Table 8  Performance of Different Functionalities on Various Platforms.
Performance (Millisecond)  BLE Proximity Detection  Video-Based People Density  Video-Based Physical Distancing  Video-Based Risky Behavior Detection  Audio-Based Risky Behavior Detection
Desktop  -  57  52  40  170
Jetson NX  -  670  590  250  230
Mobile App on Galaxy S9  <60  -  -  -  -