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2维图像离散余弦变换
- 二维图像离散余弦变换:数字图像处理常用例程,可执行文件在Release中,具体说明见Readme。-two-dimensional discrete cosine transform image : Digital image processing routines used, in the Release executable file, specify see readme.
傅里叶变换
- 实现二维傅里叶变换,希望对需要的人有帮助
KL变换
- KL变换模式识别作业三 一、编程要求: 编程实现KL变换,并对TM六波段图像进行演算。 KL变换的思想是:从n维特征选取m维特征,删去的n-m维特征不一定就是无用的信息,如何在信息损失最小的情况下选取特征,在理论上就显得更严密些。通常采用正交变换,得到新的经变换的模式, 以保证信息损失最小情况下获得有利于分类的特征。 二、编程思想: 将6副图象依次输入获得灰度值存在一个6*size(size为一副图象的像素数)的二维数组中,计算每个波段的灰度均值,然后计算协方差矩阵,得出特征值
matlab
- 二维二进小波变换的Matlab实现,二维二进小波变换的Matlab实现-Two-dimensional dyadic wavelet transform of the Matlab implementation
FFT(DFTrealarray)twodimension
- 多维傅里叶变换,二维DFT快速算法,共分五部--三:二维实序2D-DFT列行列算法-Multi-dimensional Fourier transform, fast algorithm for two-dimensional DFT is divided into 5- 3: two-dimensional real column ordinal ranks of 2D-DFT algorithm for
frft
- 分数傅里叶变换程序,这个是二维分数阶傅里叶变化程序。-Fractional Fourier transform procedure, this is a two-dimensional fractional Fourier change process.
first
- 二维傅里叶变换,对图像进行二维傅里叶变换处理-Two-Dimensional Fast Fourier Transform The purpose of this project is to develop a 2-D FFT program "package" that will be used in several other projects that follow. Your implementation must have the capabilitie
Wavelet2D
- 二维小波变换算法实现压缩解压的程序,此程序中处理的图像为典型的测试图像lena-Two-dimensional wavelet transform algorithm compression decompression procedures, the procedures for dealing with images typical test images lena
001
- MATLAB环境下二维离散余弦变换的图像压缩-Two-dimensional discrete cosine transform image compression
FT2D
- 任意常用二维函数傅里叶变换,包括绘图功能。-Any commonly used two-dimensional Fourier transform functions, including graphics.
fft1
- 高频地波雷达回波信号二维傅里叶变换仿真处理,通过该变换可以得到海上目标的速度和距离信息。-HF ground wave radar echo simulation of two-dimensional Fourier transform processing, the adoption of the sea can transform the speed and distance from goal information.
Extensionofgravity
- 重力勘探 频率域重力延拓 二维傅里叶变换 源代码-Gravity Gravity exploration extension frequency domain two-dimensional Fourier Transform source code
matlab1
- 二维离散小波变换和重构(对高通和低通系数分别卷积。。。)-Discrete wavelet transform and reconstruction (high-pass and low pass convolution coefficients...)
QRcode
- QR码作为一种可高速、全方位识别的二维条码,已经在各行各业中得到了应用,并具有很大发展潜力.本文针对QR码图像的识别过程中可能遇到的图像噪声干扰、QR码占实际拍摄图像的一部分、倾斜、几何失真等问题进行了研究,提出了通过改进型中值滤波去除噪声,使用QR码符号特性定位并对倾斜图像进行旋转,对失真不严重的图像采用控制点变换和双线性插值方法进行几何校正.实验证明, 本文的方法简单有效, 可以用于提高条码的正确识别率.-As a high-speed, full identification of th
DWT_2D_matlab
- 用DWT实现二维小波变换:对图像进行二维小波分解,显示分解结果,最后重构源图像并显示结果 -Achieved using two-dimensional wavelet transform DWT: two-dimensional wavelet decomposition of the image, showing decomposition results, and finally reconstruct the source image and display the results
fft2
- 图像的二维傅里叶变换,matlab编程,很好用。-Two-dimensional Fourier transform image, matlab programming
FFT-Algorithm
- 本例通过VC实现二维快速傅里叶变换,涉及到进行矩阵、复数等数学运算,运用了C语言动态内存分配、文件操作、结构指针的函数调用等内容。-In this case through the VC to achieve two-dimensional fast Fourier transform, related to the matrix, such as complex mathematics, use the C language, dynamic memory allocation, file o
一个二维的S变换
- 一个二维的S变换算法,能对图像进行处理,得到更加清晰的时频分辨率
二维离散傅里叶变换
- 不调用matlab自带函数实现二维离散傅里叶变换(Do not call matlab own functions to achieve two-dimensional discrete Fourier transform)
小波变换BP,OMP,StOMP二维比较
- 小波变换bp omp等方法的二维比较程序(Two dimensional comparison of wavelet transform, BP, OMP and other methods)