System and method for calibrating light intensity

A system for light intensity calibration, comprising one or more processors and one or more non-transitory computer-readable memories coupled to the one or more processors and configured with instructions executable by the one or more processors to cause the system to perform operations comprising:

• emitting a plurality of light beams from a plurality of light emitters of a LIDAR (Light Detection And Ranging) device,
• receiving reflected light of the plurality of light beams by a plurality of light detectors of the LIDAR device, wherein the reflected light comprises a reference intensity distribution associated with a reference beam of the plurality of light beams, and one or more non-reference intensity distributions associated with one or more non-reference beams of the plurality of light beams;
• and
• calibrating the one or more non-reference intensity distribution to the reference intensity distribution.

A non-transitory computer-readable storage medium coupled to a processor and comprising instructions that, when executed by the processor, cause the processor to perform a method for light intensity calibration, the method comprising:

• emitting a plurality of light beams from a plurality of light emitters of a LIDAR (Light Detection And Ranging) device;
• receiving reflected light of the plurality of light beams by a plurality of light detectors of the LIDAR device, wherein the reflected light comprises a reference intensity distribution associated with a reference beam of the plurality of light beams, and one or more non-reference intensity distributions associated with one or more non-reference beams of the plurality of light beams;
• and
• calibrating the one or more non-reference intensity distribution to the reference intensity distribution.

A system for light intensity calibration, implementable on a LIDAR (Light Detection And Ranging) device, the system comprising:

• a plurality of rotatable light emitters and detectors mountable on a movable vehicle, the each light emitter emitting a beam and the each light detector detecting an reflection of the corresponding beam while in rotation as the vehicle moves relative to an area;
• and
• a processor coupled to the detectors and configured to:
• obtain a plurality of intensity distributions of the reflected light from the area;
• determine a reference intensity distribution from the plurality of intensity distributions, wherein the reference intensity distribution is associated with a reference beam, the plurality of intensity distributions excluding the reference intensity distribution are one or more non-reference intensity distributions, and the one or more non-reference intensity distributions are associated with one or more non-reference beams;
• and
• align the one or more non-reference intensity distributions to the reference intensity distribution to calibrate the one or more non-reference intensity distributions against the reference intensity distribution.