Consistency of Outputs of the Selected Motion Acquisition Methods for Human Activity Recognition

Table 3

Matrix of recognition errors (in %) of activities 1a to 6b for all volunteers for sensor C.

C		Performed activity
		1a	1b	2a	2b	3a	3b	4a	4b	5a	5b	6a	6b
Recognized activity	1a	90.8	0.3			4.1		0.5		0.5
	1b		91.8				3.9		0.9
	2a	0.3	0.8	95.7	1.5				0.7	0.2	0.7
	2b	1.8		1.3	96.7				0.2	0.9	1.4
	3a	3.1				94.9	0.2			0.5
	3b		2.0				92.4			0.5
	4a	2.8	0.5	0.8	1.0	1.0	0.2	95.3	4.0	4.6	1.6
	4b	0.3	3.3	1.5	0.5		1.7	3.8	93.6	1.6	5.5
	5a	1.0		0.3				0.5		87.0	2.7	0.3	0.3
	5b		1.3	0.5	0.3		1.5		0.5	4.3	88.2
	6a											94.9	2.7
	6b											4.8	97.1