Table 8: Classification results of the proposed system on IXMAS action dataset (A) using ANN, (B) using SVM, (C) using HMM, and (D) using existing HCRF [30], while removing the proposed HCRF model (unit: %).

ActivitiesCASDGUTAWalkWavePunchKick

(A)
CA655765435
SD572435434
GU437553244
TA674683543
Walk345470644
Wave465347134
Punch355673674
Kick454654369
Average69.62
(B)
CA773422354
SD379324522
GU566934544
TA232804432
Walk354271564
Wave263547343
Punch153413812
Kick367435468
Average74.75
(C)
CA793412434
SD184323142
GU018812323
TA523792324
Walk103190230
Wave231038623
Punch102304891
Kick324102484
Average84.77
(D)
CA901203400
SD385213321
GU019110232
TA132871222
Walk103189213
Wave021029031
Punch142123843
Kick124132483
Average87.38

CA: cross arm, SD: sit down, GU: get up, TA: turn around.