95302oless

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)... *()

随机快速算法与确定性快速算法的比较,可设置数组大，小包含有实验报告(Fast Algorithm for Stochastic Fast Algorithms and certainty, you can set an array of big and small contain Experimental Report)

matlab宝典,电子工业出版社,包含该书的源码4-6章，第4章数据分析第5章符号计算第6章数据和函数的可视化(Matlab, the book electronics industry Press, the book contains chapters 4-6 source, Chapter 4 Data Analysis Chapter 5 Symbolic Computation Chapter 6 of the data and visual function)

ce turorial presente le finctionnement du matlab 6.5

PCA is used for data classification

这是一个用Matlab编写的用于WSN中质心算法计算节点位置的源程序(this resource is used to calculate the locationof the nodes in WSN)

clark,s transformation using matlab

Affinity Propagation聚类算法源码（Matlab）。內附两个测试用例（ToyProblem.mat，FaceClusteringSimilarities.zip）(Affinity Propagation Clustering algorithm source code and two dataset for testing)

以Matlab为平台实现图像3*3和7*7空域平滑滤波，附有程序流程图、源代码以及运行结果截图。(In Matlab as a platform for image 3* 3 and 7* 7 spatial filtering, with a process flow diagram, source code and run the result screenshot.)

用于生成3D显示所需的针孔阵列，每个针孔为正方形。(for 3D displays.)