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Vision-and-Language Navigation (VLN) presents a complex challenge in embodied AI, requiring agents to interpret natural language instructions and navigate through visually rich, unfamiliar environments. Recent advances in large…

Robotics · Computer Science 2025-06-13 Yicheng Duan , Kaiyu tang

The ability to accurately locate and navigate to a specific object is a crucial capability for embodied agents that operate in the real world and interact with objects to complete tasks. Such object navigation tasks usually require…

Artificial Intelligence · Computer Science 2023-07-07 Kaiwen Zhou , Kaizhi Zheng , Connor Pryor , Yilin Shen , Hongxia Jin , Lise Getoor , Xin Eric Wang

Non-monotone object rearrangement planning in confined spaces such as cabinets and shelves is a widely occurring but challenging problem in robotics. Both the robot motion and the available regions for object relocation are highly…

Robotics · Computer Science 2024-08-09 Hanwen Ren , Ahmed H. Qureshi

Robot navigation in dynamic environments shared with humans is an important but challenging task, which suffers from performance deterioration as the crowd grows. In this paper, multi-subgoal robot navigation approach based on deep…

Robotics · Computer Science 2022-11-30 Xinyi Yu , Jianan Hu , Yuehai Fan , Wancai Zheng , Linlin Ou

Navigating a large-scaled robot in unknown and cluttered height-constrained environments is challenging. Not only is a fast and reliable planning algorithm required to go around obstacles, the robot should also be able to change its…

Robotics · Computer Science 2023-07-14 Zhongyu Li , Jun Zeng , Shuxiao Chen , Koushil Sreenath

High speed navigation through unknown environments is a challenging problem in robotics. It requires fast computation and tight integration of all the subsystems on the robot such that the latency in the perception-action loop is as small…

UAV vision-language navigation (VLN) requires an agent to navigate complex 3D environments from an egocentric perspective while following ambiguous multi-step instructions over long horizons. Existing zero-shot methods remain limited, as…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Dian Shao , Zhengzheng Xu , Peiyang Wang , Like Liu , Yule Wang , Jieqi Shi , Jing Huo

In mobile robot navigation, despite advancements, the generation of optimal paths often disrupts pedestrian areas. To tackle this, we propose three key contributions to improve human-robot coexistence in shared spaces. Firstly, we have…

Robotics · Computer Science 2023-12-29 Tong Zhou , Senmao Qi , Guangdu Cen , Ziqi Zha , Erli Lyu , Jiaole Wang , Max Q. -H. Meng

Efficiently training quadruped robot navigation in densely cluttered environments remains a significant challenge. Existing methods are either limited by a lack of safety and agility in simple obstacle distributions or suffer from slow…

Robotics · Computer Science 2026-03-11 Shiyi Chen , Mingye Yang , Haiyan Mao , Jiaqi Zhang , Haiyi Liu , Shuheng He , Debing Zhang , Zihao Qiu , Chun Zhang

Mobile robots in unstructured, mapless environments must rely on an obstacle avoidance module to navigate safely. The standard avoidance techniques estimate the locations of obstacles with respect to the robot but are unaware of the…

Robotics · Computer Science 2021-07-15 Jungseok Hong , Karin de Langis , Cole Wyeth , Christopher Walaszek , Junaed Sattar

We propose the zero-shot Vision-and-Language Navigation with Collision Mitigation (VLN-CM), which takes these considerations. VLN-CM is composed of four modules and predicts the direction and distance of the next movement at each step. We…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Seongjun Jeong , Gi-Cheon Kang , Joochan Kim , Byoung-Tak Zhang

Multimodal Procedural Planning (MPP) aims to generate step-by-step instructions that combine text and images, with the central challenge of preserving object-state consistency across modalities while producing informative plans. Existing…

Machine Learning · Computer Science 2025-09-29 Afrina Tabassum , Bin Guo , Xiyao Ma , Hoda Eldardiry , Ismini Lourentzou

Open vocabulary 3D object detection (OV3D) allows precise and extensible object recognition crucial for adapting to diverse environments encountered in assistive robotics. This paper presents OpenNav, a zero-shot 3D object detection…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Muhammad Rameez ur Rahman , Piero Simonetto , Anna Polato , Francesco Pasti , Luca Tonin , Sebastiano Vascon

Open-world navigation requires robots to make decisions in complex everyday environments while adapting to flexible task requirements. Conventional navigation approaches often rely on dense 3D reconstruction and hand-crafted goal metrics,…

Robotics · Computer Science 2026-05-18 Esteban Padilla-Cerdio , Boyang Sun , Marc Pollefeys , Hermann Blum

We present an active mapping system that plans for both long-horizon exploration goals and short-term actions using a 3D Gaussian Splatting (3DGS) representation. Existing methods either do not take advantage of recent developments in…

Robotics · Computer Science 2025-09-08 Wen Jiang , Boshu Lei , Katrina Ashton , Kostas Daniilidis

Multi-robot navigation is a challenging task in which multiple robots must be coordinated simultaneously within dynamic environments. We apply deep reinforcement learning (DRL) to learn a decentralized end-to-end policy which maps raw…

Robotics · Computer Science 2022-09-08 Christian Jestel , Hartmut Surmann , Jonas Stenzel , Oliver Urbann , Marius Brehler

An important open problem in robotic planning is the autonomous generation of 3D inspection paths -- that is, planning the best path to move a robot along in order to inspect a target structure. We recently suggested a new method for…

Artificial Intelligence · Computer Science 2019-01-23 Kai Olav Ellefsen , Herman A. Lepikson , Jan C. Albiez

Safe manipulation-oriented navigation for humanoid robots requires scene memory that remains reliable under locomotion-induced perceptual distortion, environmental changes, and interaction-level geometric safety constraints. Existing…

Robotics · Computer Science 2026-05-22 Peifeng Jiang , Hong Liu , Jin Jin , Wenshuai Wang , Xia Li

Object Goal Navigation (OGN) is a fundamental task for robots and AI, with key applications such as mobile robot image databases (MRID). In particular, mapless OGN is essential in scenarios involving unknown or dynamic environments. This…

Robotics · Computer Science 2025-03-27 Mitsuaki Uno , Kanji Tanaka , Daiki Iwata , Yudai Noda , Shoya Miyazaki , Kouki Terashima

Learning to navigate in dynamic and complex open-world environments is a critical yet challenging capability for autonomous robots. Existing approaches often rely on cascaded modular frameworks, which require extensive hyperparameter tuning…

Robotics · Computer Science 2025-12-25 Wenzhe Cai , Jiaqi Peng , Yuqiang Yang , Yujian Zhang , Meng Wei , Hanqing Wang , Yilun Chen , Tai Wang , Jiangmiao Pang