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Perception of traversable regions and objects of interest from a 3D point cloud is one of the critical tasks in autonomous navigation. A ground vehicle needs to look for traversable terrains that are explorable by wheels. Then, to make safe…

Quadrotors hold significant promise for several applications such as agriculture, search and rescue, and infrastructure inspection. Achieving autonomous operation requires systems to navigate safely through complex and unfamiliar…

Robotics · Computer Science 2025-10-07 Jeffrey Mao , Raghuram Cauligi Srinivas , Steven Nogar , Giuseppe Loianno

Explorable 3D world generation from a single image or text prompt forms a cornerstone of spatial intelligence. Recent works utilize video model to achieve wide-scope and generalizable 3D world generation. However, existing approaches often…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Zhongqi Yang , Wenhang Ge , Yuqi Li , Jiaqi Chen , Haoyuan Li , Mengyin An , Fei Kang , Hua Xue , Baixin Xu , Yuyang Yin , Eric Li , Yang Liu , Yikai Wang , Hao-Xiang Guo , Yahui Zhou

This paper introduces a reactive navigation framework for mobile robots in 3-dimensional (3D) space. The proposed approach does not rely on the global map information and achieves fast navigation by employing a tentacle based sampling and…

Robotics · Computer Science 2020-01-28 Neşet Ünver Akmandor , Taşkın Padır

Drones equipped with cameras are emerging as a powerful tool for large-scale aerial 3D scanning, but existing automatic flight planners do not exploit all available information about the scene, and can therefore produce inaccurate and…

Computer Vision and Pattern Recognition · Computer Science 2017-08-07 Mike Roberts , Debadeepta Dey , Anh Truong , Sudipta Sinha , Shital Shah , Ashish Kapoor , Pat Hanrahan , Neel Joshi

Global path planning is the key technology in the design of unmanned surface vehicles. This paper establishes global environment modelling based on electronic charts and hexagonal grids which are proved to be better than square grids in…

Robotics · Computer Science 2018-07-24 Yanlong Wang , Xuemin Yu , Xu Liang

To autonomously navigate and plan interactions in real-world environments, robots require the ability to robustly perceive and map complex, unstructured surrounding scenes. Besides building an internal representation of the observed scene…

3D point cloud segmentation aims to assign semantic labels to individual points in a scene for fine-grained spatial understanding. Existing methods typically adopt data augmentation to alleviate the burden of large-scale annotation.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Hongbin Lin , Yifan Jiang , Juangui Xu , Jesse Jiaxi Xu , Yi Lu , Zhengyu Hu , Ying-Cong Chen , Hao Wang

With the increase in the availability of Building Information Models (BIM) and (semi-) automatic tools to generate BIM from point clouds, we propose a world model architecture and algorithms to allow the use of the semantic and geometric…

In dynamic scenes, both localization and mapping in visual SLAM face significant challenges. In recent years, numerous outstanding research works have proposed effective solutions for the localization problem. However, there has been a…

Robotics · Computer Science 2023-09-25 Xinggang Hu

Long-term planning for robots operating in domestic environments poses unique challenges due to the interactions between humans, objects, and spaces. Recent advancements in trajectory planning have leveraged vision-language models (VLMs) to…

Robotics · Computer Science 2025-03-13 Ermanno Bartoli , Dennis Rotondi , Kai O. Arras , Iolanda Leite

Navigating cluttered environments is a challenging task for any mobile system. Existing approaches for ground-based mobile systems primarily focus on small wheeled robots, which face minimal constraints with overhanging obstacles and cannot…

Robotics · Computer Science 2024-10-24 Monisha Mushtary Uttsha , Cedric Le Gentil , Lan Wu , Teresa Vidal-Calleja

This paper addresses the high demand in advanced intelligent robot navigation for a more holistic understanding of spatial environments, by introducing a novel system that harnesses the capabilities of Large Language Models (LLMs) to…

Robotics · Computer Science 2025-03-20 Yao Cheng , Zhe Han , Fengyang Jiang , Huaizhen Wang , Fengyu Zhou , Qingshan Yin , Lei Wei

For a multi-robot team that collaboratively explores an unknown environment, it is of vital importance that collected information is efficiently shared among robots in order to support exploration and navigation tasks. Practical constraints…

Robotics · Computer Science 2025-02-11 Yun Chang , Luca Ballotta , Luca Carlone

The absolute depth values of surrounding environments provide crucial cues for various assistive technologies, such as localization, navigation, and 3D structure estimation. We propose that accurate depth estimated from panoramic images can…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Junho Kim , Eun Sun Lee , Young Min Kim

Visual navigation in robotics traditionally relies on globally-consistent 3D maps or learned controllers, which can be computationally expensive and difficult to generalize across diverse environments. In this work, we present a novel…

Robotics · Computer Science 2025-09-11 Stefan Podgorski , Sourav Garg , Mehdi Hosseinzadeh , Lachlan Mares , Feras Dayoub , Ian Reid

We present a planning framework designed for humanoid navigation over challenging terrain. This framework is designed to plan a traversable, smooth, and collision-free path using a 2.5D height map. The planner is comprised of two stages.…

Robotics · Computer Science 2022-03-02 Stephen McCrory , Bhavyansh Mishra , Jaehoon An , Robert Griffin , Jerry Pratt , Hakki Erhan Sevil

This paper presents a novel method for real-time 3D navigation in large-scale, complex environments using a hierarchical 3D visibility graph (V-graph). The proposed algorithm addresses the computational challenges of V-graph construction…

Robotics · Computer Science 2024-09-18 Botao He , Guofei Chen , Cornelia Fermuller , Yiannis Aloimonos , Ji Zhang

Environmental information can provide reliable prior information about human motion intent, which can aid the subject with wearable robotics to walk in complex environments. Previous researchers have utilized 1D signal and 2D images to…

Computer Vision and Pattern Recognition · Computer Science 2019-03-22 Kuangen Zhang , Jing Wang , Chenglong Fu

For tasks conducted in unknown environments with efficiency requirements, real-time navigation of multi-robot systems remains challenging due to unfamiliarity with surroundings.In this paper, we propose a novel multi-robot collaborative…

Robotics · Computer Science 2025-12-29 Qingquan Lin , Weining Lu , Litong Meng , Chenxi Li , Bin Liang