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Comparing ICP variants on real-world data sets Open-source library and experimental protocol

Abstract : Many modern sensors used for mapping produce 3D point clouds, which are typically registered together using the iterative closest point (ICP) algorithm. Because ICP has many variants whose performances depend on the environment and the sensor, hundreds of variations have been published. However, no comparison frameworks are available, leading to an arduous selection of an appropriate variant for particular experimental conditions. The first contribution of this paper consists of a protocol that allows for a comparison between ICP variants, taking into account a broad range of inputs. The second contribution is an open-source ICP library, which is fast enough to be usable in multiple real-world applications, while being modular enough to ease comparison of multiple solutions. This paper presents two examples of these field applications. The last contribution is the comparison of two baseline ICP variants using data sets that cover a rich variety of environments. Besides demonstrating the need for improved ICP methods for natural, unstructured and information-deprived environments, these baseline variants also provide a solid basis to which novel solutions could be compared. The combination of our protocol, software, and baseline results demonstrate convincingly how open-source software can push forward the research in mapping and navigation.
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Submitted on : Friday, April 17, 2015 - 4:42:45 PM
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François Pomerleau, Francis Colas, Roland Siegwart, Stéphane Magnenat. Comparing ICP variants on real-world data sets Open-source library and experimental protocol. Autonomous Robots, Springer Verlag, 2013, 34 (3), pp.133--148. ⟨10.1007/s10514-013-9327-2⟩. ⟨hal-01143458⟩

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