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Vision Language Models (VLMs) excel at visual question answering (VQA) but remain limited to snapshot vision, reasoning from static images. In contrast, embodied agents require ambulatory vision, actively moving to obtain more informative…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Juil Koo , Daehyeon Choi , Sangwoo Youn , Phillip Y. Lee , Minhyuk Sung

Vision-Language-Action (VLA) models show promise for robotic control, yet performance in complex household environments remains sub-optimal. Mobile manipulation requires reasoning about global scene layout, fine-grained geometry, and…

Robotics · Computer Science 2026-03-25 Ruisen Tu , Arth Shukla , Sohyun Yoo , Xuanlin Li , Junxi Li , Jianwen Xie , Hao Su , Zhuowen Tu

Vision-and-Language Navigation (VLN) has long been constrained by the limited diversity and scalability of simulator-curated datasets, which fail to capture the complexity of real-world environments. To overcome this limitation, we…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Mingfei Han , Haihong Hao , Liang Ma , Kamila Zhumakhanova , Ekaterina Radionova , Jingyi Zhang , Xiaojun Chang , Xiaodan Liang , Ivan Laptev

Vision-Language-Action (VLA) models exhibit strong generalization in robotic manipulation, yet reinforcement learning (RL) fine-tuning often degrades robustness under spatial distribution shifts. For flow-matching VLA policies, this…

Robotics · Computer Science 2026-02-03 Xu Pan , Zhenglin Wan , Xingrui Yu , Xianwei Zheng , Youkai Ke , Ming Sun , Rui Wang , Ziwei Wang , Ivor Tsang

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

Vision-and-language navigation (VLN) enables the agent to navigate to a remote location following the natural language instruction in 3D environments. At each navigation step, the agent selects from possible candidate locations and then…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Zihan Wang , Xiangyang Li , Jiahao Yang , Yeqi Liu , Junjie Hu , Ming Jiang , Shuqiang Jiang

Existing vision-and-language navigation (VLN) models primarily reason over past and current visual observations, while largely ignoring the future visual dynamics induced by actions. As a result, they often lack an effective understanding…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Haihong Hao , Lei Chen , Mingfei Han , Changlin Li , Dong An , Yuqiang Yang , Zhihui Li , Xiaojun Chang

Vision-Language-Action (VLA) models extend vision-language models to embodied control by mapping natural-language instructions and visual observations to robot actions. Despite their capabilities, VLA systems face significant challenges due…

Robotics · Computer Science 2025-10-24 Weifan Guan , Qinghao Hu , Aosheng Li , Jian Cheng

We consider the problem of Vision-and-Language Navigation (VLN). The majority of current methods for VLN are trained end-to-end using either unstructured memory such as LSTM, or using cross-modal attention over the egocentric observations…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Georgios Georgakis , Karl Schmeckpeper , Karan Wanchoo , Soham Dan , Eleni Miltsakaki , Dan Roth , Kostas Daniilidis

VLA models have shown promising potential in embodied navigation by unifying perception and planning while inheriting the strong generalization abilities of large VLMs. However, most existing VLA models rely on reactive mappings directly…

Robotics · Computer Science 2026-01-14 Shaoan Wang , Yuanfei Luo , Xingyu Chen , Aocheng Luo , Dongyue Li , Chang Liu , Sheng Chen , Yangang Zhang , Junzhi Yu

Learning to ground natural language queries to target objects or regions in 3D point clouds is quite essential for 3D scene understanding. Nevertheless, existing 3D visual grounding approaches require a substantial number of bounding box…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Xiaoxu Xu , Yitian Yuan , Qiudan Zhang , Wenhui Wu , Zequn Jie , Lin Ma , Xu Wang

Vision-and-Language Navigation (VLN) requires an agent to follow natural-language instructions, explore the given environments, and reach the desired target locations. These step-by-step navigational instructions are crucial when the agent…

Computation and Language · Computer Science 2020-05-08 Yubo Zhang , Hao Tan , Mohit Bansal

Path planning is a fundamental capability of autonomous Unmanned Aerial Vehicles (UAVs), enabling them to efficiently navigate toward a target region or explore complex environments while avoiding obstacles. Traditional pathplanning…

Robotics · Computer Science 2025-05-30 Jianlin Ye , Savvas Papaioannou , Panayiotis Kolios

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…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Jiahao Yang , Zihan Wang , Xiangyang Li , Xing Zhu , Yujun Shen , Yinghao Xu , Shuqiang Jiang

Vision-language navigation (VLN) is a critical domain within embedded intelligence, requiring agents to navigate 3D environments based on natural language instructions. Traditional VLN research has focused on improving environmental…

Artificial Intelligence · Computer Science 2024-09-24 Zhiyuan Li , Yanfeng Lv , Ziqin Tu , Di Shang , Hong Qiao

While significant research has focused on developing embodied reasoning capabilities using Vision-Language Models (VLMs) or integrating advanced VLMs into Vision-Language-Action (VLA) models for end-to-end robot control, few studies…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Ganlin Yang , Tianyi Zhang , Haoran Hao , Weiyun Wang , Yibin Liu , Dehui Wang , Guanzhou Chen , Zijian Cai , Junting Chen , Weijie Su , Wengang Zhou , Yu Qiao , Jifeng Dai , Jiangmiao Pang , Gen Luo , Wenhai Wang , Yao Mu , Zhi Hou

Recent advances in large Vision-Language Models (VLMs) have provided rich semantic understanding that empowers drones to search for open-set objects via natural language instructions. However, prior systems struggle to integrate VLMs into…

Robotics · Computer Science 2026-01-21 Xuecheng Chen , Zongzhuo Liu , Jianfa Ma , Bang Du , Tiantian Zhang , Xueqian Wang , Boyu Zhou

Vision-and-Language Navigation (VLN) is a task to guide an embodied agent moving to a target position using language instructions. Despite the significant performance improvement, the wide use of fine-grained instructions fails to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Weixi Feng , Tsu-Jui Fu , Yujie Lu , William Yang Wang

Multimodal Large Language Models (MLLMs) have demonstrated remarkable capabilities across a wide range of vision-language tasks. However, their performance as embodied agents, which requires multi-round dialogue spatial reasoning and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Xunyi Zhao , Gengze Zhou , Qi Wu

The rapid progress of vision--language models (VLMs) has sparked growing interest in robotic control, where natural language can express the operation goals while visual feedback links perception to action. However, directly deploying…

Robotics · Computer Science 2025-11-04 Sarthak Mishra , Rishabh Dev Yadav , Avirup Das , Saksham Gupta , Wei Pan , Spandan Roy