There have been Kinect sensors with true time of flight. The first Kinect used triangulation, but Microsoft switched to time-of-flight for later models.[1]
There are several ways to do this. At short ranges, they all work. Then it gets hard, because not much energy is coming back.
Comments
There have been Kinect sensors with true time of flight. The first Kinect used triangulation, but Microsoft switched to time-of-flight for later models.[1]
There are several ways to do this. At short ranges, they all work. Then it gets hard, because not much energy is coming back.
[1] https://arxiv.org/abs/1505.05459
Nice, I didn't know that!