Technology 3DV Systems' image sensing technology generates distance (depth) information for each pixel or object captured by the camera, as well as color video. The technology is based on the Time-Of-Flight (TOF) principle. The Depth information is captured by emitting pulses of infra-red light to all objects in the scene and sensing the reflected light from the surface of each object. All objects in the scene are then arranged in layers according to the distance information sensed by the D pixels in the camera, providing the Depth information in real time as standard black and white video where the grey-level correlates to relative distance. Color data is provided using a normal color imaging sensor. The company has filed for 22 patents related to its technology, 7 of which were granted to date.
http://www.3dvsystems.com/technology/tech.html
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