搜索资源列表
DCTDWT
- 基于DCT和DWT的图像水印算法,离散小波变换 离散余弦变换
Wavelet_watermark
- VC实现数字水印的嵌入和提取算法 二值图像嵌入灰度图像的DCT变换系数中
watermark
- 这个算法能使用DCT变换在图像中加入和检测出水印,抗干扰性能比较强,而且算法比较优化。-The algorithm can use the DCT transform in the image by adding and testing a watermark, a strong anti-interference performance, and optimization algorithms.
watermark
- 基于DCT的水印图像matlab代码,主要是水印嵌入和水印提取两大主要部分-DCT-based image watermarking matlab code, mainly watermark embedding and watermark extraction are two main parts
2
- matlab开发数字水印DCT与DWT(基于小波变换的静态图像数字水印方法研究)-development of digital watermarking matlab DCT and DWT (wavelet-based method for watermarking of still images)
Test001
- 基于DCT变换的数字水印设计,通过伪随机数产生高斯噪声并加入图像中,生成新的图像。-DCT-based digital watermark design, pseudo-random number generated by Gaussian noise and add the image to generate a new image.
231
- 使用DCT和小波变换提取数字图像水印并对水印进行评估-Use wavelet DCT and digital image watermarking and to evaluate the watermark
use_dct
- 利用DCT变换给图像插入水印信息,配有详细步骤说明- Use of DCT insert watermark to the image, with a detailed descr iption of the steps
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