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Vision-and-Language Navigation (VLN) is a natural language grounding task where an agent learns to follow language instructions and navigate to specified destinations in real-world environments. A key challenge is to recognize and stop at…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Jiannan Xiang , Xin Eric Wang , William Yang Wang

Learning to navigate in a visual environment following natural-language instructions is a challenging task, because the multimodal inputs to the agent are highly variable, and the training data on a new task is often limited. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Weituo Hao , Chunyuan Li , Xiujun Li , Lawrence Carin , Jianfeng Gao

In Vision-and-Language Navigation (VLN), researchers typically take an image encoder pre-trained on ImageNet without fine-tuning on the environments that the agent will be trained or tested on. However, the distribution shift between the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Chia-Wen Kuo , Chih-Yao Ma , Judy Hoffman , Zsolt Kira

Large Language Model (LLM)-based Vision-Language Models (VLMs) have substantially extended the boundaries of visual understanding capabilities. However, their high computational demands hinder deployment on resource-constrained edge…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Haotong Qin , Cheng Hu , Michele Magno

Vision-and-Language Navigation (VLN) requires an agent to find a path to a remote location on the basis of natural-language instructions and a set of photo-realistic panoramas. Most existing methods take the words in the instructions and…

Computation and Language · Computer Science 2021-08-26 Yuankai Qi , Zizheng Pan , Yicong Hong , Ming-Hsuan Yang , Anton van den Hengel , Qi Wu

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

The increasing amount of published scholarly articles, exceeding 2.5 million yearly, raises the challenge for researchers in following scientific progress. Integrating the contributions from scholarly articles into a novel type of cognitive…

Digital Libraries · Computer Science 2024-09-12 Gollam Rabby , Sören Auer , Jennifer D'Souza , Allard Oelen

Joint video-language learning has received increasing attention in recent years. However, existing works mainly focus on single or multiple trimmed video clips (events), which makes human-annotated event boundaries necessary during…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Teng Wang , Jinrui Zhang , Feng Zheng , Wenhao Jiang , Ran Cheng , Ping Luo

In the Vision-and-Language Navigation (VLN) task an embodied agent navigates a 3D environment, following natural language instructions. A challenge in this task is how to handle 'off the path' scenarios where an agent veers from a reference…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Sonia Raychaudhuri , Saim Wani , Shivansh Patel , Unnat Jain , Angel X. Chang

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

Vision-and-Language Navigation (VLN) requires agents to follow language instructions while acting in continuous real-world spaces. Prior image imagination based VLN work shows benefits for discrete panoramas but lacks online,…

Robotics · Computer Science 2025-12-02 Yanjia Huang , Xianshun Jiang , Xiangbo Gao , Mingyang Wu , Zhengzhong Tu

Due to the success of deep learning (DL) and its growing job market, students and researchers from many areas are interested in learning about DL technologies. Visualization has proven to be of great help during this learning process. While…

Machine Learning · Computer Science 2022-07-18 Alex Bäuerle , Patrick Albus , Raphael Störk , Tina Seufert , Timo Ropinski

The growing demand for intelligent logistics, particularly fine-grained terminal delivery, underscores the need for autonomous UAV (Unmanned Aerial Vehicle)-based delivery systems. However, most existing last-mile delivery studies rely on…

Robotics · Computer Science 2025-05-07 Xinyuan Zhang , Yonglin Tian , Fei Lin , Yue Liu , Jing Ma , Kornélia Sára Szatmáry , Fei-Yue Wang

Vision-and-Language Navigation (VLN) is a challenging task that requires a robot to navigate in photo-realistic environments with human natural language promptings. Recent studies aim to handle this task by constructing the semantic spatial…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Jiacui Huang , Hongtao Zhang , Mingbo Zhao , Zhou Wu

Vision-Language Navigation (VLN) aims to empower robots with the ability to perform long-horizon navigation in unfamiliar environments based on complex linguistic instructions. Its success critically hinges on establishing an efficient…

Robotics · Computer Science 2026-03-04 Ling Luo , Qianqian Bai

The event-based Vision-Language Model (VLM) recently has made good progress for practical vision tasks. However, most of these works just utilize CLIP for focusing on traditional perception tasks, which obstruct model understanding…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Pengteng Li , Yunfan Lu , Pinghao Song , Wuyang Li , Huizai Yao , Hui Xiong

Vision-Language Navigation (VLN) aims to guide agents by leveraging language instructions and visual cues, playing a pivotal role in embodied AI. Indoor VLN has been extensively studied, whereas outdoor aerial VLN remains underexplored. The…

Mobile robots are increasingly required to navigate and interact within unknown and unstructured environments to meet human demands. Demand-driven navigation (DDN) enables robots to identify and locate objects based on implicit human…

Artificial Intelligence · Computer Science 2025-08-18 Yuehao Huang , Liang Liu , Shuangming Lei , Yukai Ma , Hao Su , Jianbiao Mei , Pengxiang Zhao , Yaqing Gu , Yong Liu , Jiajun Lv

Recent research on Vision-and-Language Navigation (VLN) indicates that agents suffer from poor generalization in unseen environments due to the lack of realistic training environments and high-quality path-instruction pairs. Most existing…

Robotics · Computer Science 2024-11-19 Yu Yan , Rongtao Xu , Jiazhao Zhang , Peiyang Li , Xiaodan Liang , Jianqin Yin

Pretrained visual-language models have extensive world knowledge and are widely used in visual and language navigation (VLN). However, they are not sensitive to indoor scenarios for VLN tasks. Another challenge for VLN is how the agent…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Ting Liu , Yue Hu , Wansen Wu , Youkai Wang , Kai Xu , Quanjun Yin