matlab处理数字图像贴标签

使用matlab处理数字图像的贴标签程序

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%贴标签%%%%%%%%%%%%%%%%%%%%%%%%%%%
clc;
clear  all;
g=imread（‘C:\Users\Administrator\Desktop\ezh.bmp‘）;%读图
f=g（::1）;
f1=double（f）;    %图像格式转化为矩阵格式
[mn] = size（f1）;
g=zeros（mn）;
figure（1）;
imshow（f）;
a=zeros（14）;
val=0;
num=0;
for i=1:m
    for j=1:n
        if f1（ij）==0                 %首先  必须要是黑点
            if i==1                   %第一行    特殊计算
                if j==1               %第一行  第一列
                        val=val+1;
                        g（11）=val;
                        num=num+1;
                else
                    if f1（1j-1）==0
                        g（1j）=g（1j-1）;
                    else
                        val=val+1;
                        g（ij）=val;
                          num=num+1;
                    end
                end
            else                         %不是第一行
                if j==1                    %行的第一个                   
                        if f1（i-1j）==0||f1（i-1j+1）==0    %上一行  至少有一个目标点
                            if f1（i-1j）~=0    %取较小值
                                g（ij）=g（i-1j）;
                            end
                            if f1（i-1j+1）~=0
                                g（ij）=g（i-1j+1）;
                            end
                        else
                            val=val+1;
                            g（ij）=val;
                            num=num+1;                    
                        end
                end
              if j==n                     %最后一列                     
                         if f1（i-1j）==0||f1（i-1j-1）==0
                            if f1（i-1j）~=0
                                g（ij）=g（i-1j）;
                            end
                            if f1（i-1j-1）~=0
                                g（ij）=g（i-1j-1）;
                            end
                         else                       %上边两个都不是黑点
                             if f1（ij-1）==0
                                 g（ij）=g（ij-1）;
                             else
                                  val=val+1;
                                  g（ij）=val;
                                  num=num+1;                            
                             end
                         end
              end
              if j>1&&j                     if f1（i-1j-1）&&f1（i-1j+1）&&f1（i-1j）&&f1（ij-1）      %全为真
                                val=val+1;
                                g（ij）=val;
                                num=num+1;
                     else                                  %至少有一个黑点
                         if g（i-1j+1）~=g（i-1j-1） && g（i-1j+1）~=0 &&g（i-1j-1）~=0              %两种特例  标签冲突  考前的较小  还要判断g（i-1j+1）、g（i-1j-1）不能为零
                             g（ij）=g（i-1j-1）;
                               for k=1:i-1      %对前i-1行判断    如果等于较大的   该较大值改为较小值 

 属性            大小     日期    时间   名称
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     文件      33502  2011-08-05 10:26  matlab\ezh.bmp

     文件       7718  2011-09-02 20:39  matlab\tiebiaoqian.m

     目录          0  2011-09-03 17:44  matlab

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