-
2DLDA
说明： 一篇基于人脸识别的2dlda代码 各位给点意见(A code based on face recognition 2dlda you to the point)
- 2010-04-12 20:37:06下载
- 积分：1
-
target_tracking
该文件涵盖了目标跟踪领域的众多算法，如EKF，UKF，PF，IMM等，所以掌握了这个你将顺利实现多种功能。(This document covers a target tracking algorithm of many areas, such as EKF, UKF, PF, IMM etc, so master this you will achieve the smooth functions.
)
- 2012-04-22 18:46:32下载
- 积分：1
-
dirichlet-distribution
文件包括1.维基百科中dirichlet distribution的资料2.产生服从dirichlet distribution分布的随机数的matlab程序。(This file consists of two documents.The first one is the content of dirichlet distribution wikipedia and the second one is a matlab procedure which can be used to generate a random number distributed to dirichlet distribution.)
- 2016-04-15 17:54:21下载
- 积分：1
-
Spectrum-Analysis
说明： 在地震勘探资料处理中应用的频谱分析函数。。。。。。。。。。。。。。。。。。。。。(Spectrum Analysis)
- 2011-03-31 12:31:32下载
- 积分：1
-
1
说明： S 函数 编写的 PID程序
在MATLAB上 调试成功
请大家参考(S function to write the PID program debugging success in MATLAB reference)
- 2013-03-16 16:17:04下载
- 积分：1
-
Lagrange-interpolation-of-matlab
拉格朗日插值法matlab源程序，具有通用性和可扩展性。(Lagrange interpolation matlab source, has the versatility and scalability.)
- 2013-10-06 16:05:48下载
- 积分：1
-
grey predication
说明： 预测数据，数据分析,进行经济数据的多年预测，用途广泛(Forecast data, data analysis, multi-year forecast of economic data, widely used)
- 2020-06-17 20:40:04下载
- 积分：1
-
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
-
Circular_electrodes_mathieu
Calculation modes of ATquartz using mathieu function
- 2020-11-15 12:09:41下载
- 积分：1
-
Simulink
note on simulink: intro, description and example
- 2010-09-20 07:07:12下载
- 积分：1
