A Lightweight Hierarchical Model with Frame-Level Joints Adaptive Graph Convolution for Skeleton-Based Action Recognition

Table 4

Ablation experiments of the hierarchical model, temporal level, and random rotation (based on NTU60).

Method	Prams (M)	CS (%)	CV (%)
Spatial-temporal in spatial level	0.94	88.0	93.9
LSTM in temporal level	0.86	86.6	92.2
GRU in temporal level	0.85	87.3	92.5
Without rotation in point level	0.83	88.6	92.6
FLAGCN	0.83	89.4	94.8