区域标记

writen by  wqj1212@yahoo.com.cn

void  Cbiaoji1::biaoji(IplImage *src)
{
    DWORD t1,t2,t0;
       x_sign=0; 
     m_temp=0;
     x_temp=0;
     y_temp=0;
        temp=cvCreateImage(cvSize(src->width,src->height),8,1);
    for(int j=0;j<temp->height;j++)
        for(int i=0;i<temp->width;i++)
        {
            CV_IMAGE_ELEM(temp,uchar,j,i)=255;
        }
    //    cvZero(temp);
    memset(flag,0,255);
int width=src->width;
int height=src->height;
        //从左到右标号

  t1=::GetTickCount();
        for( j=1;j<height-1;j++)    // 每行
        {
            for(int i=1;i<width-1;i++)    // 每列
            {
                
                
                if(CV_IMAGE_ELEM(src,uchar,j,i)==0)//若当前点为黑点
                {    
                    if(CV_IMAGE_ELEM(src,uchar,j-1,i+1)==0)//右上
                    {      
                        CV_IMAGE_ELEM(temp,uchar,j,i)=CV_IMAGE_ELEM(temp,uchar,j-1,i+1);
                        x_temp=CV_IMAGE_ELEM(temp,uchar,j-1,i+1);
                        flag[x_temp]+=1;    
                        if(CV_IMAGE_ELEM(src,uchar,j,i-1)==0&&CV_IMAGE_ELEM(temp,uchar,j,i-1)!=x_temp)//左前
                        {    
                            y_temp=CV_IMAGE_ELEM(temp,uchar,j,i-1);
                            for(int m=1;m<=height-1;m++)
                                for(int n=1;n<=width-1;n++)
                                {
                                    if(CV_IMAGE_ELEM(temp,uchar,m,n)==y_temp)
                                    {    
                                        flag[y_temp]=0;
                                        CV_IMAGE_ELEM(temp,uchar,m,n)=x_temp;
                                        flag[x_temp]+=1;
                                    }
                                }
                        }//end//左前
                        if(CV_IMAGE_ELEM(src,uchar,j-1,i-1)==0 &&CV_IMAGE_ELEM(temp,uchar,j-1,i-1)!=x_temp)//左上
                        {
                            y_temp=CV_IMAGE_ELEM(temp,uchar,j-1,i-1);
                            for(int m=1;m<=height-1;m++)
                                for(int n=1;n<=width-1;n++)
                                {
                                    if(CV_IMAGE_ELEM(temp,uchar,m,n)==y_temp)
                                    {    
                                        flag[y_temp]=0;
                                    CV_IMAGE_ELEM(temp,uchar,m,n)=x_temp;
                                        flag[x_temp]+=1;
                                    }
                                }
                        }//end//左上
                    }
                    else if(CV_IMAGE_ELEM(src,uchar,j-1,i)==0)//正上
                    {
                    CV_IMAGE_ELEM(temp,uchar,j,i)=CV_IMAGE_ELEM(temp,uchar,j-1,i);
                        x_temp=CV_IMAGE_ELEM(temp,uchar,j-1,i);
                        flag[x_temp]+=1;
                    }
                    else if(CV_IMAGE_ELEM(src,uchar,j-1,i-1)==0)//左上
                    {
                        CV_IMAGE_ELEM(temp,uchar,j,i)=CV_IMAGE_ELEM(temp,uchar,j-1,i-1);
                        x_temp=CV_IMAGE_ELEM(temp,uchar,j-1,i-1);
                        flag[x_temp]+=1;
                    }
                    else if(CV_IMAGE_ELEM(src,uchar,j,i-1)==0)//左前
                    {
                        CV_IMAGE_ELEM(temp,uchar,j,i)=CV_IMAGE_ELEM(temp,uchar,j,i-1);
                        x_temp=CV_IMAGE_ELEM(temp,uchar,j,i-1);
                        flag[x_temp]+=1;
                    }
                    else//没有
                    {                
                        ++x_sign;
                        m_temp=x_sign;
                        CV_IMAGE_ELEM(temp,uchar,j,i)=m_temp;
                        flag[m_temp]=1;
                    //    cout<<x_sign<<endl;
                    }
                }//end if
            }// 每列
        t2=::GetTickCount();        
        }
        t0=::GetTickCount();
            cout<<"时间t2-t1为"<<t2-t1<<"t0-t2为"<<t0-t2<<"to-t1时为:"<<t0-t1<<endl;
        }//end 每行