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  • 大小: 1KB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發布日期: 2021-05-23
  • 語言: 其他
  • 標簽: image??segmen??

資源簡介

Efficient Graph-Based Image Segmentation & k-means Image Segmentation

資源截圖

代碼片段和文件信息

Pic=imread(‘test.jpg‘);
Pic=im2double(Pic);
pic_size=size(Pic);
row=pic_size(1);%行
col=pic_size(2);%列
edge=zeros(row-1col-12);%?1?橫?2豎
id?=zeros(rowcol);

id_sum=ones(row*col1);
weight=0.5*ones(row*col1);
color=zeros(row*col3);
for?i=1:row
????for?j=1:col
????????if?i??????????edge(ij1)=sqrt(dot(Pic(ij:)-Pic(ij+1:)Pic(ij:)-Pic(ij+1:)));
??????????edge(ij2)=sqrt(dot(Pic(ij:)-Pic(i+1j:)Pic(ij:)-Pic(i+1j:)));
????????end
????????id(ij)=(i-1)*col+j;
????????color(id(ij):)=Pic(ij:);
????end
end
[ab]=sort(edge(:));
[rpq]=ind2sub(size(edge)b);
n=size(r);
k=0.1;
for?i=1:n
????if?q(i)==1
??????if?id(r(i)p(i))~=id(r(i)p(i)+1)
??????????if?edge(r(i)p(i)q(i))<=min(weight(id(r(i)p(i)))+k/id_sum(id(r(i)p(i)))weight(id(r(i)p(i)+1))++k/id_sum(id(r(i)p(i)+1)))
??????????????id_sum(id(r(i)p(i)))=id_sum(id(r(i)p(i)))+id_sum(id(r(i)p(i)+1));
??????????????weight(id(r(i)p(i)))=edge(r(i)p(i)q(i))+k/id_sum(id(r(i)p(i)));
??????????????idx=?id==id(r(i)p(i)+1);?
??????????????id(idx)=id(r(i)p(i));?
??????????????
??????????????
??????????end
??????end
????end
????if?q(i)==2
??????if?id(r(i)p(i))~=id(r(i)+1p(i))
??????????if?edge(r(i)p(i)q(i))<=min(weight(id(r(i)p(i)))+k/id_sum(id(r(i)p(i)))weight(id(r(i)+1p(i)))+k/id_sum(id(r(i)+1p(i))))
???????????????id_sum(id(r(i)p(i)))=id_sum(id(r(i)p(i)))+id_sum(id(r(i)+1p(i)));
??????????????weight(id(r(i)p(i)))=edge(r(i)p(i)q(i))+k/id_sum(id(r(i)p(i)));
??????????????idx=?id==id(r(i)+1p(i));?
??????????????id(idx)=id(r(i)p(i));?
??????????????
???????????????
??????????end
??????end
????end
end
for?i=1:row
????for?j=1:col
????????x=fix((id(ij)-1)/col)+1;
????????y=id(ij)-(x-1)*col;
????????Pic(ij:)=Pic(xy:);
????end
end


Pic=im2uint8(Pic);
imshow(Pic);




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

?????文件???????1861??2017-05-04?08:50??graph_based.m

?????文件????????973??2017-04-06?11:36??k_main.m

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

?????????????????2834????????????????????2


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