搜索资源列表
novaDCT
- watermarking DCT matlab
dct-dft-wmaaking
- 数字水印嵌入和提取算法 包含时空域和变换域的算法的matlab实现-Airspace and transform domain algorithm matlab achieve the digital watermark embedding and extraction algorithm contains
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
DCT
- 基于DCT数字水印算法的Matlab实现源代码-DCT-based digital watermarking algorithm Matlab source code
dct-dft--dwt
- 基于Matlab的压缩感知DCT、DWT、DFT正交基及过完备字典稀疏分解信号及重构-Matlab-based compression perception DCT, DWT, DFT orthogonal basis and complete dictionary signal sparse decomposition and reconstruction
DCT
- 基于dct变换，实现matlab图像压缩源码，很有意思-Based on DCT transform, matlab image compression source code, very interesting
MATLAB
- DCT转换用原图图像压缩的适合初学者，具有一定的参考价值-DCT transform image compression using artwork suitable for beginners, has a certain reference value
matlab
- 数字图像处理matlab实验源程序 DCT变换 FFT变换等-Digital image processing matlab source experiment
DCT
- 用matlab实现图像的DCT变换,将高频细节点忽略达到压缩的目的-Using matlab image DCT transformation, the high-frequency detail to achieve the purpose of compression point ignored
数字图像处理DCT矩阵分块变换matlab程序
- 数字图像处理DCT矩阵分块变换matlab程序
DCT-based-image-coding-
- 基于DCT变换的图像压缩matlab实现，开发环境为matlab-DCT-based image compression matlab implementation, development environment for matlab
JPEG-DCT
- JPEG中DCT 变换在 matlab中的实现 相当简便-JPEG in the DCT transform in matlab in the realization of a very simple
dct
- 这是一款matlab相位解包裹源代码.将由四步相移法得到的相位主值展开。-This is a phase unwrapping matlab source code will be four-step phase shift method to get the main value of the expansion phase.
DCT-Video-Compression
- 基于matlab平台，通过DCT算法来对视频进行压缩。代码包括视频分解成帧，DCT算法压缩，帧合成视频，以及综合的视频压缩M文件，可以直接仿真。有相应的图片，以及压缩前后的视频，还有原理word报告。-Based on matlab platform, through DCT algorithm to compress the video. Code includes video decomposition framing, DCT compression algorithm, frame co
matlab
- 基于DCT的图像处理，MATLAB例程。。 。。、-DCT-based image processing, MATLAB routines. . . . . . ,
matlab
- 基于DCT数字水印算法的Matlab实现源代码,1. 将文字水印和图像水印转换为二值序列水印； 2. 对水印进行置乱，提高其安全性； 3. 选择合适大小的块，给出DCT域中频分块编码方案；-DCT-based digital watermarking algorithm Matlab source code, a text watermark and image watermark converted into a binary sequence watermark .. 2 wa
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
- 基于dct的数字水印源程序，是matlab代码，并且带有解释信息-Dct-based digital watermarking source is matlab code, and with explanatory information
MATLAB-DCTshuiyin
- matlab for dct shuiyin
MATLAB
- DCT图像压缩,编译器/解释器，书籍源码，图形图像处理-DCT image compression, the compiler/interpreter, source books, graphics and image processing