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kalman
说明: 卡尔曼滤波器,可以对所得到的数据进行平滑,matlab源码(Kalman filter can be obtained by smoothing the data, matlab source)
- 2008-10-31 11:17:36下载
- 积分:1
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Convex-Optimization_
凸优化在数学,计算,通信,航空航天领域有较多的应用,是一个很好的数学工具(convex computer commucation )
- 2012-05-12 12:16:44下载
- 积分:1
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class_optical_flow
一个经典的关于光流法的运动图像目标检测 已调试成功(Moving image target detection of optical flow method is a classic has been successful commissioning)
- 2013-11-16 10:02:55下载
- 积分:1
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read_data_from_txt
this function is used for reading data from txt file
- 2013-04-10 21:04:16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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histogram_sp
histogram matching-image processing
- 2011-01-27 03:14:37下载
- 积分:1
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channelsimulation
信道仿真的很好程序,可以实现不同参数情况下的信道仿真,比如超宽带系统的室内多径环境信道仿真(channel simulation is a good procedure, can be achieved under different parameters of the channel simulation. For example, UWB system indoor multi-path channel simulation environment)
- 2020-08-11 20:08:26下载
- 积分:1
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MCChhapter6o
现代通信系统第6章matlaab程序源码源码
(Chapter 6 of the modern communication systems matlaab program source code)
- 2012-08-18 06:34:26下载
- 积分:1
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MATLAB100smples
100个MATLAB实用例子,请多多指教,共同交流学习!!(100 MATLAB practical examples, the lot of advice, and share their learning! !)
- 2012-08-20 10:58:26下载
- 积分:1
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MATLAB-jiaocheng
matlab的学习教程,对于新上手的人来说,不错(matlab tutorials for new people to get started, good)
- 2012-09-15 11:35:01下载
- 积分:1