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