嵌入水印,恢复時不用用到原始图像。-Based on DCT-domain blind digital watermark embedding process, in the intermediate frequency DCT coefficients to embed watermarks, when not used to restore the original image.
STDM
- 利用STDM方法嵌入水印信息,可设置量化步长,选择各种经典的攻击方式,控制攻击强弱,返回误码率和峰值信噪比-Stdm method using embedded watermark information, to set the quantization step size, choose a variety of classic attacks, controlling the strength of the attack and r
watermark
- 基于离散余弦变换的水印代码,可嵌入水印信息,提取水印信息以及抗攻击测试-Discrete cosine transform-based watermark code, can be embedded watermark information, extracting the watermark information, as well as anti-attack test
pcnnemb
- PCNN实现水印嵌入,利用PCNN对载体图象进行分割,找出边界,然后进行小波变换嵌入水印。-PCNN realize watermark embedding, using PCNN segmentation of vector images to identify the border, and then wavelet transform to embed watermarks.
fei
- 对图象进行离散小波变换然后嵌入水印在进行提取并检测-Of image discrete wavelet transform and then embedded watermark during the extraction and detection
WaterMark
- 图像水印源代码,通过对数字图像嵌入水印,保护版权-Image Watermarking source code, through the digital image embedded watermark, copyright protection
DCTchange
- matlab中的dct变换,在图像中利用dct变换嵌入水印,并提取-The dct matlab transformation in the image watermarking using dct transform, and extract
图像水印源代码
- 用于图像水印的源代码。将DCT系数大于阈值的前1000个系数进行修改嵌入水印
基于矩阵加密的数字水印
- 将待嵌入水印加密,采用密钥空间较大的多相矩阵加密,实现信息安全传输(To encrypt the watermark to realize the information security transmission)
DWT水印1
- 实现水印的嵌入与提取,计算PSNR值 同时对水印进行攻击(Embedding and extracting the watermark and calculating the PSNR value Attack the watermark at the same time)