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Performing tasks in agriculture, such as fruit monitoring or harvesting, requires perceiving the objects' spatial position. RGB-D cameras are limited under open-field environments due to lightning interferences. So, in this study, we state…

This paper investigates the localization problem of high-speed high-altitude unmanned aerial vehicle (UAV) with a monocular camera and inertial navigation system. It proposes a navigation method utilizing the complementarity of vision and…

Computer Vision and Pattern Recognition · Computer Science 2020-02-13 Xin-long Luo , Jia-hui Lv , Geng Sun

We present a visual localization framework based on novel deep attention aware features for autonomous driving that achieves centimeter level localization accuracy. Conventional approaches to the visual localization problem rely on…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Yao Zhou , Guowei Wan , Shenhua Hou , Li Yu , Gang Wang , Xiaofei Rui , Shiyu Song

Autonomous and safe landing is important for unmanned aerial vehicles. We present a monocular and stereo image based method for fast and accurate landing zone evaluation for UAVs in various scenarios. Many existing methods rely on Lidar or…

Robotics · Computer Science 2018-12-11 Rohit Garg , Shichao Yang , Sebastian Scherer

The technology for Visual Odometry (VO) that estimates the position and orientation of the moving object through analyzing the image sequences captured by on-board cameras, has been well investigated with the rising interest in autonomous…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Ran Zhu , Mingkun Yang , Wang Liu , Rujun Song , Bo Yan , Zhuoling Xiao

Localizing a person from a moving monocular camera is critical for Human-Robot Interaction (HRI). To estimate the 3D human position from a 2D image, existing methods either depend on the geometric assumption of a fixed camera or use a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Yu Zhan , Hanjing Ye , Hong Zhang

Monocular 3D object detection has attracted great attention for its advantages in simplicity and cost. Due to the ill-posed 2D to 3D mapping essence from the monocular imaging process, monocular 3D object detection suffers from inaccurate…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Zequn Qin , Xi Li

We present a real-time approach for image-based localization within large scenes that have been reconstructed offline using structure from motion (Sfm). From monocular video, our method continuously computes a precise 6-DOF camera pose, by…

Computer Vision and Pattern Recognition · Computer Science 2015-03-20 Hyon Lim , Sudipta Sinha , Michael Cohen , Matt Uyttendaele

We address the localization of robots in a multi-MAV system where external infrastructure like GPS or motion capture systems may not be available. Our approach lends itself to implementation on platforms with several constraints on size,…

Robotics · Computer Science 2020-02-24 Ty Nguyen , Kartik Mohta , Camillo J. Taylor , Vijay Kumar

To address the challenge of autonomous UGV localization in GNSS-denied off-road environments,this study proposes a matching-based localization method that leverages BEV perception image and satellite map within a road similarity space to…

Robotics · Computer Science 2025-04-24 Zhenping Sun , Chuang Yang , Yafeng Bu , Bokai Liu , Jun Zeng , Xiaohui Li

This work describes the process of integrating a depth camera into the navigation system of a self-driving ground vehicle (SDV) and the implementation of a multilayer costmap that enhances the vehicle's obstacle identification process by…

Robotics · Computer Science 2024-11-20 Jhair S. Gallego , Ricardo E. Ramirez

Estimating the camera's pose given images from a single camera is a traditional task in mobile robots and autonomous vehicles. This problem is called monocular visual odometry and often relies on geometric approaches that require…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 André O. Françani , Marcos R. O. A. Maximo

UAVs have been widely used in visual inspections of buildings, bridges and other structures. In either outdoor autonomous or semi-autonomous flights missions strong GPS signal is vital for UAV to locate its own positions. However, strong…

Robotics · Computer Science 2019-04-11 Zhexiong Shang , Zhigang Shen

Estimating absolute camera orientations is essential for attitude estimation tasks. An established approach is to first carry out visual odometry (VO) or visual SLAM (V-SLAM), and retrieve the camera orientations (3 DOF) from the camera…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Chee-Kheng Chng , Alvaro Parra , Tat-Jun Chin , Yasir Latif

Mobile robots rely on odometry to navigate through areas where localization fails. Visual odometry (VO) is a common solution for obtaining robust and consistent relative motion estimates of the vehicle frame. Contrarily, Global Positioning…

Robotics · Computer Science 2021-06-09 Benjamin Congram , Timothy D. Barfoot

We present ORB-SLAM2 a complete SLAM system for monocular, stereo and RGB-D cameras, including map reuse, loop closing and relocalization capabilities. The system works in real-time on standard CPUs in a wide variety of environments from…

Robotics · Computer Science 2020-07-24 Raul Mur-Artal , Juan D. Tardos

Global localization is critical for autonomous navigation, particularly in scenarios where an agent must localize within a map generated in a different session or by another agent, as agents often have no prior knowledge about the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-17 Hannah Shafferman , Annika Thomas , Jouko Kinnari , Michael Ricard , Jose Nino , Jonathan How

Localization in a battlefield environment is increasingly challenging as GPS connectivity is often denied or unreliable, and physical deployment of anchor nodes across wireless networks for localization can be difficult in hostile…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Ganesh Sapkota , Sanjay Madria

With monocular Visual-Inertial Odometry (VIO) system, 3D point cloud and camera motion can be estimated simultaneously. Because pure sparse 3D points provide a structureless representation of the environment, generating 3D mesh from sparse…

Computer Vision and Pattern Recognition · Computer Science 2021-01-15 Xin Li , Yijia He , Jinlong Lin , Xiao Liu

Detecting and localizing objects in the real 3D space, which plays a crucial role in scene understanding, is particularly challenging given only a single RGB image due to the geometric information loss during imagery projection. We propose…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Zengyi Qin , Jinglu Wang , Yan Lu