3D Map Building Using a 2D Laser Scanner

In this paper we present a technique to build 3D maps of the environment using a 2D laser scanner combined with a robot's action model. This paper demonstrates that it is possible to build 3D maps in a cheap way using an angled 2D laser. We introduce a scan matching method to minimize the odometer errors of the robotics platform and a calibration method to improve the accuracy of the system. Some experimental results and conclusions are presented.

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