bobbert on 24 October 2010
| daroamer said: I didn't say it was exactly like sonar, only that it was a similar principle. Sonar is measuring the time it takes to hear a reflection and Kinect is using the amount of light it receives back from a reflection. In both cases is using reflection to measure distance, simply one is audio/time based and the other is light/luminosity based. |
No, it is not using the amount of light it gets in return. It is using the distortion of a pattern. That's what you still don't understand so I don't know why I bother to keep explaining it to you.
For example, the IR emitter may send a grid, and the camera may see this:
