Dataset and model, pitch, yaw, roll, mean, median
biwi error: 7.955, 5.583, 4.403, 5.980, 2.624
bu error: 2.734, 3.350, 2.459, 2.848, 1.974
ict error: 3.610, 3.959, 3.369, 3.646, 1.967