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Safe UAV emergency landing requires more than just identifying flat terrain; it demands understanding complex semantic risks (e.g., crowds, temporary structures) invisible to traditional geometric sensors. In this paper, we propose a novel…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Chunliang Hua , Zeyuan Yang , Lei Zhang , Jiayang Sun , Fengwen Chen , Chunlan Zeng , Xiao Hu

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…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Weixi Feng , Tsu-Jui Fu , Yujie Lu , William Yang Wang

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…

机器人学 · 计算机科学 2026-03-17 Lazar Milikic , Manthan Patel , Jonas Frey

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 critical domain within embedded intelligence, requiring agents to navigate 3D environments based on natural language instructions. Traditional VLN research has focused on improving environmental…

人工智能 · 计算机科学 2024-09-24 Zhiyuan Li , Yanfeng Lv , Ziqin Tu , Di Shang , Hong Qiao

The task of vision-and-language navigation in continuous environments (VLN-CE) aims at training an autonomous agent to perform low-level actions to navigate through 3D continuous surroundings using visual observations and language…

机器人学 · 计算机科学 2024-12-30 Lu Yue , Dongliang Zhou , Liang Xie , Feitian Zhang , Ye Yan , Erwei Yin

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…

机器人学 · 计算机科学 2025-02-27 Zerui Li , Gengze Zhou , Haodong Hong , Yanyan Shao , Wenqi Lyu , Yanyuan Qiao , Qi Wu

Language-goal aerial navigation requires UAVs to localize targets in the complex outdoors, such as urban blocks based on textual instructions. The indoor methods are often hard to scale to urban scenes due to ambiguous objects, limited…

机器人学 · 计算机科学 2026-03-10 Haotian Xu , Yue Hu , Chen Gao , Zhengqiu Zhu , Yong Zhao , Yong Li , Quanjun Yin

Recent advances in vision-language models (VLMs) have demonstrated strong generalization in natural image tasks. However, their performance often degrades on unmanned aerial vehicle (UAV)-based aerial imagery, which features high…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Jiajin Guan , Haibo Mei , Bonan Zhang , Dan Liu , Yuanshuang Fu , Yue Zhang

Unmanned Aerial Vehicles (UAVs) are increasingly being utilized in various private and commercial applications, e.g., traffic control, parcel delivery, and Search and Rescue (SAR) missions. Machine Learning (ML) methods used in UAV-Assisted…

人工智能 · 计算机科学 2026-02-23 Yousef Emami , Hao Zhou , SeyedSina Nabavirazani , Luis Almeida

This study presents a novel evaluation framework for the Vision-Language Navigation (VLN) task. It aims to diagnose current models for various instruction categories at a finer-grained level. The framework is structured around the…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Zehao Wang , Minye Wu , Yixin Cao , Yubo Ma , Meiqi Chen , Tinne Tuytelaars

Vision-Language-Action (VLA) models for autonomous driving must integrate diverse textual inputs, including navigation commands, hazard warnings, and traffic state descriptions, yet current systems often present these as disconnected…

机器人学 · 计算机科学 2026-04-03 Yun Li , Yidu Zhang , Simon Thompson , Ehsan Javanmardi , Manabu Tsukada

Open-vocabulary 3D scene understanding presents a significant challenge in computer vision, with wide-ranging applications in embodied agents and augmented reality systems. Existing methods adopt neurel rendering methods as 3D…

计算机视觉与模式识别 · 计算机科学 2024-08-26 Jun Guo , Xiaojian Ma , Yue Fan , Huaping Liu , Qing Li

In recent years, reinforcement learning (RL)-based methods for learning driving policies have gained increasing attention in the autonomous driving community and have achieved remarkable progress in various driving scenarios. However,…

机器人学 · 计算机科学 2024-12-23 Zilin Huang , Zihao Sheng , Yansong Qu , Junwei You , Sikai Chen

Autonomous navigation in highly constrained environments remains challenging for mobile robots. Classical navigation approaches offer safety assurances but require environment-specific parameter tuning; end-to-end learning bypasses…

机器人学 · 计算机科学 2026-03-11 Yuanjie Lu , Beichen Wang , Zhengqi Wu , Yang Li , Xiaomin Lin , Chengzhi Mao , Xuesu Xiao

Existing UAV vision-and-language navigation (VLN) benchmarks rarely provide realistic aerial scenes, natural process-level instructions, and sufficient scale simultaneously, making it difficult to systematically train and evaluate UAV VLN…

计算与语言 · 计算机科学 2026-05-18 Hengxing Cai , Yijie Rao , Ligang Huang , Zanyang Zhong , Jinhan Dong , Jingjun Tan , Changhao Nai , Jue Hou , Wenhao Lu , Renxin Zhong

Curriculum learning improves reinforcement learning (RL) efficiency by sequencing tasks from simple to complex. However, many self-paced curriculum methods rely on computationally expensive inner-loop optimizations, limiting their…

机器学习 · 计算机科学 2026-03-26 Mohsen Sahraei Ardakani , Rui Song

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…

人工智能 · 计算机科学 2024-05-28 Wen Hanlin

Unmanned aerial vehicles (UAVs) are expected to be an integral part of wireless networks, and determining collision-free trajectories for multiple UAVs while satisfying requirements of connectivity with ground base stations (GBSs) is a…

机器人学 · 计算机科学 2021-04-19 Xueyuan Wang , M. Cenk Gursoy

Ensuring safe decision-making in autonomous vehicles remains a fundamental challenge despite rapid advances in end-to-end learning approaches. Traditional reinforcement learning (RL) methods rely on manually engineered rewards or sparse…

机器人学 · 计算机科学 2026-03-20 Zilin Huang , Zihao Sheng , Zhengyang Wan , Yansong Qu , Junwei You , Sicong Jiang , Sikai Chen