recognize face data
center far 168 : [0.41888993978500366, 0.5123329758644104, -0.01876467652618885]
center close 168 : [0.5182292461395264, 0.5609825253486633, -0.06991593539714813]
center far top 168 : [0.6204932928085327, -0.07794174551963806, -0.0032066397834569216] x : 50cm z : 20cm up
center far down 168 : [0.5165225267410278, 0.9552283883094788, -0.014365595765411854] x : 50cm z : 20cm down arctan(2/5) = 0.3805063771123649 rad(0.3805063771123649) = 21 degree
center far left(+) 168 : [0.09712866693735123, 0.4663873314857483, -0.020865945145487785]
center far right(-) 168 : [0.8957332372665405, 0.5300301909446716, -0.015087775886058807]
center 30cm 168 : [0.5198474526405334, 0.6626048684120178, -0.07352134585380554]
center 50cm 168 : [0.5373921394348145, 0.5707638263702393, -0.029322298243641853]
center 70cm 168 : [0.536281168460846, 0.5683680176734924, -0.011821556836366653]
left end 70 168 : [0.037170425057411194, 0.5092762112617493, 0.002187703736126423] y : 30cm x : 70cm up
right end 70 168 : [0.924187421798706, 0.524340033531189, -0.005303841084241867] y : 30cm x : 70cm up