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In vision-language models (VLMs), visual tokens usually bear a significant amount of computational overhead despite sparsity of information in them when compared to text tokens. To address this, most existing methods learn a network to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Yuan Zhang , Chun-Kai Fan , Junpeng Ma , Wenzhao Zheng , Tao Huang , Kuan Cheng , Denis Gudovskiy , Tomoyuki Okuno , Yohei Nakata , Kurt Keutzer , Shanghang Zhang

Zero-shot Vision-and-Language Navigation (VLN) agents leveraging Large Language Models (LLMs) excel in generalization but suffer from insufficient spatial perception. Focusing on complex continuous environments, we categorize key perceptual…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Lu Yue , Yue Fan , Shiwei Lian , Yu Zhao , Jiaxin Yu , Liang Xie , Feitian Zhang

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

Goal-conditioned policies for robotic navigation can be trained on large, unannotated datasets, providing for good generalization to real-world settings. However, particularly in vision-based settings where specifying goals requires an…

Robotics · Computer Science 2022-07-27 Dhruv Shah , Blazej Osinski , Brian Ichter , Sergey Levine

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

Latent diffusion models have emerged as a leading paradigm for efficient video generation. However, as user expectations shift toward higher-resolution outputs, relying solely on latent computation becomes inadequate. A promising approach…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Liangbin Xie , Yu Li , Shian Du , Menghan Xia , Xintao Wang , Fanghua Yu , Ziyan Chen , Pengfei Wan , Jiantao Zhou , Chao Dong

Vision-Language Navigation (VLN) requires an embodied agent to navigate complex environments by following natural language instructions, which typically demands tight fusion of visual and language modalities. Existing VLN methods often…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Daojie Peng , Fulong Ma , Jun Ma

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

Visual navigation is a fundamental capability for autonomous home-assistance robots, enabling long-horizon tasks such as object search. While recent methods have leveraged Large Language Models (LLMs) to incorporate commonsense reasoning…

Robotics · Computer Science 2026-05-01 Teng Wang , Xinxin Zhao , Wenzhe Cai , Changyin Sun

Real-world deployment of Vision-and-Language Navigation (VLN) agents is constrained by the scarcity of reliable supervision after offline training. While recent adaptation methods attempt to mitigate distribution shifts via…

Artificial Intelligence · Computer Science 2026-02-05 Yongqiang Yu , Xuhui Li , Hazza Mahmood , Jinxing Zhou , Haodong Hong , Longtao Jiang , Zhiqiang Xu , Qi Wu , Xiaojun Chang

Scaling video generation from seconds to minutes faces a critical bottleneck: while short-video data is abundant and high-fidelity, coherent long-form data is scarce and limited to narrow domains. To address this, we propose a training…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Shengqu Cai , Weili Nie , Chao Liu , Julius Berner , Lvmin Zhang , Nanye Ma , Hansheng Chen , Maneesh Agrawala , Leonidas Guibas , Gordon Wetzstein , Arash Vahdat

In vision-and-language navigation (VLN), an embodied agent is required to navigate in realistic 3D environments following natural language instructions. One major bottleneck for existing VLN approaches is the lack of sufficient training…

Computer Vision and Pattern Recognition · Computer Science 2022-08-26 Shizhe Chen , Pierre-Louis Guhur , Makarand Tapaswi , Cordelia Schmid , Ivan Laptev

Vision-and-language navigation requires an agent to navigate through a real 3D environment following natural language instructions. Despite significant advances, few previous works are able to fully utilize the strong correspondence between…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Yicong Hong , Cristian Rodriguez-Opazo , Qi Wu , Stephen Gould

Video diffusion models (VDMs) have advanced significantly in recent years, enabling the generation of highly realistic videos and drawing the attention of the community in their potential as world simulators. However, despite their…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Xindi Yang , Baolu Li , Yiming Zhang , Zhenfei Yin , Lei Bai , Liqian Ma , Zhiyong Wang , Jianfei Cai , Tien-Tsin Wong , Huchuan Lu , Xu Jia

Since the rise of vision-language navigation (VLN), great progress has been made in instruction following -- building a follower to navigate environments under the guidance of instructions. However, far less attention has been paid to the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Hanqing Wang , Wei Liang , Jianbing Shen , Luc Van Gool , Wenguan Wang

Robotic manipulation requires anticipating how the environment evolves in response to actions, yet most existing systems lack this predictive capability, often resulting in errors and inefficiency. While Vision-Language Models (VLMs)…

Robotics · Computer Science 2026-02-12 Songen Gu , Yunuo Cai , Tianyu Wang , Simo Wu , Yanwei Fu

Temporal action localization in videos presents significant challenges in the field of computer vision. While the boundary-sensitive method has been widely adopted, its limitations include incomplete use of intermediate and global…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Qing Song , Yang Zhou , Mengjie Hu , Chun Liu

Vision-and-language navigation (VLN) is a multimodal task where an agent follows natural language instructions and navigates in visual environments. Multiple setups have been proposed, and researchers apply new model architectures or…

Computer Vision and Pattern Recognition · Computer Science 2022-05-05 Wanrong Zhu , Yuankai Qi , Pradyumna Narayana , Kazoo Sone , Sugato Basu , Xin Eric Wang , Qi Wu , Miguel Eckstein , William Yang Wang

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

We present a video generation model that accurately reproduces object motion, changes in camera viewpoint, and new content that arises over time. Existing video generation methods often fail to produce new content as a function of time…

Computer Vision and Pattern Recognition · Computer Science 2022-06-10 Tim Brooks , Janne Hellsten , Miika Aittala , Ting-Chun Wang , Timo Aila , Jaakko Lehtinen , Ming-Yu Liu , Alexei A. Efros , Tero Karras