int main(int argc, char** argv)

 {

     unsigned char acSrc[][] =

     {

         , , , ,

         , , , ,

         , , , ,

         , , , ,

     };

     printf("acSrc-data address:%p\n", acSrc);

     Mat src(, , CV_8UC1, acSrc);

     printf("src-data address:%p\n", src.data);

     cout << src << endl;

     vector<int> vec_row;

     vector<int> vec_col;

     for (int j = ; j < src.cols; ++j)

     {

         for (int i = ; i < src.rows; ++i)

         {

             if ( == src.at<unsigned char>(i, j))

             {

                 vec_row.push_back(i);

                 vec_col.push_back(j);

             }

             //cout << src.at<int>(i, j) << endl;

         }

     }

     cout << "vec_row.size:" << vec_row.size() << endl;

     cout << "vec_col.size:" << vec_col.size() << endl;

     vector<int>::iterator iter_row = vec_row.begin();

     vector<int>::iterator iter_col = vec_col.begin();

     Mat m = Mat::zeros(, , CV_8UC1);

     cout << m << endl;

     for (; (iter_row != vec_row.end()) && (iter_col != vec_col.end()); ++iter_row, ++iter_col)

     {

         cout << *iter_row << ", " <<  *iter_col << endl; 

         m.at<uchar>(*iter_row, *iter_col) = ;

     }

     cout << m << endl;

     return ;

 }