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now
自适应混合高斯 视频火焰提取 检测效果还不错(Adaptive Gaussian mixture extracted video flame detection results were pretty good)
- 2010-09-27 10:45:25下载
- 积分:1
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shape
对图片中的各种几何图形进行识别,包括圆形,正方形,矩形,六边形,菱形等(On the picture to identify the various geometric shapes, including round, square, rectangular, hexagonal, diamond, etc.)
- 2009-05-08 21:32:50下载
- 积分:1
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svm
说明: 本程序包括:论文SVM 用于基于块划分特征提取的图像分类,和相应的matlab实现其中图像划分以及特征提取、聚类均利用matlab6.5完成。
(The procedures include: paper by SVM for feature extraction based on block classification, and the corresponding realization of one image into matlab, and feature extraction, clustering were done using matlab6.5.)
- 2020-12-29 10:59:01下载
- 积分:1
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matlab
matlab 灰度图像处理去噪 可以有效改变图像的边缘化问题(matlab grey processing )
- 2015-03-23 18:47:40下载
- 积分:1
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Effective-cooperative-wideband-sensing-using-ener
Good research paper for cooperative spectrum sensing for cognitive radio
- 2014-02-02 13:46:50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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kmeans
matlab 基于K均值聚类算法的图像分割(K-means clustering algorithm for image segmentation)
- 2014-09-18 19:57:54下载
- 积分:1
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eemd能量熵
说明: 有EEMD分解的源程序,可求解分量信号的能量熵(Source program containing EEMD to solve the energy entropy of component signals)
- 2021-03-02 19:29:33下载
- 积分:1
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speex-1.1.6.tar
speex-1.1.6.tar.gz,音频格式speedx编解码源码(speex- 1.1.6.tar.gz, Audio Codec format speedx FOSS)
- 2007-03-28 11:08:54下载
- 积分:1
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meizhizhibiao
美股实时指数 在副图窗口,方便操作与美元有关的相关产品(US stock index for MT4)
- 2014-11-21 22:18:24下载
- 积分:1