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SwQanbComVC
- 基于扩频的水印技术算法,用VC++实现,各种算法dct变换域、小波域算法-based on spread-spectrum technology watermark algorithm, with VC, algorithms Extra transform domain, wavelet domain algorithm
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
digital-watermark-embedding
- DCT数字水印嵌入程序,完成数字水印的嵌入功能-DCT digital watermark embedding program Complete the digital watermark embedding function
Add-a-watermark
- 基于DCT的图像水印的添加,内含原图和水印,以及运行结果-DCT-based image watermarking, including original and watermarks, and running results
watermark
- DCT域图像水印:一种嵌入对策和算法(上课时用到的)-DCT Domain Image Watermarking: Embedding Countermeasures and Algorithms
Information-hiding-based-on-DCT
- 基于DCT信息隐藏,实现图片中嵌入水印,并提取出水印-Based on DCT information hiding, to achieve the watermark embedded in the image, and extract the watermark
鲁棒性数字水印的设计与仿真
- 在彩色图像中嵌入二值灰度水印。有两种算法,第一种嵌入在yuv模型的y层整体系数上,第二种嵌入在rgb模型r层直流系数上。本科毕设题目,希望可以帮到你。(Two valued gray watermark is embedded in color image. There are two algorithms. The first one is embedded in the overall coefficients of the Y layer in the YUV model, and the
水印
- dct变换嵌入水印并实现提取,最后测试三种不同攻击对水印的影响(The DCT transform embeds watermark and realizes the extraction. Finally, the influence of three different attacks on watermark is tested)
watermarking-hybrid-DWT-DCT-SVD-master
- 一段简单有效使用的数字水印嵌入的实现,简单有效(A useful watermark program ithink)
8-8DCT变换verilogHDL代码
- DCT变换实现图像压缩及嵌入水印等,内含测试文件及DCT算法讲解(Image compression and embedding watermark by DCT transform)
图像水印
- 基于DCT,DWT,SVD的图像鲁棒水印算法,并在GUI界面展示(Image watermark algorithm based on DCT, DWT, SVD and displayed on GUI interface.)