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The joint optimization of the sensor trajectory and 3D map is a crucial characteristic of Simultaneous Localization and Mapping (SLAM) systems. To achieve this, the gold standard is Bundle Adjustment (BA). Modern 3D LiDARs now retain higher…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Luca Di Giammarino , Emanuele Giacomini , Leonardo Brizi , Omar Salem , Giorgio Grisetti

Deep neural networks (DNNs) have proven their capabilities in many areas in the past years, such as robotics, or automated driving, enabling technological breakthroughs. DNNs play a significant role in environment perception for the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Manuel Schwonberg , Joshua Niemeijer , Jan-Aike Termöhlen , Jörg P. Schäfer , Nico M. Schmidt , Hanno Gottschalk , Tim Fingscheidt

Visual simultaneous localization and mapping (SLAM) plays a critical role in autonomous robotic systems, especially where accurate and reliable measurements are essential for navigation and sensing. In feature-based SLAM, the quantityand…

Robotics · Computer Science 2025-09-03 Haolan Zhang , Chenghao Li , Thanh Nguyen Canh , Lijun Wang , Nak Young Chong

Dynamic environments are challenging for visual SLAM since the moving objects occlude the static environment features and lead to wrong camera motion estimation. In this paper, we present a novel dense RGB-D SLAM solution that…

Robotics · Computer Science 2020-03-12 Tianwei Zhang , Huayan Zhang , Yang Li , Yoshihiko Nakamura , Lei Zhang

LiDAR object detection algorithms based on neural networks for autonomous driving require large amounts of data for training, validation, and testing. As real-world data collection and labeling are time-consuming and expensive,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Sebastian Huch , Luca Scalerandi , Esteban Rivera , Markus Lienkamp

This paper targets the challenge of real-time LiDAR re-simulation in dynamic driving scenarios. Recent approaches utilize neural radiance fields combined with the physical modeling of LiDAR sensors to achieve high-fidelity re-simulation…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Chenxu Zhou , Lvchang Fu , Sida Peng , Yunzhi Yan , Zhanhua Zhang , Yong Chen , Jiazhi Xia , Xiaowei Zhou

Despite domain-adaptive object detectors based on CNN and transformers have made significant progress in cross-domain detection tasks, it is regrettable that domain adaptation for real-time transformer-based detectors has not yet been…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Feng Lv , Guoqing Li , Jin Li , Chunlong Xia

Though unsupervised domain adaptation (UDA) has achieved very impressive progress recently, it remains a great challenge due to missing target annotations and the rich discrepancy between source and target distributions. We propose Spectral…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Jingyi Zhang , Jiaxing Huang , Zichen Tian , Shijian Lu

Learning models on one labeled dataset that generalize well on another domain is a difficult task, as several shifts might happen between the data domains. This is notably the case for lidar data, for which models can exhibit large…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Björn Michele , Alexandre Boulch , Gilles Puy , Tuan-Hung Vu , Renaud Marlet , Nicolas Courty

Lidar has become an essential sensor for autonomous driving as it provides reliable depth estimation. Lidar is also the primary sensor used in building 3D maps which can be used even in the case of low-cost systems which do not use Lidar.…

Computer Vision and Pattern Recognition · Computer Science 2019-07-08 B Ravi Kiran , Luis Roldão , Benat Irastorza , Renzo Verastegui , Sebastian Suss , Senthil Yogamani , Victor Talpaert , Alexandre Lepoutre , Guillaume Trehard

Recent advances in autonomous driving have underscored the importance of accurate 3D object detection, with LiDAR playing a central role due to its robustness under diverse visibility conditions. However, different vehicle platforms often…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Satoshi Tanaka , Kok Seang Tan , Isamu Yamashita

Thermal cameras offer strong potential for robot perception under challenging illumination and weather conditions. However, thermal Simultaneous Localization and Mapping (SLAM) remains difficult due to unreliable feature extraction,…

Robotics · Computer Science 2026-02-25 Zeyu Jiang , Kuan Xu , Changhao Chen

Deep reinforcement learning (DRL) demonstrates great potential in mapless navigation domain. However, such a navigation model is normally restricted to a fixed configuration of the range sensor because its input format is fixed. In this…

Robotics · Computer Science 2021-03-12 Wei Zhang , Ning Liu , Yunfeng Zhang

We present a cost-effective new approach for generating denser depth maps for Autonomous Driving (AD) and Autonomous Vehicles (AVs) by integrating the images obtained from deep neural network (DNN) 4D radar detectors with conventional…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Mohammed Alsakabi , Aidan Erickson , John M. Dolan , Ozan K. Tonguz

Deep neural networks (DNNs) are found to be vulnerable against adversarial examples, which are carefully crafted inputs with a small magnitude of perturbation aiming to induce arbitrarily incorrect predictions. Recent studies show that…

Cryptography and Security · Computer Science 2019-07-12 Yulong Cao , Chaowei Xiao , Dawei Yang , Jing Fang , Ruigang Yang , Mingyan Liu , Bo Li

As the foundation of driverless vehicle and intelligent robots, Simultaneous Localization and Mapping(SLAM) has attracted much attention these days. However, non-geometric modules of traditional SLAM algorithms are limited by data…

Computer Vision and Pattern Recognition · Computer Science 2019-01-25 Rong Kang , Jieqi Shi , Xueming Li , Yang Liu , Xiao Liu

Autonomous robots use simultaneous localization and mapping (SLAM) for efficient and safe navigation in various environments. LiDAR sensors are integral in these systems for object identification and localization. However, LiDAR systems…

Robotics · Computer Science 2024-09-13 Layth Hamad , Muhammad Asif Khan , Amr Mohamed

The safe operation of drone swarms beyond visual line of sight requires multiple safeguards to mitigate the risk of collision between drones flying in close-proximity scenarios. Cooperative navigation and flight coordination strategies that…

Robotics · Computer Science 2025-08-06 Manduhu Manduhu , Alexander Dow , Petar Trslic , Gerard Dooly , Benjamin Blanck , James Riordan

Simultaneous localization and mapping (SLAM) has achieved impressive performance in static environments. However, SLAM in dynamic environments remains an open question. Many methods directly filter out dynamic objects, resulting in…

Robotics · Computer Science 2024-11-26 Haoang Li , Xiangqi Meng , Xingxing Zuo , Zhe Liu , Hesheng Wang , Daniel Cremers

Solid-state LiDAR-inertial SLAM has attracted significant attention due to its advantages in speed and robustness. However, achieving accurate mapping in extreme environments remains challenging due to severe geometric degeneracy and…

Robotics · Computer Science 2026-05-29 Zhi Zhang , Chalermchon Satirapod , Bingtao Ma , Changjun Gu