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of more hardware . For example , security cameras typically track the entry / exit areas but not the office occupancy areas .
Video analytics is also limited by the ambient lighting and the field of vision of the cameras .
LiDAR
Light Detection and Ranging ( LiDAR ) sensors use near visible light spectrum to image objects . LiDAR sends a light pulse and based on the time it takes for the pulse to travel back after reflection , determines the distance to that point in the given space . By combining light pulses of varying wavelengths to scan and measure the area around them , the LiDARs create a highresolution image of their surroundings , also called a 3D point cloud . While popular in automotive applications , this same feature of LiDAR makes it a good fit for monitoring and tracking applications for office space occupancy .
- 22 - November 2020