Dataset and model, pitch, yaw, roll, mean, median
biwi error: 7.163, 5.314, 4.760, 5.746, 2.617
bu error: 2.769, 4.105, 2.569, 3.147, 2.118
ict error: 3.489, 3.632, 3.538, 3.553, 2.029