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Autoregressive vision-language-action (VLA) models have recently demonstrated strong capabilities in robotic manipulation. However, their core process of action tokenization often involves a trade-off between reconstruction fidelity and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Yicheng Liu , Shiduo Zhang , Zibin Dong , Baijun Ye , Tianyuan Yuan , Xiaopeng Yu , Linqi Yin , Chenhao Lu , Junhao Shi , Luca Jiang-Tao Yu , Liangtao Zheng , Tao Jiang , Jingjing Gong , Xipeng Qiu , Hang Zhao

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

Vision-language-action (VLA) models achieve strong in-distribution performance but degrade sharply under novel camera viewpoints and visual perturbations. We show that this brittleness primarily arises from misalignment in Spatial Modeling,…

Robotics · Computer Science 2026-04-01 Weiqi Li , Quande Zhang , Ruifeng Zhai , Liang Lin , Guangrun Wang

Vision-language-action (VLA) models finetuned from vision-language models (VLMs) hold the promise of leveraging rich pretrained representations to build generalist robots across diverse tasks and environments. However, direct fine-tuning on…

Robotics · Computer Science 2025-09-18 Shresth Grover , Akshay Gopalkrishnan , Bo Ai , Henrik I. Christensen , Hao Su , Xuanlin Li

Recent world-model-based Vision-Language-Action (VLA) architectures have improved robotic manipulation through predictive visual foresight. However, dense future prediction introduces visual redundancy and accumulates errors, causing…

Robotics · Computer Science 2026-03-16 Minghao Jin , Mozheng Liao , Mingfei Han , Zhihui Li , Xiaojun Chang

Vision-Language-Action (VLA) models have gained much attention from the research community thanks to their strength in translating multimodal observations with linguistic instructions into robotic actions. Despite their recent advancements,…

Robotics · Computer Science 2025-05-27 Tuan Van Vo , Tan Quang Nguyen , Khang Minh Nguyen , Duy Ho Minh Nguyen , Minh Nhat Vu

Vision-Language-Action (VLA) models have advanced general-purpose robotic manipulation by leveraging pretrained visual and linguistic representations. However, they struggle with contact-rich tasks that require fine-grained control…

Robotic laboratories play a critical role in autonomous scientific discovery by enabling scalable, continuous experimental execution. Recent vision-language-action (VLA) models offer a promising foundation for robotic laboratories. However,…

Robotics · Computer Science 2026-02-11 Yiwen Pang , Bo Zhou , Changjin Li , Xuanhao Wang , Shengxiang Xu , Deng-Bao Wang , Min-Ling Zhang , Shimin Di

Recent high-capacity vision-language-action (VLA) models have demonstrated impressive performance on a range of robotic manipulation tasks by imitating human demonstrations. However, exploiting offline data with limited visited states will…

Robotics · Computer Science 2025-05-27 Guanxing Lu , Wenkai Guo , Chubin Zhang , Yuheng Zhou , Haonan Jiang , Zifeng Gao , Yansong Tang , Ziwei Wang

Vision-Language-Action (VLA) models have emerged as a promising paradigm for general-purpose robotic manipulation, leveraging large-scale pre-training to achieve strong performance. The field has rapidly evolved with additional spatial…

Robotics · Computer Science 2026-02-23 Yuankai Luo , Woping Chen , Tong Liang , Baiqiao Wang , Zhenguo Li

Recently in robotics, Vision-Language-Action (VLA) models have emerged as a transformative approach, enabling robots to execute complex tasks by integrating visual and linguistic inputs within an end-to-end learning framework. Despite their…

Learning to manipulate objects efficiently, particularly those involving sustained contact (e.g., pushing, sliding) and articulated parts (e.g., drawers, doors), presents significant challenges. Traditional methods, such as robot-centric…

Robotics · Computer Science 2025-03-18 Shijie Fang , Wenchang Gao , Shivam Goel , Christopher Thierauf , Matthias Scheutz , Jivko Sinapov

Vision-Language-Action (VLA) models are increasingly expected to not only complete robot tasks, but also follow human instructions about how those tasks should be executed. However, existing robot datasets usually pair trajectories with…

Vision-Language-Action (VLA) models are emerging as a promising paradigm for end-to-end autonomous driving, valued for their potential to leverage world knowledge and reason about complex driving scenes. However, existing methods suffer…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Xinyang Wang , Qian Liu , Wenjie Ding , Zhao Yang , Wei Li , Chang Liu , Bailin Li , Kun Zhan , Xianpeng Lang , Wei Chen

Vision-Language-Action (VLA) models offer a promising path to generalist robot control, but their inference latency causes observation staleness when generated actions are executed asynchronously. Several methods have been proposed…

Robotics · Computer Science 2026-05-12 Ayoub Agouzoul

Standard vision-language-action (VLA) models rely on fitting statistical data priors, limiting their robust understanding of underlying physical dynamics. Reinforcement learning enhances physical grounding through exploration yet typically…

Robotics · Computer Science 2026-02-26 Chenyv Liu , Wentao Tan , Lei Zhu , Fengling Li , Jingjing Li , Guoli Yang , Heng Tao Shen

A generalist robot should perform effectively across various environments. However, most existing approaches heavily rely on scaling action-annotated data to enhance their capabilities. Consequently, they are often limited to single…

Robotics · Computer Science 2025-11-04 Qingwen Bu , Yanting Yang , Jisong Cai , Shenyuan Gao , Guanghui Ren , Maoqing Yao , Ping Luo , Hongyang Li

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 provide a promising paradigm for robot learning by integrating visual perception with language-guided policy learning. However, most existing approaches rely on 2D visual inputs to perform actions in 3D…

Robotics · Computer Science 2025-12-16 Yicheng Feng , Wanpeng Zhang , Ye Wang , Hao Luo , Haoqi Yuan , Sipeng Zheng , Zongqing Lu

The advancement of large Vision-Language-Action (VLA) models has significantly improved robotic manipulation in terms of language-guided task execution and generalization to unseen scenarios. While existing VLAs adapted from pretrained…