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- research-articleDecember 2024
αLiDAR: An Adaptive High-Resolution Panoramic LiDAR System
ACM MobiCom '24: Proceedings of the 30th Annual International Conference on Mobile Computing and NetworkingPages 1515–1529https://doi.org/10.1145/3636534.3690708LiDAR technology holds vast potential across various sectors, including robotics, autonomous driving, and urban planning. However, the performance of current LiDAR sensors is hindered by limited field of view (FOV), low resolution, and lack of flexible ...
- research-articleNovember 2024
A cross-modal feature aggregation and enhancement network for hyperspectral and LiDAR joint classification
Expert Systems with Applications: An International Journal (EXWA), Volume 258, Issue Chttps://doi.org/10.1016/j.eswa.2024.125145AbstractAdvancements in Earth observation technologies have greatly enhanced the potential of integrating hyperspectral (HS) images with Light Detection and Ranging (LiDAR) data for land use and land cover classification. Despite this, most existing ...
Highlights- A newly Cross-modal feature aggregation is introduced for HS and LiDAR.
- Two feature aggregation strategies refine spatial location details.
- INNs feature enhancement is to preserve local contextual integrity.
- articleDecember 2024
A Novel Spatial Data Pipeline for Streaming Smart City Data
- Chase D. Carthen,
- Araam Zaremehrjardi,
- Scotty Strachan,
- Alireza Tavakkoli,
- Sergiu M. Dascalu,
- Vinh Dac Le,
- Carlos G. Cardillo,
- Frederick C. Harris, Jr.
International Journal of Software Innovation (IJSI), Volume 12, Issue 1Pages 1–15https://doi.org/10.4018/IJSI.359180Point cloud data from light detection and ranging (LiDAR) is often used for its spatial qualities, particularly in smart city projects involving vehicles and pedestrians. In this paper, the authors introduce a streaming and an on-demand pipeline for ...
- research-articleNovember 2024
Cross transformer for LiDAR-based loop closure detection
Machine Vision and Applications (MVAA), Volume 36, Issue 1https://doi.org/10.1007/s00138-024-01629-wAbstractLoop closure detection, also known as place recognition, a key component of simultaneous localization and mapping (SLAM) systems, aims to recognize previously visited locations and reduce the accumulated drift error caused by odometry. Current ...
- research-articleNovember 2024
Boosting Collaborative Vehicular Perception on the Edge with Vehicle-to-Vehicle Communication
- Ruiyang Zhu,
- Xiao Zhu,
- Anlan Zhang,
- Xumiao Zhang,
- Jiachen Sun,
- Feng Qian,
- Hang Qiu,
- Z. Morley Mao,
- Myungjin Lee
SenSys '24: Proceedings of the 22nd ACM Conference on Embedded Networked Sensor SystemsPages 141–154https://doi.org/10.1145/3666025.3699328Collaborative Vehicular Perception (CVP) enables connected and autonomous vehicles (CAVs) to cooperatively extend their views through wirelessly sharing their sensor data. Existing CVP systems employ either a vehicle-to-vehicle (V2V) or vehicle-to-...
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- research-articleNovember 2024
MS23D: A 3D object detection method using multi-scale semantic feature points to construct 3D feature layer
AbstractLiDAR point clouds can effectively depict the motion and posture of objects in three-dimensional space. Many studies accomplish the 3D object detection by voxelizing point clouds. However, in autonomous driving scenarios, the sparsity and ...
- posterOctober 2024
RAIS: Towards A Robotic Mapping and Assessment Tool for Indoor Accessibility Using Commodity Hardware
ASSETS '24: Proceedings of the 26th International ACM SIGACCESS Conference on Computers and AccessibilityArticle No.: 86, Pages 1–5https://doi.org/10.1145/3663548.3688512Mapping, assessing, and creating personalized routes of indoor spaces for people with disabilities remains a grand challenge in accessibility research. Drawing on recent work in robotics as well as emergent work in smartphone-based mapping, we introduce ...
- research-articleOctober 2024
LILOC: Leveraging LiDARs for Accurate 3D Localization in Dynamic Indoor Environments
ACM Transactions on Internet of Things (TIOT), Volume 5, Issue 4Article No.: 23, Pages 1–33https://doi.org/10.1145/3695881We present LiLoc, a system for precise 3D localization and tracking of mobile IoT devices (e.g., robots) in indoor environments using multi-perspective LiDAR sensing. LiLoc stands out with two key differentiators. First, unlike traditional localization ...
- research-articleOctober 2024
Dynamic object detection using sparse LiDAR data for autonomous machine driving and road safety applications
Expert Systems with Applications: An International Journal (EXWA), Volume 255, Issue PBhttps://doi.org/10.1016/j.eswa.2024.124636Graphical abstractDisplay Omitted
AbstractLight Detection And Ranging (LiDAR) sensor offers solutions to extract real-time information of vehicle’s surroundings and can provide a new opportunity to improve the road safety related issues in mixed traffic conditions. This paper explores ...
