CPC H04N 13/254 (2018.05) [B60Q 1/04 (2013.01); H04N 13/239 (2018.05)] | 17 Claims |
1. A system, comprising:
an illuminator configured to emit an illumination signal for illuminating a scene; and
an optical receiver configured to receive returned portions of the illumination signal scattered or reflected from the scene;
wherein the illuminator and optical receiver are physically separated from each other by a predetermined distance that prevents a retro-reflection of a retroreflector from being received by the optical receiver;
wherein the predetermined distance is based on a retroreflection cone angle of the retro-reflection.
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