mem objid      area   centerx   centery    aspect max10mspd  matchmem matchobid matchtint
   0     0      1147       700       331  0.266113 14.833004        -1        -1         -1 
   3     1      1746       711       327  0.261765 15.895495         0         0 0.8000356257604232 
   4     2       900       855       547  0.622535 16.507484        -1        -1         -1 
   5     3      1772       711       327  0.288489 14.978779         0         0 0.78224615250354768