gusucode.com > matlab程序语言实现的水准网平差程序，使用于测绘人员 > 一种基于极大值稳定区域的文本定位方法matlab源码程序/毕业设计/代码/conComp_analysis.m

    
function [p_image,cwidth] =conComp_analysis(bwimg)

[x,y]=size(bwimg);
cwidth=[];
whole=x*y;
connComp = bwconncomp(bwimg); %返回连通区
threefeature = regionprops(connComp,'Area','BoundingBox','Centroid'  );
broder=[threefeature.BoundingBox];%[x y width height]字符的区域
area=[threefeature.Area];%区域面积
centre=[threefeature.Centroid];%中心
%%
for i=1:connComp.NumObjects  
    leftx=broder((i-1)*4+1);
    lefty=broder((i-1)*4+2);
    width=broder((i-1)*4+3);
    height=broder((i-1)*4+4);
    cenx=floor(centre((i-1)*2+1));
    ceny=floor(centre((i-1)*2+2));
   
    if area(i)<80||area(i)>0.2*whole%面积滤除
      bwimg(connComp.PixelIdxList{i})=0;
    elseif width/height<0.1||width/height>10%长宽比滤除
      bwimg(connComp.PixelIdxList{i})=0;
    else
      cwidth=[cwidth,width];
      rectangle('Position',[leftx,lefty,width,height], 'EdgeColor','g');
    end
end
p_image=bwimg;