fsaverage
1.000000
1.000000
0.150000
9.975314e-01 -7.324822e-03 1.760415e-02 9.570923e-01 
-1.296475e-02 -9.262221e-03 9.970638e-01 -1.781596e+01 
-1.459537e-02 -1.000945e+00 2.444772e-03 -1.854964e+01 
0 0 0 1
tkregister