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In Vision-and-Language Navigation (VLN), an agent is required to plan a path to the target specified by the language instruction, using its visual observations. Consequently, prevailing VLN methods primarily focus on building powerful…

Robotics · Computer Science 2026-03-19 Tianfu Li , Wenbo Chen , Haoxuan Xu , Xinhu Zheng , Haoang Li

Open-Vocabulary Object Navigation (OVON) requires an embodied agent to locate a language-specified target in unknown environments. Existing zero-shot methods often reason over dense frontier points under incomplete observations, causing…

Robotics · Computer Science 2026-03-31 Maoguo Gao , Zejun Zhu , Zhiming Sun , Zhengwei Ma , Longze Yuan , Zhongjing Ma , Zhigang Gao , Jinhui Zhang , Suli Zou

Unmanned Aerial Vehicle (UAV) Vision-and-Language Navigation (VLN) is vital for applications such as disaster response, logistics delivery, and urban inspection. However, existing methods often struggle with insufficient multimodal fusion,…

Computation and Language · Computer Science 2025-05-20 Hengxing Cai , Jinhan Dong , Jingjun Tan , Jingcheng Deng , Sihang Li , Zhifeng Gao , Haidong Wang , Zicheng Su , Agachai Sumalee , Renxin Zhong

In the Vision-and-Language Navigation (VLN) task, the agent is required to navigate to a destination following a natural language instruction. While learning-based approaches have been a major solution to the task, they suffer from high…

Artificial Intelligence · Computer Science 2024-08-13 Zhaohuan Zhan , Lisha Yu , Sijie Yu , Guang Tan

Zero-shot object navigation requires agents to locate unseen target objects in unfamiliar environments without prior maps or task-specific training which remains a significant challenge. Although recent advancements in vision-language…

Robotics · Computer Science 2026-04-08 Feng Wu , Wei Zuo , Wenliang Yang , Jun Xiao , Yang Liu , Xinhua Zeng

Conventional approaches to vision-and-language navigation (VLN) are trained end-to-end but struggle to perform well in freely traversable environments. Inspired by the robotics community, we propose a modular approach to VLN using…

Robotics · Computer Science 2020-12-11 Kevin Chen , Junshen K. Chen , Jo Chuang , Marynel Vázquez , Silvio Savarese

Large-scale pre-training has shown promising results on the vision-and-language navigation (VLN) task. However, most existing pre-training methods employ discrete panoramas to learn visual-textual associations. This requires the model to…

Computer Vision and Pattern Recognition · Computer Science 2023-08-04 Dong An , Yuankai Qi , Yangguang Li , Yan Huang , Liang Wang , Tieniu Tan , Jing Shao

Autonomous navigation under natural language instructions represents a crucial step toward embodied intelligence, enabling complex task execution in environments ranging from industrial facilities to domestic spaces. However,…

Robotics · Computer Science 2026-03-05 Hongyu Song , Rishabh Dev Yadav , Cheng Guo , Wei Pan

VLN-CE is a recently released embodied task, where AI agents need to navigate a freely traversable environment to reach a distant target location, given language instructions. It poses great challenges due to the huge space of possible…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Hanqing Wang , Wei Liang , Luc Van Gool , Wenguan Wang

Aerial Vision-and-Language Navigation (VLN) is a novel task enabling Unmanned Aerial Vehicles (UAVs) to navigate in outdoor environments through natural language instructions and visual cues. However, it remains challenging due to the…

Robotics · Computer Science 2025-08-12 Yunpeng Gao , Zhigang Wang , Pengfei Han , Linglin Jing , Dong Wang , Bin Zhao

Vision-and-Language Navigation (VLN) increasingly relies on large vision-language models, but their inference cost conflicts with real-time deployment. Token caching is a promising training-free strategy that avoids redundant computation by…

Vision-and-Language Navigation (VLN) requires an agent to interpret natural language instructions and navigate complex environments. Current approaches often adopt a "black-box" paradigm, where a single Large Language Model (LLM) makes…

Computer Vision and Pattern Recognition · Computer Science 2025-09-11 Chenghao Liu , Zhimu Zhou , Jiachen Zhang , Minghao Zhang , Songfang Huang , Huiling Duan

Existing Vision-Language Navigation (VLN) methods typically adopt an egocentric, step-by-step paradigm, which struggles with error accumulation and limits efficiency. While recent approaches attempt to leverage pre-built environment maps,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Dijia Zhan , Jinyi Li , Chenxi Zheng , Shaoyu Huang , Yong Li , Jie Tang , Xuemiao Xu

This paper presents a novel approach for the Vision-and-Language Navigation (VLN) task in continuous 3D environments, which requires an autonomous agent to follow natural language instructions in unseen environments. Existing end-to-end…

Vision-and-Language Navigation (VLN) empowers agents to associate time-sequenced visual observations with corresponding instructions to make sequential decisions. However, generalization remains a persistent challenge, particularly when…

Robotics · Computer Science 2025-02-27 Zerui Li , Gengze Zhou , Haodong Hong , Yanyan Shao , Wenqi Lyu , Yanyuan Qiao , Qi Wu

Object navigation is crucial for robots, but traditional methods require substantial training data and cannot be generalized to unknown environments. Zero-shot object navigation (ZSON) aims to address this challenge, allowing robots to…

Robotics · Computer Science 2024-10-25 Congcong Wen , Yisiyuan Huang , Hao Huang , Yanjia Huang , Shuaihang Yuan , Yu Hao , Hui Lin , Yu-Shen Liu , Yi Fang

Vision-and-language navigation (VLN) enables the agent to navigate to a remote location in 3D environments following the natural language instruction. In this field, the agent is usually trained and evaluated in the navigation simulators,…

Robotics · Computer Science 2024-10-15 Zihan Wang , Xiangyang Li , Jiahao Yang , Yeqi Liu , Shuqiang Jiang

Vision-and-Language Navigation in Continuous Environments (VLN-CE) is one of the most intuitive yet challenging embodied AI tasks. Agents are tasked to navigate towards a target goal by executing a set of low-level actions, following a…

In the Vision-and-Language Navigation (VLN) field, agents are tasked with navigating real-world scenes guided by linguistic instructions. Enabling the agent to adhere to instructions throughout the process of navigation represents a…

Artificial Intelligence · Computer Science 2024-05-28 Wen Hanlin

Vision-and-Language Navigation (VLN) is a cornerstone of embodied intelligence. However, current agents often suffer from significant performance degradation when transitioning from simulation to real-world deployment, primarily due to…