TIME OF FLIGHT 101: MEASURING DISTANCE
A ToF camera measures distance by bouncing a beam of light off an object and back to a sensor. The ToF camera then measures the time delay between when the light is emitted and when the sensor receives the reflected light. The process is similar to ultrasound, which uses sound to measure distance, and radar, which uses radio waves. ToF cameras can generate high resolution depth maps with precision depth accuracies and spatial resolutions similar to RGB cameras. While radar has a longer range, ToF is more accurate, with higher resolution.
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