Personal Identification Based on Vectorcardiogram Derived from Limb Leads Electrocardiogram

Table 1

Rank for each set of 21 features extracted from dVCGs based on a standard 12-lead and limb-lead ECG, respectively.

Rank	12-Lead System		Limb-Lead System
	𝑤(𝑓)	Feature	𝑤(𝑓)	Feature
1	0.26028	𝑇angle	0.29471	VCGpeak
2	0.25459	𝑇maxang	0.22822	QRSarea
3	0.24278	QRSmaxdist	0.22220	QRSTdiffarea
4	0.17459	QRSmaxang	0.20969	QRSmindist
5	0.16736	QRSmindist	0.20752	𝑇peak
6	0.16552	QRSarea	0.18580	𝑇maxang
7	0.16499	QRSTdiffarea	0.18002	𝑇angle
8	0.16268	VCGpeak	0.17490	QRSmaxdist
9	0.14688	QRSpeak	0.16626	𝑇maxdist
10	0.14518	VCGelevation	0.14507	QRSTratiopeak
11	0.11549	QRSlwratio	0.12638	QRSTdiffang
12	0.11397	QRSTdiffang	0.11331	QRSlwratio
13	0.10033	𝑇area	0.10956	QRSmaxang
14	0.09135	𝑇maxdist	0.10570	QRSpeak
15	0.08369	VCGazimuth	0.07650	VCGazimuth
16	0.07818	𝑇peak	0.07066	QRSangle
17	0.06905	𝑇mindist	0.06596	VCGelevation
18	0.05022	QRSangle	0.05100	𝑇lwratio
19	0.03320	QRSTratiopeak	0.03715	𝑇area
20	0.02709	𝑇lwratio	0.02179	𝑇mindist
21	0.00263	QRSTratioarea	0.00091	QRSTratioarea