I wonder if medium range/resolution sonar or sound cameras [0] could be useful for low resolution tracking. It would probably still be a bad idea [0] https://

I wonder if medium range/resolution sonar or sound cameras [0] could be useful for low resolution tracking. It would probably still be a bad idea [0] https://en.m.wikipedia.org/wiki/Acoustic_camera https://en.m.wikipedia.org/wiki/Acoustic_camera