A Grassmann graph embedding framework for gait analysis

Connie, Tee; Goh, Michael Kah Ong; Teoh, Andrew Beng Jin

doi:10.1186/1687-6180-2014-15

EURASIP Journal on Advances in Signal Processing

Table 3 Evaluating the effect of view angle changes for the same, mixed, and different view settings

From: A Grassmann graph embedding framework for gait analysis

		Methods
		Benchmark		Global				Local				Adaptive
		Score fusion	MSR[44]	SM-CC	SM-Proj	HK-CC	HK-Proj	SM-CC	SM-Proj	HK-CC	HK-Proj	SR-CC	SR-Proj
Unsupervised GGE	Same view setting
	TR, all angles	99.59	98.39	100	100	100	100	100	100	100	100	100	100
	TT, all angles	99.59	98.39	100	100	100	100	100	100	100	100	100	100
	Mixed view setting
	TR 1, 2, 3, 4, 5	100	96.37	100	99.19	100	99.19	100	98.79	100	99.19	100	99.59
	TT 1, 2, 4, 5, 6	100	96.37	100	99.19	100	99.19	100	98.79	100	99.19	100	99.59
	TR 2, 3, 4, 6, 8	99.19	97.58	100	98.39	100	98.79	100	98.79	100	98.39	100	99.19
	TT 2, 4, 6, 7, 9	99.19	97.58	100	98.39	100	98.79	100	98.79	100	98.39	100	99.19
	TR 1, 3, 4, 6, 8	97.58	95.96	100	98.79	100	99.19	100	98.39	100	98.79	100	99.19
	TT 2, 4, 6, 7, 8	97.58	95.96	100	98.79	100	99.19	100	98.39	100	98.79	100	99.19
	TR 2, 3, 4, 5, 6	96.77	93.14	97.98	93.95	97.98	88.71	97.98	90.73	97.98	90.32	98.39	97.58
	TT 1, 3, 5, 7, 9	96.77	93.14	97.98	93.95	97.98	88.71	97.98	90.73	97.98	90.32	98.39	97.58
	Different view setting
	TR 1, 3, 5, 7	71.77	95.16	99.60	74.60	99.60	74.20	99.60	68.55	98.79	71.78	99.60	75.40
	TT 2, 4, 6, 8	71.77	95.16	99.60	74.60	99.60	74.20	99.60	68.55	98.79	71.78	99.60	75.40
	TR 2, 4, 6, 9	75.40	90.72	99.19	92.74	99.19	95.16	99.19	93.55	98.79	93.55	99.19	81.05
	TT 1, 3, 5, 8	75.40	90.72	99.19	92.74	99.19	95.16	99.19	93.55	98.79	93.55	99.19	81.05
	TR 1, 2, 7, 8	66.12	55.24	83.47	41.13	84.68	48.39	85.89	52.02	84.68	39.11	86.53	66.94
	TT 3, 4, 5, 6	66.12	55.24	83.47	41.13	84.68	48.39	85.89	52.02	84.68	39.11	86.53	66.94
	TR 1, 2, 3, 4, 5	20.16	39.11	66.53	29.84	68.15	25.81	66.94	28.26	66.53	29.44	66.94	29.84
	TT 6, 7, 8, 9, 10	20.16	39.11	66.53	29.84	68.15	25.81	66.94	28.26	66.53	29.44	66.94	29.84
	TR 1, 2, 3, 4	24.59	19.75	42.34	18.95	43.15	18.55	43.55	22.58	41.13	21.77	48.39	25.81
	TT 7, 8, 9, 10	24.59	19.75	42.34	18.95	43.15	18.55	43.55	22.58	41.13	21.77	48.39	25.81
Supervised GGE	Same view setting
	TR, all angles	100	98.39	98.79	100	98.39	100	98.79	100	98.79	100	98.79	100
	TT, all angles	100	98.39	98.79	100	98.39	100	98.79	100	98.79	100	98.79	100
	Mixed view setting
	TR 1, 2, 3, 4, 5	100	96.37	97.58	99.19	96.37	99.19	97.58	99.19	97.18	99.19	98.39	98.39
	TT 1, 2, 4, 5, 6	100	96.37	97.58	99.19	96.37	99.19	97.58	99.19	97.18	99.19	98.39	98.39
	TR 2, 3, 4, 6, 8	99.19	97.58	97.18	98.79	97.18	98.39	97.58	98.79	97.98	98.79	97.58	99.19
	TT 2, 4, 6, 7, 9	99.19	97.58	97.18	98.79	97.18	98.39	97.58	98.79	97.98	98.79	97.58	99.19
	TR 1, 3, 4, 6, 8	97.58	95.96	95.97	98.38	95.16	98.79	95.97	98.79	95.97	97.98	97.18	98.79
	TT 2, 4, 6, 7, 8	97.58	95.96	95.97	98.38	95.16	98.79	95.97	98.79	95.97	97.98	97.18	98.79
	TR 2, 3, 4, 5, 6	96.77	93.14	94.76	91.94	94.76	89.11	95.16	92.34	95.16	91.53	93.95	88.71
	TT 1, 3, 5, 7, 9	96.77	93.14	94.76	91.94	94.76	89.11	95.16	92.34	95.16	91.53	93.95	88.71
	Different view setting
	TR 1, 3, 5, 7	71.77	95.16	93.95	71.37	93.95	72.18	93.95	70.97	93.95	62.90	94.35	55.24
	TT 2, 4, 6, 8	71.77	95.16	93.95	71.37	93.95	72.18	93.95	70.97	93.95	62.90	94.35	55.24
	TR 2, 4, 6, 9	75.40	90.72	93.15	93.15	93.15	92.74	93.55	93.55	93.55	91.94	93.95	84.27
	TT 1, 3, 5, 8	75.40	90.72	93.15	93.15	93.15	92.74	93.55	93.55	93.55	91.94	93.95	84.27
	TR 1, 2, 7, 8	66.12	55.24	77.02	44.35	76.21	39.52	77.42	47.98	76.21	44.76	78.63	22.98
	TT 3, 4, 5, 6	66.12	55.24	77.02	44.35	76.21	39.52	77.42	47.98	76.21	44.76	78.63	22.98
	TR 1, 2, 3, 4, 5	20.16	39.11	58.47	18.95	57.66	16.53	59.27	25.81	58.47	27.02	59.27	19.76
	TT 6, 7, 8, 9, 10	20.16	39.11	58.47	18.95	57.66	16.53	59.27	25.81	58.47	27.02	59.27	19.76
	TR 1, 2, 3, 4	24.59	19.75	37.10	11.29	37.50	11.69	38.31	13.71	37.50	10.89	42.34	13.31
	TT 7, 8, 9, 10	24.59	19.75	37.10	11.29	37.50	11.69	38.31	13.71	37.50	10.89	42.34	13.31

The values in bold refer to the highest accuracy rate for each scenario. TR, training set; TT, testing set.

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