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DCTcode
- 本程序实现了数字图像水印的DCT变换嵌入算法，是很常见的经典算法！-This procedure achieved a digital image watermark embedding algorithm of DCT transform, is a common classical algorithm!
DCTsourcecode
- 在视频编码中常用的一种变换,离散余弦变换[DCT].此程序用C语言编写成源码,并经调试通过.-The DCT is the commonly transform.The program is compile by c language.
test_dct
- 本程序是在VC++编译环境下，用纯C语言编写的2D-DCT变换，程序中用的是一个4*4的矩阵进行的变换，可以改为对一幅图像进行。运算结果正确，在Matlab中进行了检验，dct2()指令即进行DCT变换。有一定的参考价值。-This procedure is in VC++ compiler environment, written in pure C 2D-DCT transform, the program used is a 4 x 4 matrix for the transformat
zhdct2
- 这个程序是根据离散余弦变换的公式实现的DCT变换程序，能够帮助初学者理解离散余弦变换的过程。-This procedure is based on discrete cosine transform DCT-formula implemented procedures to help beginners understand the discrete cosine transform process.
test_dct
- 本程序是在VC++编译环境下，用纯C语言编写的2D-DCT变换，程序中用的是一个4*4的矩阵进行的变换，可以改为对一幅图像进行。运算结果正确，在Matlab中进行了检验，dct2()指令即进行DCT变换。有一定的参考价值。-This procedure is in VC++ compiler environment, written in pure C 2D-DCT transform, the program used is a 4 x 4 matrix for the transformat
multi_watermark
- 包含了DCT、DWT、LSB的数字水印算法以及程序的解释，并且有CONTOURLET变换的详细步骤 -Includes DCT, DWT, explain LSB digital watermarking algorithm and program, and there CONTOURLET transform detailed steps
DCTSUANSHUIYIN
- 这个程序再matlab2012b版本上调试成功，以前在毕业设计的时候在网上找到的资料，希望对大家有用，数字水印算法实现（matlab程序包），包含有DCT水印嵌入算法，DWT水印嵌入算法，以及水印攻击和性能测试程序。参考价值极大-This program debug version then matlab2012b success in graduate design information previously found on the Internet when we want to be
DCTyinxie
- 图像的DCT变换域的隐写matlab程序代码-DCT transform domain image steganography matlab code
ShowBit
- c++实现的数字图像处理程序，包括平移，剪切，锐化，模糊，傅里叶变换，dct变换等-c++ implementation of digital image processing procedures, including pan, cut, sharpen, blur, Fourier transform, dct transform
dct_photo_embedd
- 使用DCT变换对图像进行水印嵌入。有嵌入和读取水印程序，有参考图片。水印是从文件中读取，读取的水印也写入到另一个txt文件中。-DCT transform image using watermark embedding. There watermark embedding and reading program, a reference picture. The watermark is read from a file, read the watermark is also written t
Wavelet_OMP_dct
- 根据压缩感知理论编写匹配追踪算法OMP程序，实现对图像的分解与重构，稀疏基为DCT基。-According to the theory of compressed perception OMP matching pursuit algorithm procedures, implementation of image decomposition and reconstruction of sparse matrix for DCT.
dct_hide
- 基于变换域的图像隐写，DCT域隐写的加密程序。（解密程序没有写）-An encryption program about DCT hide.(No decryption promgram)
DCTaRebuild
- 该程序功能为对图像文件进行DCT变换，和系数置零后的重构。-The program functions as a DCT transform of the image file, and the coefficient of zero after reconstruction.
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
DPCM
- 采用matlab编写的DPCM程序，实现了DCT编码的功能-DPCM matlab prepared using procedures to achieve the DCT encoding function
zhiluanbianhuan
- 数字水印置乱变换频域插入程序，含有置乱变换与逆置乱算法，DCT运算与IDCT运算-Digital watermarking Scrambling frequency domain insertion procedure contains scrambling transformation and inverse scrambling algorithm, DCT operation and IDCT operation
Upload_Actual_JPEG
- matlab jepg压缩程序，详细代码函数，加完整例子，基于Dct变换-jepg compression program
ar-kalman
- LMS、LMS/DFT、LMS/DCT、卡尔曼滤波、AR谱分析和小波变换的程序-Program LMS, LMS/DFT, LMS/DCT, Kalman filtering, AR spectral analysis and wavelet transform
code
- 一个简单的程序，演示JPEG图片DCT系数的读取与写入。-A simple code to read and write the DCT coefficients of JPEG image.
dft
- 其中dft.m 是通过该程序同时输出图片1,2的R、G、B三通道的DFT正反变换图、相角图、幅度图，图片1,2的彩色DFT正反变换图以及DFT后图片1,2幅度相位信息置换后的彩色结果图。 dct.m是通过该程序显示“实验室用原图像”中的图片3的R、G、B三通道DCT正反变化对比图，变换系数图以及彩色DCT正反变换图。 compress.m是通过该程序输出图片3的保留n个DCT变换系数重构彩色结果图。需要说明的是其中决定保留系数个数n的mask矩阵需要手动更改。-Wherein