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标题:Localization of Classified Objects in SLAM using Nonparametric Statistics and Clustering
作者:Asif Iqbal and Nicholas R. Gans
来源:2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)
编译:明煜航
审核:陈世浪,颜青松
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摘要
传统的同时定位与建图(SLAM)在点、线、面的基础上建立地图。这些地图所构建的视觉环境没有包含任何语义或者物体信息。近年来机器学习的发展让目标检测达到了极高的正确率,并且能够检测出很多物体。目标检测能够有效的帮助SLAM在建图过程中融入语义信息。
在这过程中,一个主要的困难在于对一段时间内检测到的物体的数据关联。作者展示了一种无参数的统计方法来解决连续帧中被检测到的物体的数据关联问题。随后作者使用了一种无监督聚类方法来识别物体是否存在于地图之中。整个这个线程可以与SLAM平行运行。
该算法的性能在几个公开数据集上进行了测试,其结果表明了这种在SLAM中定位物体的算法是非常有前景的。
Abstract
Traditional Simultaneous Localization and Mapping (SLAM) approaches build maps based on points, lines or planes. These maps visually resemble the environment but without any semantic or information about the objects in the environment. Recent advancements in machine learning have made object detection highly accurate and reliable with large set of objects. Object detection can effectively help SLAM to incorporate semantics in the mapping process. One of the main obstacles is data association between detected objects over time. We demonstrate a nonparametric statistical approach to solve the data association between detected objects over consecutive frames. Then we use an unsupervised clustering method to identify the existence of objects in the map. The complete process can be run in parallel with SLAM. The performance of our algorithm is demonstrated on several public datasets, which shows promising results in locating objects in SLAM.
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