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A Look at the Complex LIDAR Laser System Nokia Is Using to Map Terrain for Self-Driving Cars

by Brian Heater on December 18, 2014

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The team at the Nokia HERE mapping service is offering some insight into the view of the complex LIDAR system being used to help create models for self-driving cars. Used in tandem with GPS and cameras on its mapping cars, the LIDAR system uses 32 laser beams to collect 700,000 data points a second.

An inertial sensor tracks the pitch, roll, and yaw of the car so that the lidar data can be corrected for the position of the car and used to create a 3-D model of the roads it has traveled. The lidar instrument’s range tops out about 10-15 stories above the street. At street level, its resolution is just a few centimeters.

via Wired


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