搜索资源列表
logistic_DWT
- 数字水印的matlab程序 嵌入 提取的全过程，小波域 ，空间域-digital watermark embedded in the extraction process Matlab the entire process, wavelet domain, the spatial domain
Langelaar_WatermarkSpatialDomainAlgorithm
- Spatial Domain Watermark algoritm of Langelaar for semitone digital images
coduri
- matlab code for spatial watermarking .recover also the watermark.-matlab code for spatial watermarking .recover also the watermark.
kongjiancrsy
- 脆弱水印的编程实现是一种基于空间域的脆弱数字水印如何嵌入 脆弱水印的编程实现-Programming fragile watermarking is based on spatial domain fragile watermarking to embed the fragile watermark Programming
MATLABwatermarking
- 数字水印的一些源代码及各种不同空域和变换域资料-Some watermark source code and a variety of different spatial and transform domain data
conrecov
- 比较为基础的相关使用空间域使用两个伪序列块处理 为“0 1”，另一个是“1”水印恢复-Comparison-Based Correlation using block processing in the spatial domain Uses two PN sequences one for a "0" and another for a "1" Watermark Recovery
coxqian
- 水印嵌入 扩频算法 使用了空域算法 实现水印嵌入-Watermark embedding algorithm uses the spatial spread spectrum watermark embedding algorithm
watermark-LSB-algorithm-
- 数字水印技术在空间域的最低有效位（LSB）算法，包括水印信息的嵌入和水印信息的提取。-Spatial domain digital watermarking technology in the least significant bit (LSB) algorithm, including the watermark embedding and watermark extraction.
Scrambling-technology-application
- 研究了一种图像水印技术, 该算法利用人类视觉系统( HVS)的特性, 根据JPEG量化表自适 应地调整, 采用随机置乱变换的方法进行空域关系调整, 将水印嵌入到图像的DCT 低频分量中-A kind of image watermarking techniques, the algorithm uses the human visual system (HVS) characteristics, according to adaptively adjust the JPEG quantiza
spatial-block-PN-watermarking
- 未经任何变化的原始图像上分块嵌入水印信息，且用伪随机序列作为水印，空域图像水印。-Without any change in the original image block embedded watermark information, pseudo-random sequence as a watermark, the airspace image watermark.
spatial-domain-watermarking
- 空域水印图像，没采用分块技术，，水印为伪随机序列，算是图像水印初学者该会的第一个程序，在此基础上进一步深入学习。-Airspace watermark image, not using the block technique, the watermark is a pseudo-random sequence can be regarded as image watermarking beginners the first program, on the basis of further stu
Semi-fragile-spatial-watermarking
- 提出一种基于图像认证的半脆弱数字水印算法。该算法具有较好的自适应性，采用改进的低通滤波器，根据人眼的分辨能力设定 梯度阈值。实验结果证明，该算法对常规图像处理操作具有较强的鲁棒性，能够抵御JPEG顶级有损压缩，同时对于恶意篡改攻击(擦除、扭曲、挤压、光照等操作)表现出脆弱性，可检测出篡改的痕迹和类型。 -A semi-fragile watermark algorithm for image authentication is proposed, which has adaptabilit
PMatermarkingr
- 提出一种基于DWT和DCT域的有意义二值图像数字水印算法 利用Arnold变换对水印序列进行置乱,消除象素的空间相关性,增加水印的安全性 而结合小波波变换和离散余弦变换的特性,将水印信息嵌入到图像变换域的低频和中频系数中,提高水印的鲁棒性和不可见性 实验证明该算法具有较好的抗压缩、抗噪音和抗剪切性。 -Making meaningful binary image digital watermarking algorithm based on DWT and DCT domain using
watermark
- 文件夹LSB中是空域LSB算法程序，文件夹COX中是Cox算法主要程序，文件夹DCT中是频域加在中频的算法的程序。 步骤：把LSB，COX，DCT三个文件夹考在MATLAB目录下； 运行lsb_embed,programme,dct2_embed_mod即可。其中PSNR.m是计算峰值信噪比程序；attact.m & robust.m是攻击程序。-Content: folder LSB of spatial LSB algorithm program, folder COX Cox a
embed-watermark--based-a-word
- 基于一个字嵌入水印0和1bit,原理是将图像转换到空间域后选择系数类嵌入水印，能抗打印扫描攻击-based on a word and embedding watermark 0 1bit, the principle is to convert the image into the spatial domain selection class watermarked coefficient,
Kutter-WM
- watermarking algorithm of Kutter-Jordan-Bossen. image-watermark embed in BMP image + extraction. simple, but interesting watermarking algorithm worked in spatial domain of image
wavelet
- 空间域数字水印、小波域数字水印、水击攻击、水印提取-Spatial domain digital watermark, wavelet domain digital watermark, water hammer attack and watermark extraction
watermark
- SPATIAL DOMAIN WATERMARKING WITHOUT CONTENT ALTERATION