Dataset and model, pitch, yaw, roll, mean, median
biwi error: 7.990, 5.614, 4.448, 6.017, 2.624
bu error: 2.762, 4.103, 2.568, 3.145, 2.118
ict error: 3.619, 3.606, 3.625, 3.617, 2.027