The ZCamTM is a video camera that can capture depth information (which is used to build the 3D model) along with video and is produced by 3DV Systems. The technology is based on the Time of Flight principle. In this technique, 3D depth data is generated by sending pulses of infra-red light into the scene and detecting the light reflected from the surfaces of objects in the scene. Using the time taken for a light pulse to travel to the target and back, the distance can be calculated and used to build up 3D depth information for all objects in the scene. (Via 3dvsystems)
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