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Vehicle-to-everything (V2X) cooperation has emerged as a promising paradigm to overcome the perception limitations of classical autonomous driving by leveraging information from both ego-vehicle and infrastructure sensors. However,…

Robotics · Computer Science 2025-06-23 Junwei You , Haotian Shi , Zhuoyu Jiang , Zilin Huang , Rui Gan , Keshu Wu , Xi Cheng , Xiaopeng Li , Bin Ran

Visual Geometry Foundation Models (VGFMs) demonstrate remarkable zero-shot capabilities in local reconstruction. However, deploying them for kilometer-level Simultaneous Localization and Mapping (SLAM) remains challenging. In such…

Robotics · Computer Science 2026-04-17 Tianjun Zhang , Fengyi Zhang , Tianchen Deng , Lin Zhang , Hesheng Wang

Modern autonomous systems typically use several sensors for perception. For best performance, accurate and reliable extrinsic calibration is necessary. In this research, we propose a reliable technique for the extrinsic calibration of…

Robotics · Computer Science 2023-09-14 Sandipan Das , Bengt Boberg , Maurice Fallon , Saikat Chatterjee

This paper introduces BIMCaP, a novel method to integrate mobile 3D sparse LiDAR data and camera measurements with pre-existing building information models (BIMs), enhancing fast and accurate indoor mapping with affordable sensors. BIMCaP…

Robotics · Computer Science 2024-12-05 Miguel Arturo Vega Torres , Anna Ribic , Borja García de Soto , André Borrmann

Advancements in LiDAR technology have led to more cost-effective production while simultaneously improving precision and resolution. As a result, LiDAR has become integral to vehicle localization, achieving centimeter-level accuracy through…

Robotics · Computer Science 2024-07-12 Yuze Jiang , Ehsan Javanmardi , Jin Nakazato , Manabu Tsukada , Hiroshi Esaki

LiDAR-camera extrinsic calibration (LCEC) is crucial for multi-modal data fusion in autonomous robotic systems. Existing methods, whether target-based or target-free, typically rely on customized calibration targets or fixed scene types,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Zhiwei Huang , Jiaqi Li , Hongbo Zhao , Xiao Ma , Ping Zhong , Xiaohu Zhou , Wei Ye , Rui Fan

Current perception systems often carry multimodal imagers and sensors such as 2D cameras and 3D LiDAR sensors. To fuse and utilize the data for downstream perception tasks, robust and accurate calibration of the multimodal sensor data is…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Ganning Zhao , Jiesi Hu , Suya You , C. -C. Jay Kuo

In this paper, we present the novel task of estimating the extrinsic parameters of a virtual camera relative to a real camera in exercise videos with a mirror. This task poses a significant challenge in scenarios where the views from the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Longyun Liao , Rong Zheng , Andrew Mitchell

In a multi-sensor fusion system composed of cameras and LiDAR, precise extrinsic calibration contributes to the system's long-term stability and accurate perception of the environment. However, methods based on extracting and registering…

Robotics · Computer Science 2024-07-29 Tianle Zeng , Dengke He , Feifan Yan , Meixi He

Millimeter-wave (mmWave) frequencies promise multi-gigabit connectivity for vehicle-to-everything (V2X) networks, but face challenges in terms of severe path loss and mobility-related beam misalignment. Reliable V2X connectivity requires…

Networking and Internet Architecture · Computer Science 2026-05-07 Avhishek Biswas , Apala Pramanik , Eylem Ekici , Mehmet C. Vuran

Automated driving systems use multi-modal sensor suites to ensure the reliable, redundant and robust perception of the operating domain, for example camera and LiDAR. An accurate extrinsic calibration is required to fuse the camera and…

Computer Vision and Pattern Recognition · Computer Science 2023-06-26 Jack Borer , Jeremy Tschirner , Florian Ölsner , Stefan Milz

Simulation testing is a fundamental approach for evaluating automated vehicles (AVs). To ensure its reliability, it is crucial to accurately replicate interactions between AVs and background traffic, which necessitates effective…

Robotics · Computer Science 2025-12-19 Jia Hu , Junqi Li , Xuerun Yan , Jintao Lai , Lianhua An

Modern autonomous vehicle perception systems often struggle with occlusions and limited perception range. Previous studies have demonstrated the effectiveness of cooperative perception in extending the perception range and overcoming…

Computer Vision and Pattern Recognition · Computer Science 2026-01-19 Lei Yang , Xinyu Zhang , Jun Li , Chen Wang , Jiaqi Ma , Zhiying Song , Tong Zhao , Ziying Song , Li Wang , Mo Zhou , Yang Shen , Kai Wu , Chen Lv

We propose a robust calibration pipeline that optimises the selection of calibration samples for the estimation of calibration parameters that fit the entire scene. We minimise user error by automating the data selection process according…

Computer Vision and Pattern Recognition · Computer Science 2021-09-23 Darren Tsai , Stewart Worrall , Mao Shan , Anton Lohr , Eduardo Nebot

Fusing the camera and LiDAR information has become a de-facto standard for 3D object detection tasks. Current methods rely on point clouds from the LiDAR sensor as queries to leverage the feature from the image space. However, people…

Computer Vision and Pattern Recognition · Computer Science 2022-11-14 Tingting Liang , Hongwei Xie , Kaicheng Yu , Zhongyu Xia , Zhiwei Lin , Yongtao Wang , Tao Tang , Bing Wang , Zhi Tang

This paper presents a novel spherical target-based LiDAR-camera extrinsic calibration method designed for outdoor environments with multi-robot systems, considering both target and sensor corruption. The method extracts the 2D ellipse…

Robotics · Computer Science 2025-07-24 Seokhwan Jeong , Hogyun Kim , Younggun Cho

This article presents an innovative study in exploring, evaluating, and implementing deep learning architectures for the calibration of multi-modal sensor systems. The focus behind this is to leverage the use of sensor fusion to achieve…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Venkat Karramreddy , Liam Mitchell

Multi-LiDAR systems have been prevalently applied in modern autonomous vehicles to render a broad view of the environments. The rapid development of 5G wireless technologies has brought a breakthrough for current cellular…

Robotics · Computer Science 2019-11-05 Bohuan Xue , Jianhao Jiao , Yilong Zhu , Linwei Zheng , Dong Han , Ming Liu , Rui Fan

In air-ground collaboration scenarios without GPS and prior maps, the relative positioning of drones and unmanned ground vehicles (UGVs) has always been a challenge. For a drone equipped with monocular camera and an UGV equipped with LiDAR…

Robotics · Computer Science 2024-07-16 Zhuozhu Jian , Qixuan Li , Shengtao Zheng , Xueqian Wang , Xinlei Chen

As the previous state-of-the-art 4D radar-camera fusion-based 3D object detection method, LXL utilizes the predicted image depth distribution maps and radar 3D occupancy grids to assist the sampling-based image view transformation. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-21 Weiyi Xiong , Zean Zou , Qiuchi Zhao , Fengchun He , Bing Zhu