mem objid      area   centerx   centery    aspect max10mspd  matchmem matchobid matchtint
   0     0       568       885       553  0.608462 11.917884        -1        -1         -1 
   4     1       676       892       581  0.712119 10.884801         0         0 0.62932466319544089 
   6     2      1033       888       574  0.477432 11.758642         0         0 0.44259216366683612 
   9     3      1707       725       339  0.606901 17.215929        -1        -1         -1