%特征提取以8*8的矩陣存取
 
function[array64]=getfeature(input)  
% if (input=file)
%     title('go on');
% else
%     title('stop');
  [row,col]=size(input);
  basement1=0;
  basement2=0;
  leaveone=mod(row,8);
 leavetwo=mod(col,8);
 for i=1:8
          rowspace=floor(row/8);
          if(leavetwo>0)
              rowspace=rowspace+1;
             leaveone=leaveone-1;
          end
          basement1=basement1+rowspace;
           basement2=0;
       for j=1:8
          colspace=floor(col/8);
          if(leavetwo>0)
              colspace=colspace+1;
              leavetwo=leavetwo-1;
          end
          basement2=basement2+colspace;
          count=0;
          sum=0;
          for k=basement1-rowspace+1 :basement1
              for l=basement2-colspace+1:basement2
                  count=count+input(k,l);
                  sum=sum+1;
              end
          end
          array(i,j)=count/sum;
      end
  end
  index=1;
  for(i=1:8)
      for(j=1:8)
          array64(index,1)=array(i,j);
          index=index+1;
      end
  end