A new device that can play a major role in medical imaging, collision-avoidance for cars, interacting gaming and further more have been developed by a group of researchers at MIT Media Lab.
The three dimensional camera was presented last week at Siggraph Asia in Hong Kong. The camera works on the concept "Time of Flight" technology like the one used in Microsoft's recently launched second generation Kinect device.
In a conventional Time of Flight camera, a light signal is fired at a scene, where it bounces off an object and returns to strike the pixel. Since the speed of light is known, it is then simple for the camera to calculate the distance the signal has travelled and therefore the depth of the object it has been reflected from. But there were some issues when the environment changes, different surfaces in contact etc. It made it difficult to determine the correct measurement etc.
But now time changed. The new device uses an encoding technique commonly used in the telecommunications industry to calculate the distance a signal has travelled. The idea is similar to existing techniques that clear blurring in photographs. This development gives us a lot of hopes in my variety of fields. We can expect a commercial version soon. :) :D
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