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vision_based_barcode_reader

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This program can read 3 barcode ean13,code 39,code 128c by stable image,and by camera,

c=pty(i,dty,hang,cot,I);
function  c=pty(i,dty,hang,cot,I);
          j=1;
          b=[1:cot];    
          for x=cot:-1:1
              y=round((x*(hang - 2*i*dty))/cot + i*dty);
              if y == 0
                  continue;
              end
              if (I(y,x)==0)
                  b(j)=1;
                  j=j+1;
              elseif (I(y,x)==1)
                  b(j)=0;
                  j=j+1;
              end
           end
           c=b;

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