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Vision-and-language navigation (VLN) agents are trained to navigate in real-world environments by following natural language instructions. A major challenge in VLN is the limited availability of training data, which hinders the models'…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Zi-Yi Dou , Feng Gao , Nanyun Peng

Mobile robot path planning in complex environments remains a significant challenge, especially in achieving efficient, safe and robust paths. The traditional path planning techniques like DRL models typically trained for a given…

Robotics · Computer Science 2025-01-28 Muhammad Taha Tariq , Congqing Wang , Yasir Hussain

We present a novel high-level planning framework that leverages vision-language models (VLMs) to improve autonomous navigation in unknown indoor environments with many dead ends. Traditional exploration methods often take inefficient routes…

Robotics · Computer Science 2025-10-14 D. Schwartz , K. Kondo , J. P. How

Autonomous trajectory generation for unmanned aerial vehicles (UAVs) in unknown environments continues to be an important research area as UAVs become more prolific. We define a trajectory generation algorithm for a vehicle in an unknown…

Optimization and Control · Mathematics 2017-07-21 Kenan Cole , Adam Wickenheiser

Autonomous driving is a challenging task that requires perceiving and understanding the surrounding environment for safe trajectory planning. While existing vision-based end-to-end models have achieved promising results, these methods are…

Computer Vision and Pattern Recognition · Computer Science 2025-01-16 Tengpeng Li , Hanli Wang , Xianfei Li , Wenlong Liao , Tao He , Pai Peng

In this paper, we propose a training-free framework for vision-and-language navigation (VLN). Existing zero-shot VLN methods are mainly designed for discrete environments or involve unsupervised training in continuous simulator…

Robotics · Computer Science 2025-09-15 Hang Yin , Haoyu Wei , Xiuwei Xu , Wenxuan Guo , Jie Zhou , Jiwen Lu

Natural environments such as forests and grasslands are challenging for robotic navigation because of the false perception of rigid obstacles from high grass, twigs, or bushes. In this work, we propose Wild Visual Navigation (WVN), an…

Robotics · Computer Science 2023-05-17 Jonas Frey , Matias Mattamala , Nived Chebrolu , Cesar Cadena , Maurice Fallon , Marco Hutter

Vision-language models (VLMs) have recently emerged as powerful representation learning systems that align visual observations with natural language concepts, offering new opportunities for semantic reasoning in safety-critical autonomous…

Computer Vision and Pattern Recognition · Computer Science 2026-02-19 Ross Greer , Maitrayee Keskar , Angel Martinez-Sanchez , Parthib Roy , Shashank Shriram , Mohan Trivedi

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

We propose VLM-Social-Nav, a novel Vision-Language Model (VLM) based navigation approach to compute a robot's motion in human-centered environments. Our goal is to make real-time decisions on robot actions that are socially compliant with…

Robotics · Computer Science 2024-11-27 Daeun Song , Jing Liang , Amirreza Payandeh , Amir Hossain Raj , Xuesu Xiao , Dinesh Manocha

Pre-trained large language models (LLMs) have demonstrated strong common-sense reasoning abilities, making them promising for robotic navigation and planning tasks. However, despite recent progress, bridging the gap between language…

Robotics · Computer Science 2025-12-29 Mingfeng Yuan , Letian Wang , Steven L. Waslander

In this paper, we introduce MapBench-the first dataset specifically designed for human-readable, pixel-based map-based outdoor navigation, curated from complex path finding scenarios. MapBench comprises over 1600 pixel space map path…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Shuo Xing , Zezhou Sun , Shuangyu Xie , Kaiyuan Chen , Yanjia Huang , Yuping Wang , Jiachen Li , Dezhen Song , Zhengzhong Tu

We investigate the Vision-and-Language Navigation (VLN) problem in the context of autonomous driving in outdoor settings. We solve the problem by explicitly grounding the navigable regions corresponding to the textual command. At each…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Kanishk Jain , Varun Chhangani , Amogh Tiwari , K. Madhava Krishna , Vineet Gandhi

Off-road traversability segmentation enables autonomous navigation with applications in search-and-rescue, military operations, wildlife exploration, and agriculture. Current frameworks struggle due to significant variations in unstructured…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Sattwik Sahu , Agamdeep Singh , Karthik Nambiar , Srikanth Saripalli , P. B. Sujit

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

Large and small language models have been widely used for robotic task planning. At the same time, vision-language models (VLMs) have successfully tackled problems such as image captioning, scene understanding, and visual question…

Robotics · Computer Science 2026-03-09 Cristiano Battistini , Riccardo Andrea Izzo , Gianluca Bardaro , Matteo Matteucci

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

This paper introduces the Text-to-TrajVis task, which aims to transform natural language questions into trajectory data visualizations, facilitating the development of natural language interfaces for trajectory visualization systems. As…

Computation and Language · Computer Science 2025-04-24 Tian Bai , Huiyan Ying , Kailong Suo , Junqiu Wei , Tao Fan , Yuanfeng Song

Vision-Language Models (VLMs) have been increasingly integrated into object navigation tasks for their rich prior knowledge and strong reasoning abilities. However, applying VLMs to navigation poses two key challenges: effectively…

Robotics · Computer Science 2025-09-17 Haokun Zhu , Zongtai Li , Zhixuan Liu , Wenshan Wang , Ji Zhang , Jonathan Francis , Jean Oh

We present a novel approach for long-term human trajectory prediction in indoor human-centric environments, which is essential for long-horizon robot planning in these environments. State-of-the-art human trajectory prediction methods are…

Robotics · Computer Science 2024-10-31 Nicolas Gorlo , Lukas Schmid , Luca Carlone