arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2103.00784cs.RO
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LiTAMIN2:超轻型LiDAR-based SLAM,使用KL-发散应用几何近似

LiTAMIN2: Ultra Light LiDAR-based SLAM using Geometric Approximation applied with KL-Divergence

Human-Centered Mobility Research Center (HCMRC), National Institute of Advanced Industrial Science and Technology (AIST)(人类中心移动研究中心(HCMRC)、独立行政法人产业技术综合研究所(AIST))

Masashi Yokozuka, Kenji Koide, Shuji Oishi, Atsuhiko Banno

摘要:

本文提出了一种三维光探测与测距同时定位与地图构建(SLAM)方法,该方法适用于500--1000 Hz处理的跟踪与地图构建。所提出的方法显着减少了用于点云配准的点的数量,使用一种新的ICP度量,以加快配准过程,同时保持精度。当点的数量减少时,使用ICP的点云配准不太准确,因为ICP基本上最小化了点之间的距离。为了避免这个问题,对称KL发散被引入到ICP成本,反映两个概率分布之间的差异。成本不仅包括点之间的距离,还包括分布形状之间的差异。在KITTI数据集上的实验结果表明,该方法具有较高的计算效率,性能明显优于其他方法,并且具有与最先进的SLAM方法相似的精度。

英文摘要:

In this paper, a three-dimensional light detection and ranging simultaneous localization and mapping (SLAM) method is proposed that is available for tracking and mapping with 500--1000 Hz processing. The proposed method significantly reduces the number of points used for point cloud registration using a novel ICP metric to speed up the registration process while maintaining accuracy. Point cloud registration with ICP is less accurate when the number of points is reduced because ICP basically minimizes the distance between points. To avoid this problem, symmetric KL-divergence is introduced to the ICP cost that reflects the difference between two probabilistic distributions. The cost includes not only the distance between points but also differences between distribution shapes. The experimental results on the KITTI dataset indicate that the proposed method has high computational efficiency, strongly outperforms other methods, and has similar accuracy to the state-of-the-art SLAM method.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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