Table 3.

Performance comparison in the second protocol between simple networks method and high accuracy method via MPJPE from the Human 3.6M dataset

Millisecond	80 ms	160 ms	320 ms	400 ms	560 ms	1000 ms	Backbone	Parameter (M)
LTD [17]	12.7	26.1	52.3	63.5	81.6	114.3	GCN	2.6
Zero-velocity [12]	24.3	45.3	78.1	90.5	109.2	137.8	-	-
STSGCN [15]	17.8	34.0	57.3	68.6	85.8	117.5	GCN	< 0.1
MMixer-3Da [16]	13.1	27.1	54.8	66.5	84.4	117.6	MLP	< 0.1
siMLPea [30]	10.9	24.6	53.0	65.1	84.8	119.1	MLP	0.14
PGBIGa [8]	10.6	23.0	47.8	58.9	77.3	110.2	GCN	1.7
Ours	11.3	26.8	56.7	69.1	88.8	123.2	MLP	< 0.1

The best are highlighted in bold. ^arepresents the model being retrained and tested due to the use of different testing criteria