Table 3.
Latency results of EVM with BlazeFace on each hardware platform.
| Hardware | Resolution | Read Frame (ms) |
CNN (ms) |
Post-Process (ms) |
Signal Process (ms) |
Overlay/Display (ms) |
FPS | Average FPS |
|---|---|---|---|---|---|---|---|---|
| PC | 1920 × 1080 | 1.66 | 2.63 | 0.16 | 2.61 | 0.36 | 134.18 | 156.5 |
| 1280 × 720 | 0.76 | 2.38 | 0.14 | 2.63 | 0.36 | 158.96 | ||
| 640 × 360 | 0.17 | 2.22 | 0.26 | 2.64 | 0.36 | 176.4 | ||
| RP4_32bit | 1920 × 1080 | 29.66 | 26.6 | 3.30 | 21.45 | 9.34 | 11.05 | 11.7 |
| 1280 × 720 | 13.67 | 24.22 | 3.30 | 29.17 | 17.19 | 11.41 | ||
| 640 × 360 | 4.19 | 24.93 | 3.45 | 29.08 | 17.24 | 12.66 | ||
| RP4_64bit | 1920 × 1080 | 15.55 | 20.25 | 1.34 | 13.41 | 5.08 | 17.94 | 22.3 |
| 1280 × 720 | 8.21 | 16.15 | 1.33 | 13.28 | 5.16 | 22.64 | ||
| 640 × 360 | 2.41 | 14.94 | 2.16 | 13.50 | 5.12 | 26.20 | ||
| Nano | 1920 × 1080 | 13.7 | 15.37 | 1.40 | 14.19 | 5.64 | 19.67 | 24.0 |
| 1280 × 720 | 6.89 | 12.41 | 1.42 | 14.48 | 5.63 | 24.28 | ||
| 640 × 360 | 1.91 | 11.13 | 2.02 | 14.44 | 5.58 | 28.18 | ||
| XavierNX:6 | 1920 × 1080 | 15.89 | 12.26 | 1.41 | 5.31 | 2.00 | 26.43 | 39.2 |
| 1280 × 720 | 8.27 | 8.86 | 1.28 | 5.71 | 2.18 | 37.34 | ||
| 640 × 360 | 1.47 | 6.92 | 2.96 | 4.61 | 2.04 | 53.91 | ||
| XavierNX:8 | 1920 × 1080 | 13.35 | 9.68 | 1.06 | 5.54 | 2.43 | 30.60 | 39.3 |
| 1280 × 720 | 6.83 | 7.68 | 1.04 | 5.77 | 2.59 | 40.81 | ||
| 640 × 360 | 1.44 | 7.98 | 3.32 | 5.59 | 2.52 | 46.57 |