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We present a novel dataset named as HPointLoc, specially designed for exploring capabilities of visual place recognition in indoor environment and loop detection in simultaneous localization and mapping. The loop detection sub-task is…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Dmitry Yudin , Yaroslav Solomentsev , Ruslan Musaev , Aleksei Staroverov , Aleksandr I. Panov

Accurate and robust visual localization under a wide range of viewing condition variations including season and illumination changes, as well as weather and day-night variations, is the key component for many computer vision and robotics…

Computer Vision and Pattern Recognition · Computer Science 2019-05-20 Tianxin Shi , Shuhan Shen , Xiang Gao , Lingjie Zhu

In assistive robotics serving people with disabilities (PWD), accurate place recognition in built environments is crucial to ensure that robots navigate and interact safely within diverse indoor spaces. Language interfaces, particularly…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Yifan Xu , Vineet Kamat , Carol Menassa

Visual Place Recognition (VPR) is vital for robot localization. To date, the most performant VPR approaches are environment- and task-specific: while they exhibit strong performance in structured environments (predominantly urban driving),…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Nikhil Keetha , Avneesh Mishra , Jay Karhade , Krishna Murthy Jatavallabhula , Sebastian Scherer , Madhava Krishna , Sourav Garg

Visual localization refers to the process of determining camera poses and orientation within a known scene representation. This task is often complicated by factors such as changes in illumination and variations in viewing angles. In this…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Zhongyan Niu , Zhen Tan , Jinpu Zhang , Xueliang Yang , Dewen Hu

Despite the advancements in deep learning for camera relocalization tasks, obtaining ground truth pose labels required for the training process remains a costly endeavor. While current weakly supervised methods excel in lightweight label…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Jialu Wang , Kaichen Zhou , Andrew Markham , Niki Trigoni

We propose a globally consistent semantic SLAM system (GCSLAM) and a semantic-fusion localization subsystem (SF-Loc), which achieves accurate semantic mapping and robust localization in complex parking lots. Visual cameras (front-view and…

Robotics · Computer Science 2025-07-14 Yichen Sha , Siting Zhu , Hekui Guo , Zhong Wang , Hesheng Wang

This paper proposes SOLVR, a unified pipeline for learning based LiDAR-Visual re-localisation which performs place recognition and 6-DoF registration across sensor modalities. We propose a strategy to align the input sensor modalities by…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Joshua Knights , Sebastián Barbas Laina , Peyman Moghadam , Stefan Leutenegger

Camera relocalization is pivotal in computer vision, with applications in AR, drones, robotics, and autonomous driving. It estimates 3D camera position and orientation (6-DoF) from images. Unlike traditional methods like SLAM, recent…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Zhendong Xiao , Changhao Chen , Shan Yang , Wu Wei

Estimating 6D poses of objects is an essential computer vision task. However, most conventional approaches rely on camera data from a single perspective and therefore suffer from occlusions. We overcome this issue with our novel multi-view…

Computer Vision and Pattern Recognition · Computer Science 2022-08-03 Fabian Duffhauss , Tobias Demmler , Gerhard Neumann

Relocalization is a fundamental task in the field of robotics and computer vision. There is considerable work in the field of deep camera relocalization, which directly estimates poses from raw images. However, learning-based methods have…

Robotics · Computer Science 2021-03-23 Wei Wang , Pedro P. B. de Gusmo , Bo Yang , Andrew Markham , Niki Trigoni

We propose UnLoc, an efficient data-driven solution for sequential camera localization within floorplans. Floorplan data is readily available, long-term persistent, and robust to changes in visual appearance. We address key limitations of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Matthias Wüest , Francis Engelmann , Ondrej Miksik , Marc Pollefeys , Daniel Barath

Localization is a critical technology for various applications ranging from navigation and surveillance to assisted living. Localization systems typically fuse information from sensors viewing the scene from different perspectives to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Jason Wu , Ziqi Wang , Xiaomin Ouyang , Ho Lyun Jeong , Colin Samplawski , Lance Kaplan , Benjamin Marlin , Mani Srivastava

Cross-view localization (CVL) matches ground-level images with aerial references to determine the geo-position of a camera, enabling smart vehicles to self-localize offline in GNSS-denied environments. However, most CVL methods output only…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Yongjun Zhang , Mingtao Xiong , Yi Wan , Gui-Song Xia

LiDAR relocalization aims to estimate the global 6-DoF pose of a sensor in the environment. However, existing regression-based approaches are prone to dynamic or ambiguous scenarios, as they either solely rely on single-frame inference or…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Minghang Zhu , Zhijing Wang , Yuxin Guo , Wen Li , Sheng Ao , Cheng Wang

Pose estimation-guided unseen object 6-DoF robotic manipulation is a key task in robotics. However, the scalability of current pose estimation methods to unseen objects remains a fundamental challenge, as they generally rely on CAD models…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Jian Liu , Wei Sun , Kai Zeng , Jin Zheng , Hui Yang , Hossein Rahmani , Ajmal Mian , Lin Wang

This paper presents Vision-Language Global Localization (VLG-Loc), a novel global localization method that uses human-readable labeled footprint maps containing only names and areas of distinctive visual landmarks in an environment. While…

Robotics · Computer Science 2025-12-19 Mizuho Aoki , Kohei Honda , Yasuhiro Yoshimura , Takeshi Ishita , Ryo Yonetani

Visual relocalization, which estimates the 6-degree-of-freedom (6-DoF) camera pose from query images, is fundamental to remote sensing and UAV applications. Existing methods face inherent trade-offs: image-based retrieval and pose…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Boni Hu , Zhenyu Xia , Lin Chen , Pengcheng Han , Shuhui Bu

Visual localization to compute 6DoF camera pose from a given image has wide applications such as in robotics, virtual reality, augmented reality, etc. Two kinds of descriptors are important for the visual localization. One is global…

Computer Vision and Pattern Recognition · Computer Science 2020-09-24 Pengju Zhang , Yihong Wu , Bingxi Liu

Visual localization plays an important role in the applications of Augmented Reality (AR), which enable AR devices to obtain their 6-DoF pose in the pre-build map in order to render virtual content in real scenes. However, most existing…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Hongjia Zhai , Xiyu Zhang , Boming Zhao , Hai Li , Yijia He , Zhaopeng Cui , Hujun Bao , Guofeng Zhang