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Vision-Language-Action (VLA) models are receiving increasing attention for their ability to enable robots to perform complex tasks by integrating visual context with linguistic commands. However, achieving efficient real-time performance…

Robotics · Computer Science 2024-10-22 ByungOk Han , Jaehong Kim , Jinhyeok Jang

Robotic real-world reinforcement learning (RL) with vision-language-action (VLA) models is bottlenecked by sparse, handcrafted rewards and inefficient exploration. We introduce VLAC, a general process reward model built upon InternVL and…

Visual-Language-Action (VLA) models represent a paradigm shift in embodied AI, yet existing frameworks often struggle with imprecise spatial perception, suboptimal multimodal fusion, and instability in reinforcement learning. To bridge…

Robotics · Computer Science 2026-04-27 Haoxiang Jie , Yaoyuan Yan , Xiangyu Wei , Kailin Wang , Hongjie Yan , Zhiyou Heng , Daocheng Chen

Real-time execution is crucial for deploying Vision-Language-Action (VLA) models in the physical world. Existing asynchronous inference methods primarily optimize trajectory smoothness, but neglect the critical latency in reacting to…

Robotics · Computer Science 2026-05-19 Yuxiang Lu , Zhe Liu , Xianzhe Fan , Zhenya Yang , Jinghua Hou , Junyi Li , Kaixin Ding , Hengshuang Zhao

Long-horizon robotic manipulation requires bridging the gap between high-level planning (System 2) and low-level control (System 1). Current Vision-Language-Action (VLA) models often entangle these processes, performing redundant multimodal…

Robotics · Computer Science 2026-02-10 Tongqing Chen , Hang Wu , Jiasen Wang , Xiaotao Li , Lu Fang

Vision-Language-Action (VLA) models have demonstrated strong multi-modal reasoning capabilities, enabling direct action generation from visual perception and language instructions in an end-to-end manner. However, their substantial…

Robotics · Computer Science 2025-10-22 Siyu Xu , Yunke Wang , Chenghao Xia , Dihao Zhu , Tao Huang , Chang Xu

Executing language-conditioned tasks in dynamic visual environments remains a central challenge in embodied AI. Existing Vision-Language-Action (VLA) models predominantly adopt reactive state-to-action mappings, often leading to…

Robotics · Computer Science 2025-09-10 Qi Lv , Weijie Kong , Hao Li , Jia Zeng , Zherui Qiu , Delin Qu , Haoming Song , Qizhi Chen , Xiang Deng , Jiangmiao Pang

Equipping embodied agents with the ability to reason about tasks, foresee physical outcomes, and generate precise actions is essential for general-purpose manipulation. While recent Vision-Language-Action (VLA) models have leveraged…

Vision--Language--Action (VLA) models that encode actions using a discrete tokenization scheme are increasingly adopted for robotic manipulation, but existing decoding paradigms remain fundamentally limited. Whether actions are decoded…

Robotics · Computer Science 2026-04-08 Jiayi Chen , Wenxuan Song , Shuai Chen , Jingbo Wang , Zhijun Li , Haoang Li

Diffusion and flow matching models have emerged as powerful robot policies, enabling Vision-Language-Action (VLA) models to generalize across diverse scenes and instructions. Yet, when trained via imitation learning, their high generative…

Robotics · Computer Science 2026-03-26 Minho Park , Kinam Kim , Junha Hyung , Hyojin Jang , Hoiyeong Jin , Jooyeol Yun , Hojoon Lee , Jaegul Choo

In recent years, Vision-Language-Action (VLA) models have become a vital research direction in robotics due to their impressive multimodal understanding and generalization capabilities. Despite the progress, their practical deployment is…

Robotics · Computer Science 2025-06-17 Wenxuan Song , Jiayi Chen , Pengxiang Ding , Yuxin Huang , Han Zhao , Donglin Wang , Haoang Li

Vision-Language-Action (VLA) models have demonstrated strong performance in robotic manipulation, yet their closed-loop deployment is hindered by the high latency and compute cost of repeatedly running large vision-language backbones at…

Robotics · Computer Science 2026-01-28 Wenda Yu , Tianshi Wang , Fengling Li , Jingjing Li , Lei Zhu

The rapid advancement of generative AI and multi-modal foundation models has shown significant potential in advancing robotic manipulation. Vision-language-action (VLA) models, in particular, have emerged as a promising approach for…

Software Engineering · Computer Science 2025-05-13 Zhijie Wang , Zhehua Zhou , Jiayang Song , Yuheng Huang , Zhan Shu , Lei Ma

Recent vision-language-action models (VLAs) build upon pretrained vision-language models and leverage diverse robot datasets to demonstrate strong task execution, language following ability, and semantic generalization. Despite these…

Robotics · Computer Science 2025-04-29 Moo Jin Kim , Chelsea Finn , Percy Liang

Vision-Language-Action (VLA) models extend vision-language models to embodied control by mapping natural-language instructions and visual observations to robot actions. Despite their capabilities, VLA systems face significant challenges due…

Robotics · Computer Science 2025-10-24 Weifan Guan , Qinghao Hu , Aosheng Li , Jian Cheng

Vision-Language-Action (VLA) models have shown remarkable potential in visuomotor control and instruction comprehension through end-to-end learning processes. However, current VLA models face significant challenges: they are slow during…

Vision-language-action (VLA) models aim to understand natural language instructions and visual observations and to execute corresponding actions as an embodied agent. Recent work integrates future images into the understanding-acting loop,…

Robotics · Computer Science 2026-03-26 Jiayi Chen , Wenxuan Song , Pengxiang Ding , Ziyang Zhou , Han Zhao , Feilong Tang , Donglin Wang , Haoang Li

In voice conversion (VC) applications, diffusion and flow-matching models have exhibited exceptional speech quality and speaker similarity performances. However, they are limited by slow conversion owing to their iterative inference.…

Sound · Computer Science 2026-02-23 Takuhiro Kaneko , Hirokazu Kameoka , Kou Tanaka , Yuto Kondo

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…

Developing efficient Vision-Language-Action (VLA) policies is crucial for practical robotics deployment, yet current approaches face prohibitive computational costs and resource requirements. Existing diffusion-based VLA policies require…