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相关论文: 4DRaL: Bridging 4D Radar with LiDAR for Place Reco…

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Place recognition is a core component of Simultaneous Localization and Mapping (SLAM) algorithms. Particularly in visual SLAM systems, previously-visited places are recognized by measuring the appearance similarity between images…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Jiawei Mo , Junaed Sattar

LiDAR place recognition plays a crucial role in SLAM, robot navigation, and autonomous driving. However, existing LiDAR place recognition methods often struggle to adapt to new environments without forgetting previously learned knowledge, a…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Xufei Wang , Junqiao Zhao , Siyue Tao , Qiwen Gu , Wonbong Kim , Tiantian Feng

Radar and LiDAR have been widely used in autonomous driving as LiDAR provides rich structure information, and radar demonstrates high robustness under adverse weather. Recent studies highlight the effectiveness of fusing radar and LiDAR…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Xiangyuan Peng , Huawei Sun , Kay Bierzynski , Anton Fischbacher , Lorenzo Servadei , Robert Wille

4D millimeter wave radars (4D radars) are new emerging sensors that provide point clouds of objects with both position and radial velocity measurements. Compared to LiDARs, they are more affordable and reliable sensors for robots'…

机器人学 · 计算机科学 2025-12-18 Xingyi Li , Han Zhang , Ziliang Wang , Yukai Yang , Weidong Chen

LiDAR-based localization and mapping is one of the core components in many modern robotic systems due to the direct integration of range and geometry, allowing for precise motion estimation and generation of high quality maps in real-time.…

机器人学 · 计算机科学 2022-08-02 Julian Nubert , Etienne Walther , Shehryar Khattak , Marco Hutter

The advancement of knowledge distillation has played a crucial role in enabling the transfer of knowledge from larger teacher models to smaller and more efficient student models, and is particularly beneficial for online and…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Wanli Ma , Oktay Karakus , Paul L. Rosin

In autonomous driving, place recognition is critical for global localization in GPS-denied environments. LiDAR and radar-based place recognition methods have garnered increasing attention, as LiDAR provides precise ranging, whereas radar…

计算机视觉与模式识别 · 计算机科学 2025-10-03 Zhangshuo Qi , Luqi Cheng , Zijie Zhou , Guangming Xiong

LiDAR based place recognition is popular for loop closure detection and re-localization. In recent years, deep learning brings improvements to place recognition by learnable feature extraction. However, these methods degenerate when the…

计算机视觉与模式识别 · 计算机科学 2022-10-21 Sha Lu , Xuecheng Xu , Li Tang , Rong Xiong , Yue Wang

Visual place recognition (VPR) plays a pivotal role in autonomous exploration and navigation of mobile robots within complex outdoor environments. While cost-effective and easily deployed, camera sensors are sensitive to lighting and…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Yehui Shen , Mingmin Liu , Huimin Lu , Xieyuanli Chen

Knowledge Distillation (KD) is a model-agnostic technique to improve model quality while having a fixed capacity budget. It is a commonly used technique for model compression, where a larger capacity teacher model with better quality is…

机器学习 · 计算机科学 2021-03-02 Jiaxi Tang , Rakesh Shivanna , Zhe Zhao , Dong Lin , Anima Singh , Ed H. Chi , Sagar Jain

In the surveillance and defense domain, multi-target detection and classification (MTD) is considered essential yet challenging due to heterogeneous inputs from diverse data sources and the computational complexity of algorithms designed…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Ngoc Tuyen Do , Tri Nhu Do

Knowledge Distillation (KD) aims to transfer knowledge from a large teacher model to a smaller student model. While contrastive learning has shown promise in self-supervised learning by creating discriminative representations, its…

计算机视觉与模式识别 · 计算机科学 2025-05-14 Nikolaos Giakoumoglou , Tania Stathaki

An optimal solution to the localization problem is essential for developing autonomous robotic systems. Apart from autonomous vehicles, precision agriculture is one of the elds that can bene t most from these systems. Although LiDAR place…

机器人学 · 计算机科学 2026-02-02 Judith Vilella-Cantos , Mónica Ballesta , David Valiente , María Flores , Luis Payá

Millimeter-wave radar enables robust environment perception in autonomous systems under adverse conditions yet suffers from sparse, noisy point clouds with low angular resolution. Existing diffusion-based radar enhancement methods either…

图像与视频处理 · 电气工程与系统科学 2026-01-13 Hao Li , Xinqi Liu , Yaoqing Jin

Robust 3D object detection in adverse weather is highly challenging due to the varying reliability of different sensors. While existing LiDAR-4D radar fusion methods improve robustness, they predominantly rely on fixed or weakly adaptive…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Hongsheng Li , Lingfeng Zhang , Zexian Yang , Liang Li , Rong Yin , Xiaoshuai Hao , Wenbo Ding

Place Recognition enables the estimation of a globally consistent map and trajectory by providing non-local constraints in Simultaneous Localisation and Mapping (SLAM). This paper presents Locus, a novel place recognition method using 3D…

机器人学 · 计算机科学 2022-09-27 Kavisha Vidanapathirana , Peyman Moghadam , Ben Harwood , Muming Zhao , Sridha Sridharan , Clinton Fookes

Recently, 4D millimetre-wave radar exhibits more stable perception ability than LiDAR and camera under adverse conditions (e.g. rain and fog). However, low-quality radar points hinder its application, especially the odometry task that…

机器人学 · 计算机科学 2025-03-04 Zhiheng Li , Yubo Cui , Ningyuan Huang , Chenglin Pang , Zheng Fang

Accurate multi-view 3D object detection is essential for applications such as autonomous driving. Researchers have consistently aimed to leverage LiDAR's precise spatial information to enhance camera-based detectors through methods like…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Shaoqing Xu , Fang Li , Peixiang Huang , Ziying Song , Zhi-Xin Yang

Simultaneous Localization and Mapping (SLAM) allows mobile robots to navigate without external positioning systems or pre-existing maps. Radar is emerging as a valuable sensing tool, especially in vision-obstructed environments, as it is…

As an emerging technology and a relatively affordable device, the 4D imaging radar has already been confirmed effective in performing 3D object detection in autonomous driving. Nevertheless, the sparsity and noisiness of 4D radar point…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Weiyi Xiong , Jianan Liu , Tao Huang , Qing-Long Han , Yuxuan Xia , Bing Zhu