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In this paper, we propose a method of targetless and automatic Camera-LiDAR calibration. Our approach is an extension of hand-eye calibration framework to 2D-3D calibration. By using the sensor fusion odometry method, the scaled camera…

计算机视觉与模式识别 · 计算机科学 2018-04-17 Ryoichi Ishikawa , Takeshi Oishi , Katsushi Ikeuchi

Pretrained models have demonstrated impressive success in many modalities such as language and vision. Recent works facilitate the pretraining paradigm in imaging research. Transients are a novel modality, which are captured for an object…

计算机视觉与模式识别 · 计算机科学 2025-06-11 Siyuan Shen , Ziheng Wang , Xingyue Peng , Suan Xia , Ruiqian Li , Shiying Li , Jingyi Yu

Traffic volume data collection is a crucial aspect of transportation engineering and urban planning, as it provides vital insights into traffic patterns, congestion, and infrastructure efficiency. Traditional manual methods of traffic data…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Linlin Zhang , Xiang Yu , Armstrong Aboah , Yaw Adu-Gyamfi

3D surface reconstruction is essential across applications of virtual reality, robotics, and mobile scanning. However, RGB-based reconstruction often fails in low-texture, low-light, and low-albedo scenes. Handheld LiDARs, now common on…

图像与视频处理 · 电气工程与系统科学 2024-12-02 Nikhil Behari , Aaron Young , Siddharth Somasundaram , Tzofi Klinghoffer , Akshat Dave , Ramesh Raskar

The 3D object detection capabilities in urban environments have been enormously improved by recent developments in Light Detection and Range (LiDAR) technology. This paper presents a novel framework that transforms the detection and…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Nawfal Guefrachi , Hakim Ghazzai , Ahmad Alsharoa

Rehabilitation aims to help patients with limited mobility regain their physical abilities through targeted movements, exercises, stimulation, and other therapeutic methods. Recent advances in technology have introduced sensor-based systems…

This work proposes a novel motion guided method for target-less self-calibration of a LiDAR and camera and use the re-projection of LiDAR points onto the image reference frame for real-time depth upsampling. The calibration parameters are…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Juan Castorena , Gint Puskorius , Gaurav Pandey

Accurate 3D object detection is crucial to autonomous driving. Though LiDAR-based detectors have achieved impressive performance, the high cost of LiDAR sensors precludes their widespread adoption in affordable vehicles. Camera-based…

计算机视觉与模式识别 · 计算机科学 2024-04-11 Yurong You , Cheng Perng Phoo , Carlos Andres Diaz-Ruiz , Katie Z Luo , Wei-Lun Chao , Mark Campbell , Bharath Hariharan , Kilian Q Weinberger

We present INDOOR-LIDAR, a comprehensive hybrid dataset of indoor 3D LiDAR point clouds designed to advance research in robot perception. Existing indoor LiDAR datasets often suffer from limited scale, inconsistent annotation formats, and…

机器人学 · 计算机科学 2025-12-16 Haichuan Li , Changda Tian , Panos Trahanias , Tomi Westerlund

LiDAR (Light Detection and Ranging) SLAM (Simultaneous Localization and Mapping) serves as a basis for indoor cleaning, navigation, and many other useful applications in both industry and household. From a series of LiDAR scans, it…

机器人学 · 计算机科学 2022-01-03 Keisuke Sugiura , Hiroki Matsutani

The frame rates of most 3D LIDAR sensors used in intelligent vehicles are substantially lower than current cameras installed in the same vehicle. This research suggests using a mono camera to virtually enhance the frame rate of LIDARs,…

计算机视觉与模式识别 · 计算机科学 2023-02-13 Zoltan Rozsa , Tamas Sziranyi

Identifying moving objects is a crucial capability for autonomous navigation, consistent map generation, and future trajectory prediction of objects. In this paper, we propose a novel network that addresses the challenge of segmenting…

计算机视觉与模式识别 · 计算机科学 2023-03-08 Neng Wang , Chenghao Shi , Ruibin Guo , Huimin Lu , Zhiqiang Zheng , Xieyuanli Chen

Lidar based 3D object detection and classification tasks are essential for automated driving(AD). A Lidar sensor can provide the 3D point coud data reconstruction of the surrounding environment. But the detection in 3D point cloud still…

计算机视觉与模式识别 · 计算机科学 2020-04-27 Xuanyu YIN , Yoko SASAKI , Weimin WANG , Kentaro SHIMIZU

Integrating multiple LiDAR sensors can significantly enhance a robot's perception of the environment, enabling it to capture adequate measurements for simultaneous localization and mapping (SLAM). Indeed, solid-state LiDARs can bring in…

机器人学 · 计算机科学 2023-03-07 Li Qingqing , Yu Xianjia , Jorge Peña Queralta , Tomi Westerlund

The combination of LiDAR and camera modalities is proven to be necessary and typical for 3D object detection according to recent studies. Existing fusion strategies tend to overly rely on the LiDAR modal in essence, which exploits the…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Yang Yang , Weijie Ma , Hao Chen , Linlin Ou , Xinyi Yu

Lidar-based sensing drives current autonomous vehicles. Despite rapid progress, current Lidar sensors still lag two decades behind traditional color cameras in terms of resolution and cost. For autonomous driving, this means that large…

计算机视觉与模式识别 · 计算机科学 2021-11-15 Tianwei Yin , Xingyi Zhou , Philipp Krähenbühl

Automotive radar is a key component of sensing suites in autonomous driving (AD) and advanced driver-assist systems (ADAS). However, limited line-of-sight (LOS) significantly reduces radar efficiency in dense urban environments. Therefore,…

信号处理 · 电气工程与系统科学 2025-09-29 Aviran Gal , Igal Bilik

One key vertical application that will be enabled by 6G is the automation of the processes with the increased use of robots. As a result, sensing and localization of the surrounding environment becomes a crucial factor for these robots to…

信号处理 · 电气工程与系统科学 2021-02-23 Madhushanka Padmal , Dileepa Marasinghe , Vijitha Isuru , Nalin Jayaweera , Samad Ali , Nandana Rajatheva

This paper presents an approach for applying camera perception techniques to spinning LiDAR data. To improve the robustness of long-term change detection from a 3D LiDAR, range and intensity information are rendered into virtual…

机器人学 · 计算机科学 2024-05-01 Alexander Krawciw , Sven Lilge , Timothy D. Barfoot

Camera and LiDAR serve as informative sensors for accurate and robust autonomous driving systems. However, these sensors often exhibit heterogeneous natures, resulting in distributional modality gaps that present significant challenges for…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Yiran Yang , Xu Gao , Tong Wang , Xin Hao , Yifeng Shi , Xiao Tan , Xiaoqing Ye , Jingdong Wang