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A Tightly-coupled Semantic SLAM System with Visual, Inertial and Surround-view Sensors for Autonomous Indoor Parking
Xuan Shao1; Lin Zhang1; Tianjun Zhang1; Ying Shen1; Hongyu Li2; Yicong Zhou3
2020-10-12
Conference NameThe 28th ACM International Conference on Multimedia
Source PublicationMM 2020 - Proceedings of the 28th ACM International Conference on Multimedia
Pages2691-2699
Conference Date12 - 16 October 2020
Conference PlaceSeattle WA USA
CountryUSA
Abstract

The semantic SLAM (simultaneous localization and mapping) system is an indispensable module for autonomous indoor parking. Monocular and binocular visual cameras constitute the basic configuration to build such a system. Features used in existing SLAM systems are often dynamically movable, blurred and repetitively textured. By contrast, semantic features on the ground are more stable and consistent in the indoor parking environment. Due to their inabilities to perceive salient features on the ground, existing SLAM systems are prone to tracking loss during navigation. Therefore, a surround-view camera system capturing images from a top-down viewpoint is necessarily called for. To this end, this paper proposes a novel tightly-coupled semantic SLAM system by integrating Visual, Inertial, and Surround-view sensors, VIS SLAM for short, for autonomous indoor parking. In VIS SLAM, apart from low-level visual features and IMU (inertial measurement unit) motion data, parking-slots in surround-view images are also detected and geometrically associated, forming semantic constraints. Specifically, each parking-slot can impose a surround-view constraint that can be split into an adjacency term and a registration term. The former pre-defines the position of each individual parking-slot subject to whether it has an adjacent neighbor. The latter further constrains by registering between each observed parking-slot and its position in the world coordinate system. To validate the effectiveness and efficiency of VIS SLAM, a large-scale dataset composed of synchronous multi-sensor data collected from typical indoor parking sites is established, which is the first of its kind. The collected dataset has been made publicly available at https://cslinzhang.github.io/VISSLAM/.

KeywordAutonomous Indoor Parking Parking-slot Semantic Mapping Surround-view Camera System
DOI10.1145/3394171.3413867
URLView the original
Indexed ByCPCI-S ; CPCI-SSH
Language英語English
WOS Research AreaComputer Science ; Imaging Science & Photographic Technology
WOS SubjectComputer Science, Artificial Intelligence ; Computer Science, Information Systems ; Computer Science, Interdisciplinary Applications ; Computer Science, Software Engineering ; Imaging Science & Photographic Technology
Scopus ID2-s2.0-85098109837
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Document TypeConference paper
CollectionDEPARTMENT OF COMPUTER AND INFORMATION SCIENCE
Faculty of Science and Technology
Corresponding AuthorLin Zhang; Ying Shen
Affiliation1.School of Software Engineering, Tongji Unversity Shanghai, China
2.School of Software Engineering, Tongji Unversity Shanghai, China
3.Department of Computer and Information Science, University of Macau, China
Recommended Citation
GB/T 7714
Xuan Shao,Lin Zhang,Tianjun Zhang,et al. A Tightly-coupled Semantic SLAM System with Visual, Inertial and Surround-view Sensors for Autonomous Indoor Parking[C], 2020, 2691-2699.
APA Xuan Shao., Lin Zhang., Tianjun Zhang., Ying Shen., Hongyu Li., & Yicong Zhou (2020). A Tightly-coupled Semantic SLAM System with Visual, Inertial and Surround-view Sensors for Autonomous Indoor Parking. MM 2020 - Proceedings of the 28th ACM International Conference on Multimedia, 2691-2699.
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