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Accurate localization is a foundational capacity, required for autonomous vehicles to accomplish other tasks such as navigation or path planning. It is a common practice for vehicles to use GPS to acquire location information. However, the…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Dongfang Liu , Yiming Cui , Xiaolei Guo , Wei Ding , Baijian Yang , Yingjie Chen

Accurate localization in diverse environments is a fundamental challenge in computer vision and robotics. The task involves determining a sensor's precise position and orientation, typically a camera, within a given space. Traditional…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Luca Di Giammarino , Boyang Sun , Giorgio Grisetti , Marc Pollefeys , Hermann Blum , Daniel Barath

Despite the remarkable advances in image matching and pose estimation, image-based localization of a camera in a temporally-varying outdoor environment is still a challenging problem due to huge appearance disparity between query and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Shen Yan , Yu Liu , Long Wang , Zehong Shen , Zhen Peng , Haomin Liu , Maojun Zhang , Guofeng Zhang , Xiaowei Zhou

The visual simultaneous localization and mapping(vSLAM) is widely used in GPS-denied and open field environments for ground and surface robots. However, due to the frequent perception failures derived from lacking visual texture or the…

Robotics · Computer Science 2023-05-23 Zhihao Wang , Haoyao Chen , Shiwu Zhang , Yunjiang Lou

Localization is a critical capability for robots, drones and autonomous vehicles operating in a wide range of environments. One of the critical considerations for designing, training or calibrating visual localization systems is the…

Robotics · Computer Science 2019-06-28 James Mount , Les Dawes , Michael Milford

We propose a novel method to reliably estimate the pose of a camera given a sequence of images acquired in extreme environments such as deep seas or extraterrestrial terrains. Data acquired under these challenging conditions are corrupted…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Yang Zheng , Tolga Birdal , Fei Xia , Yanchao Yang , Yueqi Duan , Leonidas J. Guibas

Cross-view geo-localization aims at localizing a ground-level query image by matching it to its corresponding geo-referenced aerial view. In real-world scenarios, the task requires accommodating diverse ground images captured by users with…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Li Mi , Chang Xu , Javiera Castillo-Navarro , Syrielle Montariol , Wen Yang , Antoine Bosselut , Devis Tuia

This paper improves visual-inertial systems to boost the localization accuracy for low-cost rescue robots. When robots traverse on rugged terrain, the performance of pose estimation suffers from big noise on the measurements of the inertial…

Robotics · Computer Science 2020-11-18 Xiaoling Long , Qingwen Xu , Yijun Yuan , Zhenpeng He , Sören Schwertfeger

Cross-view localization aims to estimate the 3-DoF pose of a ground-view image by aligning it with aerial or satellite imagery. Existing methods typically address this task through direct regression or feature alignment in a shared…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Panwang Xia , Qiong Wu , Lei Yu , Yi Liu , Mingtao Xiong , Xudong Lu , Yi Liu , Haoyu Guo , Yongxiang Yao , Junjian Zhang , Xiangyuan Cai , Hongwei Hu , Zhi Zheng , Yongjun Zhang , Yi Wan

The 3D depth estimation and relative pose estimation problem within a decentralized architecture is a challenging problem that arises in missions that require coordination among multiple vision-controlled robots. The depth estimation…

Robotics · Computer Science 2019-08-02 Romulo T. Rodrigues , Pedro Miraldo , Dimos V. Dimarogonas , A. Pedro Aguiar

Robust and accurate localization is an essential component for robotic navigation and autonomous driving. The use of cameras for localization with high definition map (HD Map) provides an affordable localization sensor set. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Chengcheng Guo , Minjie Lin , Heyang Guo , Pengpeng Liang , Erkang Cheng

Cross-view localization and synthesis are two fundamental tasks in cross-view visual understanding, which deals with cross-view datasets: overhead (satellite or aerial) and ground-level imagery. These tasks have gained increasing attention…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Ningli Xu , Rongjun Qin

On the off-the-shelf navigational assistance devices, the localization precision is limited to the signal error of global navigation satellite system (GNSS). During travelling outdoors, the inaccurately localization perplexes visually…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Ruiqi Cheng , Kaiwei Wang , Longqing Lin , Kailun Yang

Localization without Global Navigation Satellite Systems (GNSS) is a critical functionality in autonomous operations of unmanned aerial vehicles (UAVs). Vision-based localization on a known map can be an effective solution, but it is…

Robotics · Computer Science 2025-01-09 Jouko Kinnari , Francesco Verdoja , Ville Kyrki

Visual localization techniques often comprise a hierarchical localization pipeline, with a visual place recognition module used as a coarse localizer to initialize a pose refinement stage. While improving the pose refinement step has been…

Computer Vision and Pattern Recognition · Computer Science 2021-05-10 Ming Xu , Niko Sünderhauf , Michael Milford

With the development of autonomous driving technology, sensor calibration has become a key technology to achieve accurate perception fusion and localization. Accurate calibration of the sensors ensures that each sensor can function properly…

Robotics · Computer Science 2023-05-29 Jixiang Li , Jiahao Pi , Guohang Yan , Yikang Li

High-accurate localization is crucial for the safety and reliability of autonomous driving, especially for the information fusion of collective perception that aims to further improve road safety by sharing information in a communication…

Robotics · Computer Science 2022-05-31 Yunshuang Yuan , Monika Sester

In this paper, we focus on the task of multi-view multi-source geo-localization, which serves as an important auxiliary method of GPS positioning by matching drone-view image and satellite-view image with pre-annotated GPS tag. To solve…

Computer Vision and Pattern Recognition · Computer Science 2020-07-10 Siyi Hu , Xiaojun Chang

Cross-view geo-localization aims to spot images of the same location shot from two platforms, e.g., the drone platform and the satellite platform. Existing methods usually focus on optimizing the distance between one embedding with others…

Computer Vision and Pattern Recognition · Computer Science 2022-11-11 Tingyu Wang , Zhedong Zheng , Zunjie Zhu , Yuhan Gao , Yi Yang , Chenggang Yan

We present a method for localizing a single camera with respect to a point cloud map in indoor and outdoor scenes. The problem is challenging because correspondences of local invariant features are inconsistent across the domains between…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Peng Yin , Lingyun Xu , Ji Zhang , Howie Choset , Sebastian Scherer