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Training end-to-end policies from image data to directly predict navigation actions for robotic systems has proven inherently difficult. Existing approaches often suffer from either the sim-to-real gap during policy transfer or a limited…

Robotics · Computer Science 2026-03-17 Lazar Milikic , Manthan Patel , Jonas Frey

The integration of large language models (LLMs) with embodied agents has improved high-level reasoning capabilities; however, a critical gap remains between semantic understanding and physical execution. While vision-language-action (VLA)…

Robotics · Computer Science 2026-04-07 Rongfeng Zhao , Xuanhao Zhang , Zhaochen Guo , Xiang Shao , Zhongpan Zhu , Bin He , Jie Chen

To be successful, Vision-and-Language Navigation (VLN) agents must be able to ground instructions to actions based on their surroundings. In this work, we develop a methodology to study agent behavior on a skill-specific basis -- examining…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Zijiao Yang , Arjun Majumdar , Stefan Lee

Aerial vision-and-language navigation (Aerial VLN) aims to enable unmanned aerial vehicles (UAVs) to interpret natural language instructions and autonomously navigate complex three-dimensional environments by grounding language in visual…

Robotics · Computer Science 2026-04-10 Xingyu Xia , Lekai Zhou , Yujie Tang , Xiaozhou Zhu , Hai Zhu , Wen Yao

Vision-language navigation (VLN) requires intelligent agents to navigate environments by interpreting linguistic instructions alongside visual observations, serving as a cornerstone task in Embodied AI. Current VLN research for unmanned…

The Vision-and-Language Navigation (VLN) task requires an agent to follow natural language instructions and navigate through complex environments. Existing MLLM-based VLN methods primarily rely on imitation learning (IL) and often use…

Robotics · Computer Science 2025-09-17 Zekai Zhang , Weiye Zhu , Hewei Pan , Xiangchen Wang , Rongtao Xu , Xing Sun , Feng Zheng

Vision-and-language navigation (VLN) is a trending topic which aims to navigate an intelligent agent to an expected position through natural language instructions. This work addresses the task of VLN from a previously-ignored aspect, namely…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Xinzhe Zhou , Wei Liu , Yadong Mu

Vision-Language Navigation (VLN) systems are fundamentally constrained by partial observability, as an agent can only accumulate knowledge from locations it has personally visited. As multiple robots increasingly coexist in shared…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Qunchao Jin , Yiliao Song , Qi Wu

Vision Language Action (VLA) models have recently shown great potential in bridging multimodal perception with robotic control. However, existing methods often rely on direct fine-tuning of pre-trained Vision-Language Models (VLMs), feeding…

Robotics · Computer Science 2026-02-04 Kun Wang , Xiao Feng , Mingcheng Qu , Tonghua Su

Vision-Language Models (VLMs) have demonstrated notable promise in autonomous driving by offering the potential for multimodal reasoning through pretraining on extensive image-text pairs. However, adapting these models from broad web-scale…

Robotics · Computer Science 2025-06-18 Yupeng Zhou , Can Cui , Juntong Peng , Zichong Yang , Juanwu Lu , Jitesh H Panchal , Bin Yao , Ziran Wang

Vision-and-Language Navigation requires an embodied agent to navigate through unseen environments, guided by natural language instructions and a continuous video stream. Recent advances in VLN have been driven by the powerful semantic…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Shuang Zeng , Dekang Qi , Xinyuan Chang , Feng Xiong , Shichao Xie , Xiaolong Wu , Shiyi Liang , Mu Xu , Xing Wei , Ning Guo

Vision-and-language navigation (VLN) is a task in which an agent is embodied in a realistic 3D environment and follows an instruction to reach the goal node. While most of the previous studies have built and investigated a discriminative…

Computation and Language · Computer Science 2020-10-09 Shuhei Kurita , Kyunghyun Cho

We present Vision-based Navigation with Language-based Assistance (VNLA), a grounded vision-language task where an agent with visual perception is guided via language to find objects in photorealistic indoor environments. The task emulates…

Machine Learning · Computer Science 2019-04-09 Khanh Nguyen , Debadeepta Dey , Chris Brockett , Bill Dolan

Visual Language Navigation is a task that challenges robots to navigate in realistic environments based on natural language instructions. While previous research has largely focused on static settings, real-world navigation must often…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Dillon Loh , Tomasz Bednarz , Xinxing Xia , Frank Guan

Robots are increasingly expected to execute open ended natural language requests in human environments, which demands reliable long horizon execution under partial observability. This is especially challenging for humanoids because…

Robotics · Computer Science 2026-03-12 Peng Ren , Haoyang Ge , Chuan Qi , Cong Huang , Hong Li , Jiang Zhao , Pei Chi , Kai Chen

Vision-and-language navigation (VLN), a frontier study aiming to pave the way for general-purpose robots, has been a hot topic in the computer vision and natural language processing community. The VLN task requires an agent to navigate to a…

Computer Vision and Pattern Recognition · Computer Science 2022-06-23 Yifeng Zhuang , Qiang Sun , Yanwei Fu , Lifeng Chen , Xiangyang Xue

Vision-and-Language Navigation (VLN) is unique in that it requires turning relatively general natural-language instructions into robot agent actions, on the basis of the visible environment. This requires to extract value from two very…

Computation and Language · Computer Science 2020-07-30 Yuankai Qi , Zizheng Pan , Shengping Zhang , Anton van den Hengel , Qi Wu

Although large language models (LLMs) are introduced into vision-and-language navigation (VLN) to improve instruction comprehension and generalization, existing LLM- based VLN lacks the ability to selectively recall and use relevant priori…

Artificial Intelligence · Computer Science 2026-03-10 Haozhou Li , Xiangyu Dong , Huiyan Jiang , Yaoming Zhou , Xiaoguang Ma

With the rapid progress of foundation models and robotics, vision-language navigation (VLN) has emerged as a key task for embodied agents with broad practical applications. We address VLN in continuous environments, a particularly…

Robotics · Computer Science 2025-09-26 Boqi Li , Siyuan Li , Weiyi Wang , Anran Li , Zhong Cao , Henry X. Liu

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