LIDAR is not the only way to record depth information When you mix two or more different ways of measuring depth you can increase the reliability of your syste

LIDAR is not the only way to record depth information When you mix two or more different ways of measuring depth you can increase the reliability of your system dramatically. See "sensor fusion". Optical-only has weaknesses. LIDAR-only has weaknesses. Optical plus LIDAR would be far more robust than either alone.