Table 3 The values of \(\varphi\), \(\delta\), \({\chi }_{\mathrm{rqb}}\), and \({\omega }_{\mathrm{b}}\) of each extracted feature.
From: High-accuracy model recognition method of mobile device based on weighted feature similarity
Extraction Feature | \(\varphi\)(× 10–3) | \(\delta\)(× 10–3) | \({\chi }_{\mathrm{rqb}}\)(× 10–4) | \({\omega }_{\mathrm{b}}\)(%) |
|---|---|---|---|---|
Device dimensions | 15.368 | 18.155 | 86.634 | 9.948 |
Device weight | 14.076 | 16.796 | 79.015 | 9.073 |
Display size | 18.227 | 21.312 | 103.194 | 11.849 |
Screen-to-body ratio | 17.354 | 20.055 | 98.720 | 11.335 |
Resolution | 6.641 | 8.544 | 36.042 | 4.139 |
Display density | 12.320 | 14.761 | 69.034 | 7.927 |
Chipset | − 24.977 | − 25.671 | 0 | 0 |
GPU | − 24.384 | − 25.219 | 0 | 0 |
Internal memory | − 21.365 | − 20.942 | 0 | 0 |
Memory card | 2.084 | − 4.876 | 26.426 | 3.034 |
Operating system | − 18.941 | − 26.521 | 0 | 0 |
Battery capacity | 11.486 | 12.833 | 66.217 | 7.603 |
Battery charging | − 21.049 | − 24.086 | 0 | 0 |
Selfie camera | − 20.891 | − 24.156 | 0 | 0 |
Main camera | − 16.594 | − 20.205 | 0 | 0 |
Network technology | − 2.779 | − 1.674 | 0 | 0 |
SIM | 11.063 | 13.638 | 61.225 | 7.030 |
WLAN | 15.449 | 18.349 | 86.890 | 9.977 |
NFC | 0.159 | − 1.902 | 5.076 | 0.583 |
Bluetooth | 19.028 | 22.197 | 107.827 | 12.381 |
GPS | 7.727 | 8.609 | 44.595 | 5.121 |
