mem objid      area   centerx   centery    aspect max10mspd  matchmem matchobid matchtint
   0     0        43      1002       734  0.466489  14.18431        -1        -1         -1 
   1     1        48       996       730  0.576991 13.834956         0         0 0.72400040096607199 
   4     2        72      1005       735  0.699816 13.306252        -1        -1         -1 
   7     3        45       998       733  0.988084 12.935231        -1        -1         -1