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Lambert
说明： lambert问题的求解程序，能给大家给予帮助，谢谢(the program of lambert)
- 2011-04-16 17:49:20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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LTR
Loop Transfer Recovery control design
- 2009-06-03 16:39:14下载
- 积分：1
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基于matlab的系统分析与设计之信号处理
基于matlab的系统分析与设计之信号处理 源代码(MATLAB signal processing)
- 2009-11-21 20:34:33下载
- 积分：1
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fuzzy_equilibrium_matrix_calculation
说明： 模糊聚类中的传统闭包法进行模糊等价矩阵的计算，中文解释清晰，可运行，是学习的好案例！(using this program to take fuzzy equilbrium matrix calculation, which is clear for learning fuzzy clustering.)
- 2021-01-15 13:48:45下载
- 积分：1
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llc
单相半桥LLC谐振直流变换器 采用开环控制 整流侧采用全波整流(The single phase half bridge LLC resonant DC converter adopts open loop control, and the rectifier side adopts full wave rectifier)
- 2017-06-13 19:44:10下载
- 积分：1
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Watermarking
It consists of 2 images input and watermark image.The aim of the program is th hide watermark image within input image.The last 4 digits of the input image are replaced by first 4 bits of the input image.The output image appears like input image but watermark image will be embedded inside.
- 2014-11-11 18:07:40下载
- 积分：1
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attachments-(1)---Copy
matlab simulation program for ASK
- 2014-01-06 16:25:02下载
- 积分：1
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tank
四轴飞行器的无模型自适应系统，三种格式，全格式，紧格式，偏格式。(Four-axle aircraft modelless adaptive system, three formats, full format, tight format, partial format.)
- 2020-07-10 20:48:55下载
- 积分：1
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Fourier_Transforms_Using_Matlab
Fourier Transforms using Matlab
- 2010-09-12 22:14:55下载
- 积分：1
