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We introduce Goal-Conditioned Visual Navigation Instruction Generation (GoViG), a new task that aims to generate contextually coherent navigation instructions solely from egocentric visual observations of initial and goal states. Unlike…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Fengyi Wu , Yifei Dong , Yilong Dai , Guangyu Chen , Qifeng Wu , Huiting Huang , Hang Wang , Qi Dai , Alexander G. Hauptmann , Zhi-Qi Cheng

Realistic trajectory generation with natural language control is pivotal for advancing autonomous vehicle technology. However, previous methods focus on individual traffic participant trajectory generation, thus failing to account for the…

Artificial Intelligence · Computer Science 2024-05-27 Junkai Xia , Chenxin Xu , Qingyao Xu , Chen Xie , Yanfeng Wang , Siheng Chen

Autonomous navigation in unstructured vegetated environments remains an open challenge. To successfully operate in these settings, ground vehicles must assess the traversability of the environment and determine which vegetation is pliable…

Robotics · Computer Science 2024-05-16 Fabio Ruetz , Nicholas Lawrance , Emili Hernández , Paulo Borges , Thierry Peynot

In recent years, various state of the art autonomous vehicle systems and architectures have been introduced. These methods include planners that depend on high-definition (HD) maps and models that learn an autonomous agent's controls in an…

Robotics · Computer Science 2022-03-29 David Paz , Hengyuan Zhang , Henrik I. Christensen

Autonomous driving systems have made significant advances in Q&A, perception, prediction, and planning based on local visual information, yet they struggle to incorporate broader navigational context that human drivers routinely utilize. We…

Robotics · Computer Science 2025-11-04 Qucheng Peng , Chen Bai , Guoxiang Zhang , Bo Xu , Xiaotong Liu , Xiaoyin Zheng , Chen Chen , Cheng Lu

Existing Vision-Language models (VLMs) estimate either long-term trajectory waypoints or a set of control actions as a reactive solution for closed-loop planning based on their rich scene comprehension. However, these estimations are coarse…

Robotics · Computer Science 2024-04-01 Pranjal Paul , Anant Garg , Tushar Choudhary , Arun Kumar Singh , K. Madhava Krishna

This paper proposes a new model, called condition-transforming variational autoencoder (CTVAE), to improve the performance of conversation response generation using conditional variational autoencoders (CVAEs). In conventional CVAEs , the…

Computation and Language · Computer Science 2019-04-25 Yu-Ping Ruan , Zhen-Hua Ling , Quan Liu , Zhigang Chen , Nitin Indurkhya

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

Vision and language navigation (VLN) is a challenging visually-grounded language understanding task. Given a natural language navigation instruction, a visual agent interacts with a graph-based environment equipped with panorama images and…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Raphael Schumann , Stefan Riezler

Navigation is an essential ability for mobile agents to be completely autonomous and able to perform complex actions. However, the problem of navigation for agents with limited (or no) perception of the world, or devoid of a fully defined…

Robotics · Computer Science 2020-11-30 Danilo Perico , Paulo E. Santos , Reinaldo Bianchi

Vision-and-Language Navigation in Continuous Environments (VLN-CE), which links language instructions to perception and control in the real world, is a core capability of embodied robots. Recently, large-scale pretrained foundation models…

Robotics · Computer Science 2025-09-16 Yunheng Wang , Yuetong Fang , Taowen Wang , Yixiao Feng , Yawen Tan , Shuning Zhang , Peiran Liu , Yiding Ji , Renjing Xu

Grounding natural language instructions to visual observations is fundamental for embodied agents operating in open-world environments. Recent advances in visual-language mapping have enabled generalizable semantic representations by…

Robotics · Computer Science 2025-08-05 Danyang Li , Zenghui Yang , Guangpeng Qi , Songtao Pang , Guangyong Shang , Qiang Ma , Zheng Yang

Recent advances in Vision-Language-Action (VLA) models have shown promising capabilities in autonomous driving by leveraging the understanding and reasoning strengths of Large Language Models(LLMs).However, our empirical analysis reveals…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Zihan You , Hongwei Liu , Chenxu Dang , Zhe Wang , Sining Ang , Aoqi Wang , Yan Wang

Efficient trajectory planning in off-road terrains presents a formidable challenge for autonomous vehicles, often necessitating complex multi-step pipelines. However, traditional approaches exhibit limited adaptability in dynamic…

Robotics · Computer Science 2026-01-13 Liangdong Zhang , Yiming Nie , Haoyang Li , Fanjie Kong , Baobao Zhang , Shunxin Huang , Kai Fu , Chen Min , Liang Xiao

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

Planning a safe and feasible trajectory for autonomous vehicles in real-time by fully utilizing perceptual information in complex urban environments is challenging. In this paper, we propose a spatio-temporal trajectory planning method…

Robotics · Computer Science 2025-02-26 Shan He , Yalong Ma , Tao Song , Yongzhi Jiang , Xinkai Wu

Recent efforts to enable visual navigation using large language models have mainly focused on developing complex prompt systems. These systems incorporate instructions, observations, and history into massive text prompts, which are then…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Yao-Hung Hubert Tsai , Vansh Dhar , Jialu Li , Bowen Zhang , Jian Zhang

LaViRA: Zero-shot Vision-and-Language Navigation in Continuous Environments (VLN-CE) requires an agent to navigate unseen environments based on natural language instructions without any prior training. Current methods face a critical…

Robotics · Computer Science 2026-03-05 Hongyu Ding , Ziming Xu , Yudong Fang , You Wu , Zixuan Chen , Jieqi Shi , Jing Huo , Yifan Zhang , Yang Gao

While generative models have shown great success in generating high-dimensional samples conditional on low-dimensional descriptors (learning e.g. stroke thickness in MNIST, hair color in CelebA, or speaker identity in Wavenet), their…

Machine Learning · Computer Science 2019-10-31 Mohammad Lotfollahi , Mohsen Naghipourfar , Fabian J. Theis , F. Alexander Wolf

Trajectory generation has garnered significant attention from researchers in the field of spatio-temporal analysis, as it can generate substantial synthesized human mobility trajectories that enhance user privacy and alleviate data…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Ji Cao , Tongya Zheng , Qinghong Guo , Yu Wang , Junshu Dai , Shunyu Liu , Jie Yang , Jie Song , Mingli Song