Dataset and model, pitch, yaw, roll, mean, median
biwi error: 7.779, 6.302, 4.440, 6.174, 2.779
bu error: 2.739, 3.348, 2.458, 2.848, 1.975
ict error: 3.501, 3.988, 3.298, 3.596, 1.968