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Most Vision-Language-Action (VLA) systems integrate a Vision-Language Model (VLM) for semantic reasoning with an action expert generating continuous action signals, yet both typically run at a single unified frequency. As a result, policy…

Robotics · Computer Science 2025-12-24 Teqiang Zou , Hongliang Zeng , Yuxuan Nong , Yifan Li , Kehui Liu , Haotian Yang , Xinyang Ling , Xin Li , Lianyang Ma

Recent advances in Vision-Language-Action (VLA) models have enabled robotic agents to integrate multimodal understanding with action execution. However, our empirical analysis reveals that current VLAs struggle to allocate visual attention…

Vision-Language-Action (VLA) models have emerged as a powerful framework that unifies perception, language, and control, enabling robots to perform diverse tasks through multimodal understanding. However, current VLA models typically…

Vision-language-action models (VLAs) have garnered significant attention for their potential in advancing robotic manipulation. However, previous approaches predominantly rely on the general comprehension capabilities of vision-language…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Yuqi Wang , Xinghang Li , Wenxuan Wang , Junbo Zhang , Yingyan Li , Yuntao Chen , Xinlong Wang , Zhaoxiang Zhang

Recent studies on Vision-Language-Action (VLA) models have shifted from the end-to-end action-generation paradigm toward a pipeline involving task planning followed by action generation, demonstrating improved performance on various…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Chongkai Gao , Zixuan Liu , Zhenghao Chi , Junshan Huang , Xin Fei , Yiwen Hou , Yuxuan Zhang , Yudi Lin , Zhirui Fang , Zeyu Jiang , Lin Shao

World models predict future transitions from observations and actions. Existing works predominantly focus on image generation only. Visual feature-based world models, on the other hand, predict future visual features instead of raw video…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Xinyu Zhang , Zhengtong Xu , Yutian Tao , Yeping Wang , Yu She , Abdeslam Boularias

Long-term action anticipation (LTA) aims to predict future actions over an extended period. Previous approaches primarily focus on learning exclusively from video data but lack prior knowledge. Recent researches leverage large language…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Congqi Cao , Lanshu Hu , Yating Yu , Yanning Zhang

Text-to-video diffusion models are notoriously limited in their ability to model temporal aspects such as motion, physics, and dynamic interactions. Existing approaches address this limitation by retraining the model or introducing external…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Ariel Shaulov , Itay Hazan , Lior Wolf , Hila Chefer

Humans can flexibly interpret and compose different goal specifications, such as language instructions, spatial coordinates, or visual references, when navigating to a destination. In contrast, most existing robotic navigation policies are…

Robotics · Computer Science 2025-09-25 Noriaki Hirose , Catherine Glossop , Dhruv Shah , Sergey Levine

Vision-language-action (VLA) models for closed-loop robot control are typically cast under the Markov assumption, making them prone to errors on tasks requiring historical context. To incorporate memory, existing VLAs either retrieve from a…

Robotics · Computer Science 2026-03-16 Hang Li , Fengyi Shen , Dong Chen , Liudi Yang , Xudong Wang , Jinkui Shi , Zhenshan Bing , Ziyuan Liu , Alois Knoll

Vision-Language-Action (VLA) models have shown strong performance on embodied manipulation, yet they remain brittle under visual observation changes, paraphrased language instructions, and compounded perturbations. This limitation suggests…

Robotics · Computer Science 2026-05-20 Jingzhou Luo , Yifan Wen , Yongjie Bai , Xinshuai Song , Yang Liu , Liang Lin

Vision-Language-Action (VLA) models commonly adapt pretrained Vision-Language Models (VLMs) to robot control by mapping visual observations and language instructions to continuous actions. Existing approaches typically take an…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Xuan Wang , Yinan Wu , Haoran Duan , Jungong Han

Autonomous driving requires reasoning about how the environment evolves and planning actions accordingly. Existing world-model-based approaches typically predict future scenes first and plan afterwards, resulting in open-loop imagination…

Robotics · Computer Science 2026-03-31 Qiqi Liu , Huan Xu , Jingyu Li , Bin Sun , Zhihui Hao , Dangen She , Xiatian Zhu , Li Zhang

Effective planning requires strong world models, but high-level world models that can understand and reason about actions with semantic and temporal abstraction remain largely underdeveloped. We introduce the Vision Language World Model…

Artificial Intelligence · Computer Science 2025-09-09 Delong Chen , Theo Moutakanni , Willy Chung , Yejin Bang , Ziwei Ji , Allen Bolourchi , Pascale Fung

Humans act with context and intention, with reasoning playing a central role. While internet-scale data has enabled broad reasoning capabilities in AI systems, grounding these abilities in physical action remains a major challenge. We…

Robotics · Computer Science 2025-12-11 Peijun Tang , Shangjin Xie , Binyan Sun , Baifu Huang , Kuncheng Luo , Haotian Yang , Weiqi Jin , Jianan Wang

Robotic manipulation, a key frontier in robotics and embodied AI, requires precise motor control and multimodal understanding, yet traditional rule-based methods fail to scale or generalize in unstructured, novel environments. In recent…

Robotics · Computer Science 2025-09-04 Rui Shao , Wei Li , Lingsen Zhang , Renshan Zhang , Zhiyang Liu , Ran Chen , Liqiang Nie

A reliable driving assistant should provide consistent responses based on temporally grounded reasoning derived from observed information. In this work, we investigate whether Vision-Language Models (VLMs), when applied as driving…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Chun-Peng Chang , Chen-Yu Wang , Holger Caesar , Alain Pagani

Vision-Language-Action (VLA) models have emerged as a promising paradigm for general-purpose robotic control, with test-time scaling (TTS) gaining attention to enhance robustness beyond training. However, existing TTS methods for VLAs…

Robotics · Computer Science 2026-02-05 Hyeonbeom Choi , Daechul Ahn , Youhan Lee , Taewook Kang , Seongwon Cho , Jonghyun Choi

The development of Vision-Language-Action (VLA) models has been significantly accelerated by pre-trained Vision-Language Models (VLMs). However, most existing end-to-end VLAs treat the VLM primarily as a multimodal encoder, directly mapping…

Robotics · Computer Science 2026-04-29 Yi Chen , Yuying Ge , Hui Zhou , Mingyu Ding , Yixiao Ge , Xihui Liu

While generative robot policies have demonstrated significant potential in learning complex, multimodal behaviors from demonstrations, they still exhibit diverse failures at deployment-time. Policy steering offers an elegant solution to…

Robotics · Computer Science 2025-05-05 Yilin Wu , Ran Tian , Gokul Swamy , Andrea Bajcsy