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Time of flight of a light pulse reflecting off a target. A time-of-flight camera (ToF camera), also known as time-of-flight sensor (ToF sensor), is a range imaging camera system for measuring distances between the camera and the subject for each point of the image based on time-of-flight, the round trip time of an artificial light signal, as provided by a laser or an LED.
Terrestrial lidar systems cost around €300,000. Systems using regular still cameras mounted on RC helicopters (Photogrammetry) are also possible, and cost around €25,000. Systems that use still cameras with balloons are even cheaper (around €2,500), but require additional manual processing.
Lidar (/ ˈ l aɪ d ɑːr /, also LIDAR, LiDAR or LADAR, an acronym of "light detection and ranging" [1] or "laser imaging, detection, and ranging" [2]) is a method for determining ranges by targeting an object or a surface with a laser and measuring the time for the reflected light to return to the receiver.
Stereo triangulation is an application of stereophotogrammetry where the depth data of the pixels are determined from data acquired using a stereo or multiple-camera setup system. This way it is possible to determine the depth to points in the scene, for example, from the center point of the line between their focal points.
Face ID system works by projecting more than 30,000 infrared dots onto a face and producing a 3D facial map. VicoVR sensor uses a pattern of infrared points for skeletal tracking. Chiaro Technologies uses a single engineered pattern of infrared points called Symbolic Light to stream 3D point clouds for industrial applications; Made to measure ...
TriDAR, or Triangulation and LIDAR Automated Rendezvous and Docking, [1] is a relative navigation vision system developed by Neptec Design Group and funded by the Canadian Space Agency and NASA. It provides guidance information that can be used to guide an unmanned vehicle during rendezvous and docking operations in space.
It combines 3D imaging with Doppler analysis to create the additional dimension – velocity. [15] A 60GHz 4D imaging radar sensor from Vayyar Imaging. A 4D imaging radar system measures the time of flight from each transmitting (Tx) antenna to a target and back to each receiving (Rx) antenna, processing data from the numerous ellipsoids formed.
It builds high-resolution, digital 3D lidar sensors for use in autonomous vehicles, industrial, robotics, drones, mapping, defense, and security systems. [3] [4] [5] Its sensors produce images from ambient infrared, with software that enables a vehicle's sensing and mapping functions. [6] [7]
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