cooccurence

都是关于空间普估计算法，其中有解相干和非相干算法以及它们之间的对比( the spatial spectrum estimation)

emd源程序的工具包，只要编写主程序调用即可，非常经典(emd source toolkit, just write the main program calls can be very classic)

彩色全变差图像噪声处理 matlab代码(Color total variation image denoising matlab code)

三个空间错开漩涡光束左旋螺旋形焦点在xZ平面的强度分布计算程序(xz distribution of left-handed spiral focal spot)

Three matlab-based tools have been developed for the convenient assess- ment of stability conditions for linear and nonlinear systems. The fi rst is a more helpful and defi nitive version of nyquist, which has features of automatic zooming and which displays on the real axis a numeral (‘0’, ‘1’ etc.)

对图像做傅里叶频谱变换，可以求出图像的频谱分布，实现频谱中心化(Fourier transform spectrum of the image to do, you can find the spectral distribution of the image to achieve the center of the spectrum)

在流场中和电磁场中 有必要画出箭头图 来进一步显示清楚(Plot 3D quiver)

Optimization problem MATLAB

matlab 数字水印，dct变换，嵌入水印，简单易懂，方便学习(dct matlab)

说明：  matlab实现JPEG2000图像标准(to achieve the standard JPEG2000 image using matlab)