Table 2.

Head pose estimation results and its comparison with SOA on AFLW database.

Method	Pitch	Yaw	Roll	Average
QuatNet [63]	4.31${}^{°}$	3.93${}^{°}$	2.59${}^{°}$	3.61${}^{°}$
HAG-MSF-CRFs	4.89${}^{°}$	4.25${}^{°}$	3.20${}^{°}$	4.11${}^{°}$
HyperFace [64]	5.33${}^{°}$	6.24${}^{°}$	3.29${}^{°}$	4.96${}^{°}$
Multi-Loss [65]	5.89${}^{°}$	6.26${}^{°}$	3.82${}^{°}$	5.32${}^{°}$