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  • 大小: 13KB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發(fā)布日期: 2021-05-09
  • 語言: Matlab
  • 標簽: 圖像分割??

資源簡介

matlab7.1寫的K均值聚類方法分割圖像的程序。

資源截圖

代碼片段和文件信息

clear
clc
?time=cputime;
pic=imread(‘brain.bmp‘);
size_pic=size(pic);
pic_double=double(pic);
v=[1234];
label=1;
turn=0;
?while?label==1
????turn=turn+1;
????label=0;
????v_back=v;
n=zeros(14);
c=zeros(14);
for?i=1:size_pic(11)
????for?j=1:size_pic(12)
????????if?pic_double(ij)>=(v(4)+v(3))/2
????????????n(4)=n(4)+1;
????????????c(4)=c(4)+pic_double(ij);
????????end
????????if?pic_double(ij)>=(v(3)+v(2))/2&pic_double(ij)<(v(4)+v(3))/2
????????????n(3)=n(3)+1;
????????????c(3)=c(3)+pic_double(ij);
????????end
?????????if?pic_double(ij)>=(v(2)+v(1))/2&pic_double(ij)<(v(3)+v(2))/2
????????????n(2)=n(2)+1;
????????????c(2)=c(2)+pic_double(ij);
?????????end
????????if?pic_double(ij)<(v(2)+v(1))/2
????????????n(1)=n(1)+1;
????????????c(1)=c(1)+pic_double(ij);
????????end
????end
end
for?i=1:4
????if?n(i)>0
????v(i)=c(i)/n(i);
????end
end
???for?i=1:4
????????if?abs(v(i)-v_back(i))>0.00001%%%%%%%%%%設置收斂門限
????????????label=1;
????????end
???end
?end
v=sort(v);
time=cputime-time;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%kohonen程序結束,以下為用于顯示的程序部分
w1=zeros(size_pic(11)size_pic(12));
w2=zeros(size_pic(11)size_pic(12));
w3=zeros(size_pic(11)size_pic(12));
w4=zeros(size_pic(11)size_pic(12));
for?j=1:size_pic(11)
????for?t=1:size_pic(12)
????????if?pic_double(jt)>=10
????????????w4(jt)=1;
????????end
????end
end
w4=bwmorph(w4‘erode‘);
w4=bwmorph(w4‘dilate‘);
for?j=1:size_pic(11)
????for?t=1:size_pic(12)
????????if?pic_double(jt)>=(v(13)+v(14))/2
????????????w1(jt)=255;
????????end
????????if?pic_double(jt)<(v(13)+v(14))/2&pic_double(jt)>=(v(12)+v(13))/2
????????????w2(jt)=255;
????????end
????????if?pic_double(jt)<(v(12)+v(13))/2&pic_double(jt)>=(v(11)+v(12))/2
????????????w3(jt)=255;
????????end
????????if?pic_double(jt)<=(v(11)+v(12))/2&w4(jt)==1
????????????w3(jt)=255;
????????end
????end
end
wm=w1;
gm=w2;
csf=w3;
subplot(221);
imshow(pic);
subplot(222);
imshow(gm);
subplot(223);
imshow(wm);
subplot(224);
imshow(csf);????????????
????????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????66614??2007-07-03?23:16??brain.bmp

?????文件???????2146??2009-12-01?15:14??KM.m

-----------?---------??----------?-----??----

????????????????68760????????????????????2


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