Metric Identification of the Same People from Images: How Reliable Is It?

Table 4

Means, SD, CV, R values, TEM, and CV-TEM for all ratios under all three conditions.

	Manual measurements						High quality photos					Low quality photos
	Landmarks	Mean	SD	CV-ratio	TEM	CV-TEM	Mean	SD	CV-ratio	TEM	CV-TEM	Mean	SD	CV-ratio	TEM	CV-TEM
Ratio 1	a, tro, ti, b	1.40	0.07	5.05	0.08	5.86	1.36	0.11	7.82	0.11	7.82	1.33	0.19	14.54	0.21	15.81
Ratio 2	m, n, sn, sto	1.14	0.03	2.79	0.03	2.40	1.17	0.09	8.01	0.10	8.01	1.22	0.18	14.58	0.16	12.88
Ratio 3	n, sn, sto, gn	1.99	0.19	9.65	0.16	7.93	1.88	0.33	17.61	0.31	17.61	1.46	0.28	19.06	0.27	18.30
Ratio 4	a, sy, ti, b	1.45	0.07	5.16	0.07	4.66	1.44	0.09	6.26	0.09	6.26	1.30	0.11	8.48	0.10	7.30
Ratio 5	v, sst, sy, b	1.31	0.04	2.72	0.03	2.06	1.27	0.04	3.27	0.04	3.27	1.24	0.03	3.16	0.04	3.25
Ratio 6	t, sst, sy, b	1.20	0.03	2.24	0.02	2.24	1.17	0.04	3.07	0.03	3.07	1.16	0.07	6.67	0.08	7.02
Ratio 7	v, t, sst, b	1.61	0.09	5.28	0.07	5.28	1.71	0.24	13.88	0.23	13.88	1.58	0.16	10.49	0.15	9.51
Ratio 8	a, ic, ic, a	1.02	0.02	1.58	0.01	1.58	1.01	0.02	1.87	0.01	1.87	1.16	0.21	18.26	0.18	16.00
Ratio 9	ic, zy, zy, ic	1.16	0.05	3.91	0.02	3.91	1.16	0.06	5.13	0.04	5.13	1.17	0.17	15.10	0.13	10.23
Ratio 10	a, zy, zy, a	1.32	0.03	2.52	0.02	2.52	1.27	0.09	7.27	0.10	7.27	1.33	0.15	11.25	0.14	10.83