ToF camera technology adopts an active light detection method. Different from the general lighting requirements, the purpose of the ToF camera illumination unit is not to illuminate, but to measure the distance by using the change of the incident light signal and the reflected light signal. The ToF illumination units are all After high-frequency modulation of the light, it is emitted. The pulsed light emitted by LED or laser diode is used, and the pulse can reach 100MHz. Similar to the ordinary camera, the front end of the ToF camera chip needs a lens to collect light.
Compared with stereo cameras or triangulation systems, ToF cameras are small in size and are very suitable for some occasions that require lightweight and small cameras. ToF cameras can quickly calculate depth information in real time, reaching tens to 100fps.
Advantage of ToF camera is that can complete traditional applications such as tagging, recognition, and so on of target images. After further processing, it can complete applications such as 3D modeling, and can quickly complete target recognition and tracking. Because of its many advantages, it is widely used.
