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Global localization is an important and widely studied problem for many robotic applications. Place recognition approaches can be exploited to solve this task, e.g., in the autonomous driving field. While most vision-based approaches match…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Daniele Cattaneo , Matteo Vaghi , Simone Fontana , Augusto Luis Ballardini , Domenico Giorgio Sorrenti

Localization and mapping are critical tasks for various applications such as autonomous vehicles and robotics. The challenges posed by outdoor environments present particular complexities due to their unbounded characteristics. In this…

Robotics · Computer Science 2024-04-08 Chenyang Wu , Yifan Duan , Xinran Zhang , Yu Sheng , Jianmin Ji , Yanyong Zhang

We present a new approach, termed GPS-Gaussian, for synthesizing novel views of a character in a real-time manner. The proposed method enables 2K-resolution rendering under a sparse-view camera setting. Unlike the original Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Shunyuan Zheng , Boyao Zhou , Ruizhi Shao , Boning Liu , Shengping Zhang , Liqiang Nie , Yebin Liu

This paper presents the first photo-realistic LiDAR-Inertial-Camera Gaussian Splatting SLAM system that simultaneously addresses visual quality, geometric accuracy, and real-time performance. The proposed method performs robust and accurate…

Robotics · Computer Science 2025-07-10 Xiaolei Lang , Jiajun Lv , Kai Tang , Laijian Li , Jianxin Huang , Lina Liu , Yong Liu , Xingxing Zuo

In recent years, neural rendering methods such as NeRFs and 3D Gaussian Splatting (3DGS) have made significant progress in scene reconstruction and novel view synthesis. However, they heavily rely on preprocessed camera poses and 3D…

Graphics · Computer Science 2025-07-01 Chenhao Zhang , Yezhi Shen , Fengqing Zhu

The efficient rendering and explicit nature of 3DGS promote the advancement of 3D scene manipulation. However, existing methods typically encounter challenges in controlling the manipulation region and are unable to furnish the user with…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Yian Zhao , Wanshi Xu , Ruochong Zheng , Pengchong Qiao , Chang Liu , Jie Chen

Language-guided grasping has emerged as a promising paradigm for enabling robots to identify and manipulate target objects through natural language instructions, yet it remains highly challenging in cluttered or occluded scenes. Existing…

Robotics · Computer Science 2026-02-05 Rui Tang , Guankun Wang , Long Bai , Huxin Gao , Jiewen Lai , Chi Kit Ng , Jiazheng Wang , Fan Zhang , Hongliang Ren

Conventional geometry-based SLAM systems lack dense 3D reconstruction capabilities since their data association usually relies on feature correspondences. Additionally, learning-based SLAM systems often fall short in terms of real-time…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Zhongche Qu , Zhi Zhang , Cong Liu , Jianhua Yin

Jointly estimating camera poses and mapping scenes from RGBD images is a fundamental task in simultaneous localization and mapping (SLAM). State-of-the-art methods employ 3D Gaussians to represent a scene, and render these Gaussians through…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Pengchong Hu , Zhizhong Han

Integrating open-vocabulary semantic information into dynamic 3D scene representations is essential for long-term embodied scene understanding. However, existing methods often suffer from fragile instance association due to incomplete…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Luzhou Ge , Xiangyu Zhu , Jinyan Liu , Xuesong Li

Visual navigation is a fundamental capability for autonomous home-assistance robots, enabling long-horizon tasks such as object search. While recent methods have leveraged Large Language Models (LLMs) to incorporate commonsense reasoning…

Robotics · Computer Science 2026-05-01 Teng Wang , Xinxin Zhao , Wenzhe Cai , Changyin Sun

Accurate localization using visual information is a critical yet challenging task, especially in urban environments where nearby buildings and construction sites significantly degrade GNSS (Global Navigation Satellite System) signal…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Xiaofan Li , Zhihao Xu , Chenming Wu , Zhao Yang , Yumeng Zhang , Jiang-Jiang Liu , Haibao Yu , Fan Duan , Xiaoqing Ye , Yuan Wang , Shirui Li , Xun Sun , Ji Wan , Jun Wang

Real-time 3D reconstruction is crucial for robotics and augmented reality, yet current simultaneous localization and mapping(SLAM) approaches often struggle to maintain structural consistency and robust pose estimation in the presence of…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Xu Wang , Boyao Han , Xiaojun Chen , Ying Liu , Ruihui Li

3D Gaussian Splatting (3D GS) has gained popularity due to its faster rendering speed and high-quality novel view synthesis. Some researchers have explored using 3D GS for reconstructing driving scenes. However, these methods often rely on…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Yixiong Huo , Guangfeng Jiang , Hongyang Wei , Ji Liu , Song Zhang , Han Liu , Xingliang Huang , Mingjie Lu , Jinzhang Peng , Dong Li , Lu Tian , Emad Barsoum

Feed-forward surround-view autonomous driving scene reconstruction offers fast, generalizable inference ability, which faces the core challenge of ensuring generalization while elevating novel view quality. Due to the surround-view with…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Junhong Lin , Kangli Wang , Shunzhou Wang , Songlin Fan , Ge Li , Wei Gao

Neural implicit representations have recently demonstrated compelling results on dense Simultaneous Localization And Mapping (SLAM) but suffer from the accumulation of errors in camera tracking and distortion in the reconstruction.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Youmin Zhang , Fabio Tosi , Stefano Mattoccia , Matteo Poggi

Cross-View Geo-Localization (CVGL) between UAV imagery and satellite images plays a crucial role in target localization and UAV self-positioning. However, most existing methods rely on the idealized assumption of scale consistency between…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Yibin Ye , Shuo Chen , Kun Wang , Xiaokai Song , Jisheng Dang , Qifeng Yu , Xichao Teng , Zhang Li

Cross-View Geo-Localisation within urban regions is challenging in part due to the lack of geo-spatial structuring within current datasets and techniques. We propose utilising graph representations to model sequences of local observations…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Tavis Shore , Oscar Mendez , Simon Hadfield

Vision-Language Navigation (VLN) requires an agent to navigate 3D environments following natural language instructions. During navigation, existing agents commonly encounter perceptual uncertainty, such as insufficient evidence for reliable…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Jianzhe Gao , Rui Liu , Yuxuan Xu , Tongtong Cao , Yingxue Zhang , Zhanguang Zhang , Sida Peng , Yi Yang , Wenguan Wang

Indoor positioning aims at navigation inside areas with no GPS-data availability and could be employed in many applications such as augmented reality, autonomous driving specially inside closed areas and tunnels. In this paper, a deep…

Computer Vision and Pattern Recognition · Computer Science 2020-01-28 Ali Ghofrani , Rahil Mahdian Toroghi , Seyed Mojtaba Tabatabaie , Seyed Maziar Tabasi