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Pretrained Vision-Language-Action (VLA) policies have achieved strong single-step manipulation, but their inference remains largely memoryless, which is brittle in non-Markovian long-horizon settings with occlusion, state aliasing, and…

Robotics · Computer Science 2026-03-10 Jun Sun , Boyu Yang , Jiahao Zhang , Ning Ma , Chencheng Wu , Siqing Zhang , Yiou Huang , Qiufeng Wang , Shan Liang , Yaran Chen

Solving complex real-world control tasks often takes multiple tries: if we fail at first, we reflect on what went wrong, and change our strategy accordingly to avoid making the same mistake. In robotics, Vision-Language-Action models (VLAs)…

Robotics · Computer Science 2025-10-23 Ameesh Shah , William Chen , Adwait Godbole , Federico Mora , Sanjit A. Seshia , Sergey Levine

Vision-Language-Action (VLA) policies are typically evaluated as if the user had finished typing or speaking before the robot begins acting. In real deployment, however, users take several seconds to enter a request, leaving the policy idle…

Robotics · Computer Science 2026-05-13 Joonha Park , Jiseung Jeong , Taesik Gong

Vision-Language-Action (VLA) models offer promising capabilities for autonomous driving through multimodal understanding. However, their utilization in safety-critical scenarios is constrained by inherent limitations, including imprecise…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Yiru Wang , Zichong Gu , Yu Gao , Anqing Jiang , Zhigang Sun , Shuo Wang , Yuwen Heng , Hao Sun

Humans practice slow thinking before performing actual actions when handling complex tasks in the physical world. This thinking paradigm, recently, has achieved remarkable advancement in boosting Large Language Models (LLMs) to solve…

Latent Action Models (LAMs) have emerged as an effective paradigm for handling heterogeneous datasets during Vision-Language-Action (VLA) model pretraining, offering a unified action space across embodiments. However, existing LAMs often…

Robotics · Computer Science 2026-05-14 Qiwei Li , Xicheng Gong , Xinghang Li , Peiyan Li , Quanyun Zhou , Hangjun Ye , Jiahuan Zhou , Yadong Mu

Creating an immersive and interactive theatrical experience is a long-term goal in the field of interactive narrative. The emergence of large language models (LLMs) provides a new path to achieve this goal. However, existing drama…

Artificial Intelligence · Computer Science 2026-05-12 Shufan Jiang , Sizhou Chen , Chios Chen , Chi Zhang , Xiao-Lei Zhang , Xuelong Li

Fine-tuning vision-language models (VLMs) on robot teleoperation data to create vision-language-action (VLA) models is a promising paradigm for training generalist policies, but it suffers from a fundamental tradeoff: learning to produce…

Robotics · Computer Science 2025-09-29 Asher J. Hancock , Xindi Wu , Lihan Zha , Olga Russakovsky , Anirudha Majumdar

In dynamic environments such as warehouses, hospitals, and homes, robots must seamlessly transition between gross motion and precise manipulations to complete complex tasks. However, current Vision-Language-Action (VLA) frameworks, largely…

Vision-Language-Action (VLA) models have emerged as a popular paradigm for learning robot manipulation policies that can follow language instructions and generalize to novel scenarios. Recent works have begun to explore the incorporation of…

Vision-Language-Action (VLA) models have shown strong performance in robotic manipulation, but often struggle in long-horizon or out-of-distribution scenarios due to the lack of explicit mechanisms for multimodal reasoning and anticipating…

Robotic manipulation in open-world settings requires not only task execution but also the ability to detect and learn from failures. While recent advances in vision-language models (VLMs) and large language models (LLMs) have improved…

Vision-Language-Action (VLA) models demonstrate remarkable potential for generalizable robotic manipulation. The execution of complex multi-step behaviors in VLA models can be improved by robust instruction grounding, a critical component…

Vision-language-action (VLA) models integrate visual observations and language instructions to predict robot actions, demonstrating promising generalization in manipulation tasks. However, most existing approaches primarily rely on direct…

Robotics · Computer Science 2026-03-02 Jiasong Xiao , Yutao She , Kai Li , Yuyang Sha , Ziang Cheng , Ziang Tong

While vision-language-action (VLA) models for embodied agents integrate perception, reasoning, and control, they remain constrained by two critical weaknesses: first, during grasping tasks, the action tokens generated by the language model…

Robotics · Computer Science 2026-02-03 Wentao Zhang , Aolan Sun , Wentao Mo , Xiaoyang Qu , Yuxin Zheng , Jianzong Wang

Visual-Language-Action models (VLAs) have advanced generalist robot control by mapping multimodal observations and language instructions directly to actions, but sparse action supervision often encourages shortcut mappings rather than…

Robotics · Computer Science 2026-05-04 Hao Luo , Wanpeng Zhang , Yicheng Feng , Sipeng Zheng , Haiweng Xu , Chaoyi Xu , Ziheng Xi , Yuhui Fu , Zongqing Lu

The integration of Vision-Language-Action (VLA) models into autonomous driving systems offers a unified framework for interpreting complex scenes and executing control commands. However, the necessity to incorporate historical multi-view…

Robotics · Computer Science 2026-03-30 Yiru Wang , Anqing Jiang , Shuo Wang , Yuwen Heng , Zichong Gu , Hao Sun

Robotic manipulation often requires memory: occlusion and state changes can make decision-time observations perceptually aliased, making action selection non-Markovian at the observation level because the same observation may arise from…

Robotics · Computer Science 2026-03-26 Xinying Guo , Chenxi Jiang , Hyun Bin Kim , Ying Sun , Yang Xiao , Yuhang Han , Jianfei Yang

One promise that Vision-Language-Action (VLA) models hold over traditional imitation learning for robotics is to leverage the broad generalization capabilities of large Vision-Language Models (VLMs) to produce versatile, "generalist" robot…

Robotics · Computer Science 2025-06-12 Irving Fang , Juexiao Zhang , Shengbang Tong , Chen Feng

Vision-language-action (VLA) models remain constrained by the scarcity of action-labeled robot data, whereas action-free videos provide abundant evidence of how the physical world changes. Latent action models offer a promising way to…