Nonnegative Tensor-Based Linear Dynamical Systems for Recognizing Human Action from 3D Skeletons

Table 1

Recognition rate on the MSR-Action3D dataset based on AS1, AS2, and AS3.

Approach	AS1	AS2	AS3	Overall
SE3[12]	94.34	83.87	97.43	91.88
EigenJoints[13]	74.5	76.1	96.4	83.30
Ensemble TS-LSTM[14]	95.24	96.43	100	97.22
tLDS[6]	96.81	89.14	98.83	94.85
Bi-LSTM[15]	92.72	84.93	97.89	91.84
2NJP-nLDS	94.13	92.02	98.56	94.90
2NRBD-nLDS	96.04	92.86	96.22	95.04
3NJAP-nLDS	95.67	93.15	98.64	95.82
3NJAD-nLDS	96.88	95.72	98.15	96.92
Our approach	97.53	96.5	98.87	97.63