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DCT
- dct变换的源代码，非常使用的代码。二维的-dct transform the source code, the code is used. Two-dimensional
two_d_dct_serial
- 二维DCT变换，采用查找表的方法实现算法，分别通过列变换，再通过行变换，通过加法器乘法器以及流水线技术得出更快的结果！-two-dimention DCTtransform,the algorithm was implemented by look up table,via row trasforming and colum trasforming respectively
pic393
- 频域法加入数字水印的原理是首先将原始信号（语音一维信号、图像二维信号）变换到频域，常用的变换一般有DWT、DCT、DFT、WP和分形。然后，对加入了水印信息的信号进行频域反变换（IDWT、IDCT、DFT、WP），得到含有水印信息的信号。-Frequency-domain digital watermarking method by adding the principle is that first of all, the original signal (voice signal of on
miyao
- 本文提出了基于二维混沌映射的数字图像水印算法，混沌具有随机性、似噪声及对初始条件的极端敏感性等特点。将经过二维混沌映射置乱后的数字水印信号嵌入图像小波域的低频系数，实现了数字水印的隐蔽性、保密性和稳固性；利用二维混沌映射Arnold变换对水印信号进行置乱，不仅增强了水印信号保密性，同时有效提高了视觉上抵抗图像剪切攻击的能力。-In this paper, two-dimensional chaotic map based on digital image watermarking algorit
aaa
- 图像文件操作 二维傅立叶的正变换以及二维傅立叶的反变换-Image file operation is two-dimensional Fourier transform, as well as the anti-two-dimensional Fourier transform
jatxcl
- 简单的图像亮度处理程序，二维傅立叶变换，以及简单的处理等-Image brightness simple process
2D-graphics
- 演示使用矩阵实现二维图形的变换，没有很深的讲解，朋友们仅作参考-Demonstration of the realization of two-dimensional graphics using the matrix transformation
final
- 二维傅里叶变换程序，可以进行复数二维傅里叶变换，图像的简单处理等。-Two-dimensional Fourier transform process can be complex two-dimensional Fourier transform, image processing and so simple.
61549835image-compress-denoise
- 图像压缩去噪增强锐化程序，供大家参考。 包括：数字图像矩阵数据的显示及其傅立叶变换 二维离散余弦变换的图像压缩 采用灰度变换的方法增强图像的对比度 采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 图像的自适应魏纳滤波 运用5种不同的梯度增强法进行图像锐化 图像的高通滤波和掩模处理 利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理 利用巴特沃斯（Butterworth）高通滤波器对图
GQEx4
- 任一直线反射变换的变换矩阵，并利用该矩阵对一个已绘制出的二维图案进行变换。-Either a straight line reflecting the transformation matrix transformation and using the matrix has been drawn out of a transformed two-dimensional patterns.
FFT(DFTcomplexarray)twodimension
- 多维傅里叶变换，二维DFT快速算法，共分五部--二：二维复序列行列算法-Multi-dimensional Fourier transform, fast algorithm for two-dimensional DFT is divided into 5- 2: two-dimensional complex sequence algorithm ranks
FFT(DFTcomplexarray)threedimension
- 多维傅里叶变换，二维DFT快速算法，共分五部--四：三维复序列3D-DFT快速算法-Multi-dimensional Fourier transform, fast algorithm for two-dimensional DFT is divided into 5- 4: Three-dimensional complex sequence of 3D-DFT Fast Algorithm
FFT(DFTrealarray)threedimension
- 多维傅里叶变换，二维DFT快速算法，共分五部--五：三维实序列3D-DFT快速算法-Multi-dimensional Fourier transform, fast algorithm for two-dimensional DFT is divided into 5- 5: Three-dimensional real sequence of 3D-DFT Fast Algorithm
IDC
- 用matlab实现了二维离散余弦变换，内涵多个M文件，使用时请读者注意-Using matlab to achieve the two-dimensional discrete cosine transform, meaning more than M files, use the reader' s attention when you
DWT
- 对图像进行二维小波变换，变换后的二维图像将分为四个子带。-The image two-dimensional wavelet transform, the transformed two-dimensional image will be divided into four sub-band.
fft
- 图像处理中对二维图像进行fft变换时需要用的fft程序-Image processing two-dimensional images of fft transform procedure when the need for fft
MATLAB
- 基于matlab的图像处理程序，主要针对二维灰度图像进行相位和幅度的变换。-Matlab-based image processing procedures, mainly for two-dimensional gray-scale images of the transformation phase and amplitude.
mychange
- 基于MATLAB6.5的二维灰度图像处理源文件，M-file，运用傅里叶变换和傅里叶反变换进行幅度和频率的调整。-Based on two-dimensional gray-scale image processing MATLAB6.5 source files, M-file, the use of anti-Fourier transform and Fourier transform amplitude and frequency adjustments.
MATLAB
- MATLAB小波变换处理二维图像,MATLAB小波变换处理二维图像-MATLAB Wavelet Transform two-dimensional image processing
Tran1
- 实现二维图形变换 包括平移 旋转 错切 对称 放缩等-Achieve the two-dimensional graphics transformations, including translation rotation shear scaling symmetry, etc.