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xiyue6911

гæ (СÓÐÃûÆø)

[½»Á÷] ·Ö¸îͼµÄÁÚ½Ó¾ØÕó·ÂÕæ

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ÓÒͼΪ´ýת»¯µÄ·Ö¸îͼÏñ£¬×óͼΪÁÚ½Ó¾ØÕó£¬ÐкÍÁбíʾ[1 2 3 4 5 6 7];
¹Ø¼üÊÇ£¬ÇøÓòÏàÁ¬Åжϣ¬Ë¼Â·£º±éÀúÇøÓò±ß½ç£¬unique±ß½çµãµÄ8ÁÚÓò£»
ÏÖ´æÎÊÌ⣺ÈçºÎ½«ÁÚ½Ó¾ØÕó½øÐпÉÊÓ»¯£¬ÒªÓÃlabviewÂð£¿
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CODE:
x = repmat(uint8(0),[512 512]);
x(1:512,256)=255;x(170,1:256)=255;x(340,1:256)=255;x(85,256:356)=255;x(170,356:512)=255;x(340,356:512)=255;
x(85:340,356)=255;x(390,356:456)=255;x(450,356:456)=255;x(390:450,356)=255;x(390:450,456)=255;
x = ~im2bw(x);
[L num] = bwlabel(x,8);%ÁÚ½ÓÇøÓò¸öÊý
regionmat = zeros(num);%´æ´¢ÁÚ½Ó¾ØÕó
imshow(L);
stats = regionprops(L);%¹¹ÔìÇøÓò¸ö½Úµã£»
for i = 1:num
    node(i).id = i;
    node(i).data = stats(i);
    node(i).relaedge = [1 1 1];
    node(i).weight = [1 1 1];
end
[r c] = find(L==0);%±éÀúËùÓб߽çµã
%±éÀú±ß½çµãµÄ8ÁÚÓò£¬¹¹ÔìÇøÓòÁÚ½Ó¼¯ºÏ
[r1 c1] = size(L);
L_new = zeros(r1+2,c1+2);
L_new(2:(size(L_new,1)-1),2:(size(L_new,2)-1)) = L;
col = 8;%×î¶àÁ¬Í¨ÇøÓò£»
for i = 1:(size(r,1))
    temp = [L_new(r(i)-1+1,c(i)-1+1) L_new(r(i)-1+1,c(i)+1) L_new(r(i)-1+1,c(i)+1+1);
                    L_new(r(i)+1,c(i)-1+1) L_new(r(i)+1,c(i)+1) L_new(r(i)+1,c(i)+1+1);
                    L_new(r(i)+1+1,c(i)-1+1) L_new(r(i)+1+1,c(i)+1) L_new(r(i)+1+1,c(i)+1+1);];
    p = zeros(1,col);
    temp = unique(temp(:));
    temp = setdiff(temp,0);
    p(1:length(temp)) = temp;
    relas(i,:) = p;
end
relas = unique(relas,'rows');
%¸³ÖµÁÚ½Ó¾ØÕó
for i = 1:size(relas,1)
    temp =setdiff(relas(i,:),0);
    cn = nchoosek(temp,2);
    for j =1:size(cn,1)
        regionmat(cn(j,1),cn(j,2)) = 1;
    end
end
disp('regionmat:');disp(regionmat);

·Ö¸îͼµÄÁÚ½Ó¾ØÕó·ÂÕæ
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[ Last edited by dbb627 on 2015-11-14 at 14:46 ]
»Ø¸´´ËÂ¥
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xiyue6911

гæ (СÓÐÃûÆø)

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Ö±½ÓÔËÐпÉÒÔÉú³É¿ÉÊÓ»¯Í¼Ðνṹ
%·Ö¸îͼµÄÁÚ½Ó¾ØÕó·ÂÕæ
CODE:
x = repmat(uint8(0),[512 512]);
x(1:512,256)=255;x(170,1:256)=255;x(340,1:256)=255;x(85,256:356)=255;x(170,356:512)=255;x(340,356:512)=255;
x(85:340,356)=255;x(390,356:456)=255;x(450,356:456)=255;x(390:450,356)=255;x(390:450,456)=255;
locations = [85,128;265,128;425,128;425,400;265,300;265,400;85,400];
x = ~im2bw(x);
[L num] = bwlabel(x,8);%ÁÚ½ÓÇøÓò¸öÊý
regionmat = zeros(num);%´æ´¢ÁÚ½Ó¾ØÕó
figure(1),imshow(L);
for i = 1:size(locations,1)
    text(locations(i,2),locations(i,1),num2str(i));
end
stats = regionprops(L);%¹¹ÔìÇøÓò¸ö½Úµã£»
for i = 1:num
    node(i).id = i;
    node(i).data = stats(i);
    node(i).relaedge = [1 1 1];
    node(i).weight = [1 1 1];
end
[r c] = find(L==0);%±éÀúËùÓб߽çµã
%±éÀú±ß½çµãµÄ8ÁÚÓò£¬¹¹ÔìÇøÓòÁÚ½Ó¼¯ºÏ
[r1 c1] = size(L);
L_new = zeros(r1+2,c1+2);
L_new(2:(size(L_new,1)-1),2:(size(L_new,2)-1)) = L;
col = 8;%×î¶àÁ¬Í¨ÇøÓò£»
for i = 1:(size(r,1))
    temp = [L_new(r(i)-1+1,c(i)-1+1) L_new(r(i)-1+1,c(i)+1) L_new(r(i)-1+1,c(i)+1+1);
                    L_new(r(i)+1,c(i)-1+1) L_new(r(i)+1,c(i)+1) L_new(r(i)+1,c(i)+1+1);
                    L_new(r(i)+1+1,c(i)-1+1) L_new(r(i)+1+1,c(i)+1) L_new(r(i)+1+1,c(i)+1+1);];
    p = zeros(1,col);
    temp = unique(temp(:));
    temp = setdiff(temp,0);
    p(1:length(temp)) = temp;
    relas(i,:) = p;
end
relas = unique(relas,'rows');
%¸³ÖµÁÚ½Ó¾ØÕó
for i = 1:size(relas,1)
    temp =setdiff(relas(i,:),0);
    cn = nchoosek(temp,2);
    for j =1:size(cn,1)
        regionmat(cn(j,1),cn(j,2)) = 1;
    end
end
disp('regionmat:');disp(regionmat);
%ÁÚ½Ó¾ØÕóͼÐλ¯£»
vertexs = [1 1;1 3;2 .5;2 3.5;3 1;3 3;3.5 2];
[r c] = find(regionmat ~= 0);
%»æÖƽڵã
figure(2),
axis([0 5 0 5]);
for i = 1:size(vertexs,1)
    hold on,plot(vertexs(i,1),vertexs(i,2),'go','markersize',10);
    hold on,plot(vertexs(i,1),vertexs(i,2),'gx','markersize',10);
    hold on,text(vertexs(i,1),vertexs(i,2)-0.2,num2str(i));
end
%»æÖƱ߽ç
for i = 1:size(r,1)
    line([vertexs(c(i),1) vertexs(r(i),1)],[vertexs(c(i),2) vertexs(r(i),2)],'color','r','linestyle','-.');
end

·Ö¸îͼµÄÁÚ½Ó¾ØÕó·ÂÕæ-1
ÁÚ½ÓͼʾÀý.JPG
2Â¥2015-10-27 21:44:06
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