MT_Forward

张正友的有关三维重建的论文 值得三维重建研究人员好好学习研究(Zhang Zhengyou of the three-dimensional reconstruction of the paper Worthy of three-dimensional reconstruction of the researchers learn)

clear all I=imread( lena.bmp ) figure imshow(I) I2=imrotate(I,-4, bilinear ) 逆时针旋转4度 figure imshow(I2) I3=fliplr(I) 垂直镜像 figure imshow(I3) I4=imresize(I,0.5, bilinear ) 缩小为原图的1/2 figure imshow(I4) A=double(I) 转换为double类型 计算7个不变矩 [nc,nr]=size(A) [x,y]=meshgrid(1:nr,1:nc) 得到网格 x=x(:) y=y(:) A=A(:) m.m00=sum(A) if m.m00==0 m.m00=eps end m.m10=sum(x.*A) m.m01=sum(y.*A) 计算均值 xmean=m.m10/m.m00 ymean=m.m01/m.m00 计算中心矩(li9_23.rar cm.cm00=m.m00 cm.cm02=(sum((y-ymean).^2.*A))/(m.m00^2) cm.cm03=(sum((y-ymean).^3.*A))/(m.m00^2.5) cm.cm11=(sum((x-xmean).*(y-ymean).*A))/(m.m00^2) cm.cm12=(sum((x-xmean).*(y-ymean).^2.*A))/(m.m00^2.5) cm.cm20=(sum((x-xmean).^2.*A))/(m.m00^2) cm.cm21=(sum((x-xmean).^2.*(y-ymean).*A))/(m.m00^2.5) cm.cm30=(sum((x-xmean).^3.*A))/(m.m00^2.5) im(1)=cm.cm20+cm.cm02 im(2)=(cm.cm20-cm.cm02)^2+4*cm.cm11^2 im(3)=(cm.cm30-3*cm.cm12)^2+(3*cm.cm21-cm.cm03)^2 im(4)=(cm.cm30+cm.cm12)^2+(cm.cm21+cm.cm03)^2 im(5)=(cm.cm30-3*cm.cm12)*(cm.cm30+cm.cm12)... *((cm.cm30+cm.cm12)^2-3*(cm.cm21+cm.cm03)^2)... +(3*cm.cm21-cm.cm03)*(cm.cm21+cm.cm03)... +(3*(cm.cm30+cm.cm12)^2-(cm.cm21+cm.cm03)^2) im(6)=(cm.cm20-cm.cm02)*((cm.cm30+cm.cm12)^2-(cm.cm21+cm.cm03)^2)... +4*cm.cm11*(cm.cm30+cm.cm12)*(cm.cm21+cm.cm03) im(7)=(3*cm.cm21-cm.cm03)*(cm.cm30+cm.cm12)... *((cm.cm30+cm.cm12)^2-3*(cm.cm21+cm.cm03)^2)... +(3*cm.cm12-cm.cm30)*(cm.cm21+cm.cm03)... *()

随机过程中的泊松过程，使用MATLAB模拟的(Random process Poisson process, using the MATLAB simulation)

小波包去噪，用小波包去除一维信号的噪声,分解小波包系数画图说明比较全面(Wavelet Packet Denoising using wavelet packet to remove the noise of a one-dimensional signal decomposition wavelet packet coefficients drawing the more comprehensive)

直接序列扩频通信系统仿真程序，使用matlab语言设计的程序。并附加有详细的文字说明(Direct sequence spread spectrum communication system simulation program, using matlab design process. And attach a detailed text description)

Matlab LAWS能量滤波函数 主要用于纹理的分析(Matlab LAWS energy filtering function is mainly used for texture analysis)

the IR-UWB Channel model coded in Matlab simulation

3个计算信道容量的源码集合，由易到难，适合初学者自学，使用迭代算法(3 Calculation of channel capacity of the source collection of easy to difficult, suitable for beginners self-study, using an iterative algorithm)

应用多元高斯声束叠加方法建立粉末合金构件的声场模型(sound field simulation sound field simulation sound field simulation )

matlab统计函数介绍ppt-包括统计中的基本函数(statistical functions matlab ppt-presentation of the basic functions, including statistical)