CPC H04N 13/254 (2018.05) [G01S 7/4815 (2013.01); G01S 7/4865 (2013.01); G01S 17/894 (2020.01); H04N 13/296 (2018.05)] | 14 Claims |
1. A time of flight (ToF) camera comprising:
a light source unit including an infrared light-emitting device array and configured to generate a light signal;
a lens unit disposed on the light source unit and including a plurality of lenses; and
an adjustment unit configured to adjust the lens unit such that a light pattern of the light signal, which has passed through the lens unit, becomes a surface lighting or a spot lighting including a plurality of spot patterns,
wherein the lens unit is configured to have a preset and controllable distortion aberration in a form of barrel distortion in which irradiance of the light pattern decreases in a direction away from a central portion.
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