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digital-watermarking-algorithm
- 提出了一种鲁棒性数字水印算法。该算法中水印嵌入的位置和强度均与原始图像有关-A robust digital watermarking algorithm. The watermark embedding algorithm, the location and intensity of the original image on
Robust-Reversible-Watermark
- 一种可用于半脆弱认证的鲁棒可逆水印算法．-A novel reversible watermarking scheme is proposed
A-32D-Digital-Watermarking-System
- 基于虚拟光学信息隐藏理论提出了一种三维空间数字水印算法1 该数字水印算法能成为 一种多媒体数据产权保护的有效方案1 对算法的测试结果表明,该算法对于噪音叠加、剪切、旋转、 有损压缩等常见的图像处理操作具有较高的鲁棒性1 由于引入了虚拟光学信息隐藏思想,将虚拟 光路的几何结构参数作为密钥,设计出了多重“锁”和多重“密钥”1 随机模板编码技术的引入,更进 一步提高了数字水印系统的密钥空间. 仿真实验结果表明该算法具有很好的安全性1- A new approach to digital
report-eric
- Abstrak Laporan ini mengusulkan suatu metoda pemberian signature untuk verifikasi penelepon dengan sistem kunci publik. Signature yang diberikan berasal dari keluaran fungsi Hash khusus yang dienkripi menggunakan RSA. Sinyal telepon yang ana
Fundamentals_of_Digital_Image_Processing_-_Anil_K
- In this a DFT based Digital Image Watermarking Scheme is developed. Digital image watermarking is a technology for imperceptibly embedding various types of information into an image. The biggest challenge for image watermarking is manipulations and d
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
dctadwt
- 基于DWT与DCT域相结合的音频数字水印的嵌入域提取代码，有着良好的鲁棒型及不可感知性。-Based on DWT and DCT domain, the combination of audio digital watermark embedding domain to extract the code, have a good robust type and to be perceived.
EG
- Matlab鲁棒水印添加、提取程序源代码，使用离散小波变换方法。鲁棒性优秀，可实现盲水印。-Matlab robust watermarks, extract the source code, using the discrete wavelet transform method. Excellent robustness can achieve the blind watermark.
DWT-improvedaimage
- 基于DWT的水印算法 对图像进行二层小波分解，提取出二层低频系数，随机选取一些像素，根据选定像素与其邻居的关系，确定水印的值 水印是根据图像来获得的，而不是提前得到的 根据论文 An Improved Robust Watermarking Technique in Wavelet Domain 编写-Based DWT watermark algorithm Layer wavelet decomposition, the image is extracted Layer low
A-Watermarking-Algorithm(MATLAB)--
- 盲水印提取时不需要参考原始载体图像,在信息隐藏、版权保护等方面具有更广泛的应用前景。提出的盲水印算法在分块离散余弦变换(DCT)和离散小波变换(DWT)的基础上,利用关系双方DCT系数和DWT系数在受到攻击时具有相同变化趋势的特点,采用关系嵌入和量化嵌入的自适应选择嵌入策略,较大幅度地提高了盲水印提取的鲁棒性。同时在量化嵌入中采用抖动调制,实现了水印透明性和鲁棒性调节的便捷性。大量仿真实验结果表明该算法对噪声干扰、低通滤波、JPEG压缩、对比度增强等攻击有很好的鲁棒性和透明性。关键词 数字水印盲
shuiyin
- LSB 方式信息隐藏算法鲁棒性较差，为加大水印攻击难度，可采用一段伪随机序列来控制水印嵌入位置。-LSB mode information hiding algorithm less robust, in order to increase the difficulty of watermarking attack, a pseudo-random sequence can be used to control the watermark embedding locations.
Color-DWT-SVD-watermarking
- Watermark A visible or invisible signature embedded inside an image to show authenticity or proof of ownership. The hidden watermark should be inseparable the host image, robust enough to resist any manipulations while preserving the image quality. T
1
- A new method of video scene content characteristic detection is proposed. This method can be applied in conjunction with digital watermarking schemes in order to improve the transparency. In addition, new methods of video watermarking are also pr
Image-Watermarking-using-Tetrolet-Transform
- This paper proposes new watermarking technique based on Tetrolet domain. The Tetrolet transform is a new adaptive Haar-type wavelet transform based on tetrominoes. It avoids Gibbs oscillation because it applies the Haar function at the edge of the im
04721349
- Speech Based Watermarking for Digital Images This paper presents a novel scheme of watermarking of digital images for copyright protection and authentication. In this paper we proposed a method of embedding owner’s speech signal. Speech being
05396172
- In this paper we proposed a method of embedding owner’s speech signal. Speech being a biometric data, the watermark signal in this method is expected to be more meaningful and has closer correlation with copyright holder. The main issue of co
ydhtnk0
- 水印的MATLAB傅立叶算法 有较强的鲁棒性能,不错的源码-Watermark Fourier algorithm in MATLAB has the strong robust performance, good source
the
- 水印的MATLAB傅立叶算法 有较强的鲁棒性能,不错的源码-Watermark Fourier algorithm in MATLAB has the strong robust performance, good source
cgiontemporary
- 水印的MATLAB傅立叶算法 有较强的鲁棒性能,不错的源码-Watermark Fourier algorithm in MATLAB has the strong robust performance, good source
elgorithm
- 水印的MATLAB傅立叶算法 有较强的鲁棒性能,不错的源码-Watermark Fourier algorithm in MATLAB has the strong robust performance, good source