搜索资源列表
LogisticWatermark
- MATLAB置乱加密DCT水印-MATLAB is scrambled DCT watermark
watermark
- 对图像进行dct变换,然后将信息嵌入(4,4)系数上,并对其进行提取-Dct transform on the image information embedding, then the coefficient of the (4,4), and its extraction
watermark
- set the dct blocksize.find highly uncorrelated sequences.determine size of cover image.determine maximum message size based on cover object,& blocksize.generate shell of watermarked image- set the dct blocksize.find highly uncorrelated sequences.de
DCT
- 基于DCT的水印嵌入程序,效果不错,大家-DCT-based watermark embedding process, the effect is good, we try
Progetto_Watermark
- project dct watermark matlab
DCT-and-dwt-watermarking-algorithm
- 基于DCT&DWT的数字水印算法包括水印的嵌入提取,常规的信号处理攻击及水印的评估标准-关闭翻译英语中文德语检测语言 中文(简体)英语日语 翻译文字或网页 基于DCT&DWT的数字水印算法包括水印的嵌入提取,常规的信号处理攻击及水印的评估标准 请键入文字或网站地址,或者上传文档。 取消 Jīyú DCT&DWT de shùzì shuǐyìn suànfǎ bāokuò shuǐyìn de qiànrù tíqǔ, chángguī de xìnhào chǔl
watermark-JPEG-and-DCT
- 自己总结的关于JPEG压缩的过程以及DCT变换的步骤-The main story about those files is the process of JPEG compression and DCT transform
watermark-(2)
- 基于DCT的数字图像水印处理之图像加载篇-DCT-based image loading papers of digital image watermarking
DCT
- 利用DCT方法,嵌入水印。可设置像素修改值、选择各种经典的攻击方式和控制攻击强弱。返回提取的水印信息和峰值信噪比。利用Matlab编写。-The use of DCT approach, embedding the watermark. Modify pixel values can be set to choose a variety of classic attacks and control the strength of the attack. Back to extract the w
DCT-B
- 基于DCT域B分量的数字水印技术,并且能显示水印及B分量的能力分布-B component-based DCT domain digital watermarking technology, and can display the ability to watermark and B component distribution
KODE-DCT-SVD-WATERMARK
- code matlab for digital watermarking using DCT-SVD
watermark
- DCT数字水印算法的matlab实现,该程序反映了DCT算法的强健性和鲁棒性。-DCT watermarking algorithm of matlab, the program reflects the DCT robustness and robustness of the algorithm
Fft
- DCT水印制作,完成功能有水印制作,去噪点和水印提取。-DCT watermark
DCT---Copie
- dct algorithm watermark
DCT
- 基于DCT域的数字水印算法主要包括水印调制、水印嵌入和水印提取,首先在嵌入载体图像之前用Logistic混沌序列对水印进行调制,得到一个只有+1和-1随机序列的水印,同时将载体图像进行全局DCT变换,然后将水印图像嵌入人类视觉系统最重要的部分,即DCT最大的系数,DC(Direct Current)部分也包含在这最大的系数中,这部分的系数满足人类视觉特性,会使水印嵌入的性能更好。嵌入算法是将水印与这些系数进行相乘获得新的系数,再用新的系数来替换原来的系数,即获得嵌入水印后的离散余弦域的图像,然后
dct
- 基于离散余弦变换即dct变化的水印图片的嵌入与提取-Dct change based on embedding and extracting watermark
DCT
- 这段程序是,J(p,q)代表的二值水印图像,二值水印图像的像素值只有0和1,所以if J(p,q)==0,a=-1 ,是如果水印图像像素值是0的话,让a=-1,当水印像素值为1的话,让a=1,我个人认为是为了提取时候好提取-DCT digital watermark embedding and extraction of
dct
- dct离散余弦变换嵌入水印的程序,可将水印信息嵌入-Discrete cosine transform watermark program, to embed the watermark information
MATLAB-DCTshuiyinyuandaima
- MATLAB DCT水印源程序代码,实现效果较好的DCT水印-MATLAB DCT watermark source code to achieve better-DCT watermark
Digital-Water-Dct-Algorithm
- 将水印图像二值化后,进行n次Arnold变换置换,使能量均匀分布在水印图像的整个空间。然后,根据载体图像的特征,分解出彩色图像的亮度分量,再将置乱后的水印图像嵌入其低频位置。对检测出的信息进行n次反Arnold置乱后,就可以提取出水印图像-After the watermark image binarization, Arnold transform n times replacement, the energy evenly distributed throughout the space w