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Vision-language Navigation (VLN) tasks require an agent to navigate step-by-step while perceiving the visual observations and comprehending a natural language instruction. Large data bias, which is caused by the disparity ratio between the…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Chong Liu , Fengda Zhu , Xiaojun Chang , Xiaodan Liang , Zongyuan Ge , Yi-Dong Shen

Vision-and-Language Navigation (VLN) is a task where an agent navigates in an embodied indoor environment under human instructions. Previous works ignore the distribution of sample difficulty and we argue that this potentially degrade their…

机器学习 · 计算机科学 2021-11-16 Jiwen Zhang , Zhongyu Wei , Jianqing Fan , Jiajie Peng

Recent work in Vision-and-Language Navigation (VLN) has presented two environmental paradigms with differing realism -- the standard VLN setting built on topological environments where navigation is abstracted away, and the VLN-CE setting…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Jacob Krantz , Stefan Lee

In vision-and-language navigation (VLN), an embodied agent is required to navigate in realistic 3D environments following natural language instructions. One major bottleneck for existing VLN approaches is the lack of sufficient training…

计算机视觉与模式识别 · 计算机科学 2022-08-26 Shizhe Chen , Pierre-Louis Guhur , Makarand Tapaswi , Cordelia Schmid , Ivan Laptev

Vision-and-Language Navigation (VLN) tasks require an agent to navigate through the environment based on language instructions. In this paper, we aim to solve two key challenges in this task: utilizing multilingual instructions for improved…

计算机视觉与模式识别 · 计算机科学 2022-07-06 Jialu Li , Hao Tan , Mohit Bansal

Language-guided embodied navigation requires an agent to interpret object-referential instructions, search across multiple rooms, localize the referenced target, and execute reliable motion toward it. Existing systems remain limited in real…

机器人学 · 计算机科学 2026-03-19 Zhongyuang Liu , Min He , Shaonan Yu , Xinhang Xu , Muqing Cao , Jianping Li , Jianfei Yang , Lihua Xie

Despite significant progress in Vision-Language Navigation (VLN), existing approaches still rely on dense RGB videos that produce excessive patch tokens and lack explicit spatial structure, resulting in substantial computational overhead…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Jiahao Yang , Zihan Wang , Xiangyang Li , Xing Zhu , Yujun Shen , Yinghao Xu , Shuqiang Jiang

Vision-and-Language Navigation (VLN) requires the agent to follow language instructions to navigate through 3D environments. One main challenge in VLN is the limited availability of photorealistic training environments, which makes it hard…

计算机视觉与模式识别 · 计算机科学 2023-05-31 Jialu Li , Mohit Bansal

Vision-language navigation (VLN), which entails an agent to navigate 3D environments following human instructions, has shown great advances. However, current agents are built upon panoramic observations, which hinders their ability to…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Rui Liu , Xiaohan Wang , Wenguan Wang , Yi Yang

Vision-and-Language Navigation (VLN) requires an agent to ground language instructions to its own movement within a visual environment. While state-of-the-art methods leverage the reasoning capabilities of Vision-Language Models (VLMs) for…

机器人学 · 计算机科学 2026-05-22 Wenxuan Guo , Xiuwei Xu , Yichen Liu , Xiangyu Li , Hang Yin , Huangxing Chen , Wenzhao Zheng , Jianjiang Feng , Jie Zhou , Jiwen Lu

Vision-Language Navigation (VLN) is a core challenge in embodied AI, requiring agents to navigate real-world environments using natural language instructions. Current language model-based navigation systems operate on discrete topological…

计算机视觉与模式识别 · 计算机科学 2025-06-26 Zhangyang Qi , Zhixiong Zhang , Yizhou Yu , Jiaqi Wang , Hengshuang Zhao

Vision-and-Language Navigation (VLN) is a task that an agent is required to follow a language instruction to navigate to the goal position, which relies on the ongoing interactions with the environment during moving. Recent…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Chuang Lin , Yi Jiang , Jianfei Cai , Lizhen Qu , Gholamreza Haffari , Zehuan Yuan

Vision-and-Language Navigation (VLN), where an agent follows instructions to reach a target destination, has recently seen significant advancements. In contrast to navigation in discrete environments with predefined trajectories, VLN in…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Guangzhao Dai , Jian Zhao , Yuantao Chen , Yusen Qin , Hao Zhao , Guosen Xie , Yazhou Yao , Xiangbo Shu , Xuelong Li

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…

计算与语言 · 计算机科学 2020-10-09 Shuhei Kurita , Kyunghyun Cho

Outdoor Vision-and-Language Navigation (VLN) requires an agent to navigate through realistic 3D outdoor environments based on natural language instructions. The performance of existing VLN methods is limited by insufficient diversity in…

计算机视觉与模式识别 · 计算机科学 2024-02-08 Jialu Li , Aishwarya Padmakumar , Gaurav Sukhatme , Mohit Bansal

Vision-Language Navigation (VLN) enables agents to navigate in complex environments by following natural language instructions grounded in visual observations. Although most existing work has focused on ground-based robots or outdoor…

机器人学 · 计算机科学 2025-12-23 Xu Liu , Yu Liu , Hanshuo Qiu , Yang Qirong , Zhouhui Lian

Vision language navigation is the task that requires an agent to navigate through a 3D environment based on natural language instructions. One key challenge in this task is to ground instructions with the current visual information that the…

计算与语言 · 计算机科学 2021-04-21 Jialu Li , Hao Tan , Mohit Bansal

Vision-language Navigation (VLN) requires an agent to understand visual observations and language instructions to navigate in unseen environments. Most existing approaches rely on static scene assumptions and struggle to generalize in…

机器人学 · 计算机科学 2026-03-24 Xiangchen Liu , Hanghan Zheng , Jeil Jeong , Minsung Yoon , Lin Zhao , Zhide Zhong , Haoang Li , Sung-Eui Yoon

Vision-and-Language Navigation (VLN) aims to develop embodied agents that navigate based on human instructions. However, current VLN frameworks often rely on static environments and optimal expert supervision, limiting their real-world…

人工智能 · 计算机科学 2024-11-05 Heng Li , Minghan Li , Zhi-Qi Cheng , Yifei Dong , Yuxuan Zhou , Jun-Yan He , Qi Dai , Teruko Mitamura , Alexander G. Hauptmann

Vision-and-language navigation (VLN) tasks require agents to navigate three-dimensional environments guided by natural language instructions, offering substantial potential for diverse applications. However, the scarcity of training data…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Sen Wang , Dongliang Zhou , Liang Xie , Chao Xu , Ye Yan , Erwei Yin