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DiscriminantMethods
距离判别法与Bayes判别法在分类中的应用。对于学习GUI同学很好。(Application of the distance discriminant law with the Bayes discriminant law classification the. Students for learning GUI good.)
- 2013-04-04 17:33:44下载
- 积分:1
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data_omp
作弊信号检测代码,给定一个数据文件后可以检测出其中的信号(Cheat signal detection code of a data file after a given one of the signal can be detected)
- 2013-11-26 17:20:27下载
- 积分:1
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gabort.m
一个很不错的matlab 程序,贡献出来与大家共享,希望对大家有所帮助(Matlab a very good process, contribute to share with everyone, and they hope to help everyone)
- 2008-06-04 09:26:21下载
- 积分:1
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用matlab实现去趋势互相关分析的DCCA算法 DCCA
用matlab实现去趋势互相关分析的DCCA算法,将两组数据分析其协方差,最后得到DCCA指数,并进行T检验(DCCA algorithm using matlab detrended cross-correlation analysis, two sets of data to analyze the covariance last DCCA index, and T-test)
- 2021-03-06 12:09:30下载
- 积分:1
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im_registr_MI
基于互信息的图像配准程序。用matlab编写的。有助于理解互信息。(based on mutual information of image registration procedures. Prepared using Matlab. Contribute to the mutual understanding of the information.)
- 2020-06-30 09:40:02下载
- 积分:1
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li9_23
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)...
*()
- 2010-10-17 21:53:14下载
- 积分:1
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DISANZHANG
本光盘为《详解MATLAB快速入门与应用》一书的配套光盘,包括以下内容:
1.“sample”文件夹:提供了本书各章范例的源程序。(The CD is " Getting Started with MATLAB Detailed application," a book supporting the CD, including the following:. 1 " sample" folder: each chapter provides examples of the book source.)
- 2013-11-29 21:23:12下载
- 积分:1
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gatbx
Sheffield工具箱的简单例子,有作者修改,其中doc文件为介绍(the example of Sheffield GA)
- 2013-05-08 10:54:03下载
- 积分:1
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boxcnt
this code perform boxcounting algorithm on picture
- 2012-04-02 20:26:54下载
- 积分:1
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SPA
说明: 一段用于光谱分析波段选择的连续投影算法matlab代码(A section for spectral analysis band selection continuous projection algorithm matlab code)
- 2019-01-14 13:14:50下载
- 积分:1