- ArticleOctober 2024
LiDAR-Based All-Weather 3D Object Detection via Prompting and Distilling 4D Radar
AbstractLiDAR-based 3D object detection models show remarkable performance, however their effectiveness diminishes in adverse weather. On the other hand, 4D radar exhibits strengths in adverse weather but faces limitations in standalone use. While fusing ...
- ArticleOctober 2024
Equivariant Spatio-temporal Self-supervision for LiDAR Object Detection
AbstractPopular representation learning methods encourage feature invariance under transformations applied at the input. However, in 3D perception tasks like object localization and segmentation, outputs are naturally equivariant to some transformations, ...
- ArticleOctober 2024
LISO: Lidar-Only Self-supervised 3D Object Detection
Abstract3D object detection is one of the most important components in any Self-Driving stack, but current state-of-the-art (SOTA) lidar object detectors require costly & slow manual annotation of 3D bounding boxes to perform well. Recently, several ...
- research-articleDecember 2024
Global Terrain Registration of LiDAR and Camera Fusion Using Multiple Calibrators
BDIOT '24: Proceedings of the 2024 8th International Conference on Big Data and Internet of ThingsPages 144–148https://doi.org/10.1145/3697355.3697379The fusion of LiDAR and camera sensors is extensively applied in the field of 3D reconstruction. LiDAR provides high-accuracy measurements and strong anti-interference capabilities, while cameras offer rich color and texture information. This paper ...
- research-articleSeptember 2024Best Paper
An Energy-Efficient 3D Point Neural Network Accelerator with Fine-grained LiDAR-SoC Pipeline Structure
ISLPED '24: Proceedings of the 29th ACM/IEEE International Symposium on Low Power Electronics and DesignPages 1–6https://doi.org/10.1145/3665314.36708463D point neural network (PNN) segmentation using LiDAR data has emerged as a fundamental stage of high-level intelligence algorithms for autonomous applications such as SLAM, path planning, object detection, etc. However, previous processors were not ...
- research-articleNovember 2024
Global principal planes aided LiDAR-based mobile mapping method in artificial environments
Advanced Engineering Informatics (ADEI), Volume 61, Issue Chttps://doi.org/10.1016/j.aei.2024.102472Abstract3-D mapping of buildings is crucial for urban renewal, but traditional LiDAR-based mapping methods are often less effective for buildings with narrow spaces and limited geometric features. Current methods attempt to overcome this by integrating ...
- research-articleJuly 2024
DenseSphere: Multimodal 3D object detection under a sparse point cloud based on spherical coordinate
Expert Systems with Applications: An International Journal (EXWA), Volume 251, Issue Chttps://doi.org/10.1016/j.eswa.2024.124053AbstractMultimodal 3D object detection has gained significant attention due to the fusion of light detection and range (LiDAR) and RGB data. Existing 3D detection models in autonomous driving are typically trained on dense point cloud data from high-...
- research-articleJuly 2024
Panoptic-FusionNet: Camera-LiDAR fusion-based point cloud panoptic segmentation for autonomous driving
Expert Systems with Applications: An International Journal (EXWA), Volume 251, Issue Chttps://doi.org/10.1016/j.eswa.2024.123950AbstractAccurate and reliable perception is essential for the safe operation of autonomous cars. The task of Light Detection And Ranging (LiDAR) panoptic segmentation plays a crucial role in predicting point-level classes and instance IDs within a 3D ...
- research-articleJuly 2024
SRFDet3D: Sparse Region Fusion based 3D Object Detection
AbstractUnlike the earlier 3D object detection approaches that formulate hand-crafted dense (in thousands) object proposals by leveraging anchors on dense feature maps, we formulate n p (in hundreds) number of learnable sparse object proposals to predict ...
- otherAugust 2024
MARS-LVIG dataset: A multi-sensor aerial robots SLAM dataset for LiDAR-visual-inertial-GNSS fusion
- Haotian Li,
- Yuying Zou,
- Nan Chen,
- Jiarong Lin,
- Xiyuan Liu,
- Wei Xu,
- Chunran Zheng,
- Rundong Li,
- Dongjiao He,
- Fanze Kong,
- Yixi Cai,
- Zheng Liu,
- Shunbo Zhou,
- Kaiwen Xue,
- Fu Zhang
International Journal of Robotics Research (RBRS), Volume 43, Issue 8Pages 1114–1127https://doi.org/10.1177/02783649241227968In recent years, advancements in Light Detection and Ranging (LiDAR) technology have made 3D LiDAR sensors more compact, lightweight, and affordable. This progress has spurred interest in integrating LiDAR with sensors such as Inertial Measurement Units (...