Human Activity Recognition in AAL Environments Using Random Projections

Table 4

Top features for binary classification of human activities.

Activity	WL	WR	WU	WD	RF	JU	Si	St	Sl	EU	ED
WF	97, 88, 91	85, 100, 88	15, 63, 42	14, 39, 34	10, 15, 60	10, 19, 37	17, 18, 30	19, 36, 35	34, 19, 36	15, 36, 35	15, 42, 63
WL		97, 91, 88	97, 63, 42	87, 97, 86	10, 37, 19	10, 37, 19	17, 18, 30	19, 36, 34	34, 19, 36	15, 36, 35	15, 42, 63
WR			63, 42, 15	34, 87, 39	10, 59, 37	10, 37, 19	17, 18, 30	19, 34, 14	34, 19, 85	15, 36, 35	15, 42, 63
WU				87, 39, 78	63, 42, 15	10, 19, 63	17, 18, 26	19, 14, 62	34, 19, 35	15, 36, 35	15, 42, 63
WD					65, 38, 34	10, 19, 60	17, 18, 7	19, 10, 20	19, 34, 35	15, 36, 35	15, 42, 63
RF						35, 36, 62	38, 36, 17	19, 10, 15	34, 19, 35	15, 36, 35	15, 42, 63
JU							4, 22, 16	19, 10, 15	19, 34, 36	15, 42, 63	15, 42, 63
Si								22, 5, 38	22, 4, 85	15, 42, 63	59, 60, 15
St									76, 85, 39	10, 15, 36	59, 11, 60
Sl										15, 22, 42	59, 60, 94
EU											59, 60, 10

WF: Walking Forward; WL: Walking Left; WR: Walking Right; WU: Walking Upstairs; WD: Walking Downstairs; RF: Running Forward; JU: Jumping Up; Si: Sitting; St: Standing; Sl: Sleeping; EU: Elevator Up; ED: Elevator Down.