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In this paper, we present DiffusionVLA, a novel framework that seamlessly combines the autoregression model with the diffusion model for learning visuomotor policy. Central to our approach is a next-token prediction objective, enabling the…

We propose a standalone autoregressive (AR) Action Expert that generates actions as a continuous causal sequence while conditioning on refreshable vision-language prefixes. In contrast to existing Vision-Language-Action (VLA) models and…

Autonomous Driving (AD) systems have made notable progress, but their performance in long-tail, safety-critical scenarios remains limited. These rare cases contribute a disproportionate number of accidents. Vision-Language Action (VLA)…

Robotics · Computer Science 2025-09-22 Shiyu Fang , Yiming Cui , Haoyang Liang , Chen Lv , Peng Hang , Jian Sun

Efficient trajectory planning in off-road terrains presents a formidable challenge for autonomous vehicles, often necessitating complex multi-step pipelines. However, traditional approaches exhibit limited adaptability in dynamic…

Robotics · Computer Science 2026-01-13 Liangdong Zhang , Yiming Nie , Haoyang Li , Fanjie Kong , Baobao Zhang , Shunxin Huang , Kai Fu , Chen Min , Liang Xiao

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

Vision-Language-Action (VLA) models have shown remarkable progress in embodied tasks recently, but most methods process visual observations independently at each timestep. This history-agnostic design treats robot manipulation as a Markov…

Machine Learning · Computer Science 2026-04-13 Lei Xiao , Jifeng Li , Juntao Gao , Feiyang Ye , Yan Jin , Jingjing Qian , Jing Zhang , Yong Wu , Xiaoyuan Yu

Vision-Language-Action (VLA) models have emerged as a promising paradigm for end-to-end autonomous driving. However, existing reasoning mechanisms still struggle to provide planning-oriented intermediate representations: textual…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Minqing Huang , Yujiao Xiang , Zihan Liang , Jiajie Huang , Jingqi Wang , Zhi Xu , Feiyang Tan , Hangning Zhou , Mu Yang , Gong Che

Vision-Language-Action (VLA) models improve action generation by conditioning policies on rich vision-language information. However, current auto-regressive policies are constrained by three bottlenecks: (1) architectural bias drives models…

Robotics · Computer Science 2026-03-31 Yichi Zhang , Weihao Yuan , Yizhuo Zhang , Xidong Zhang , Jia Wan

Current Vision-Language-Action (VLA) paradigms in autonomous driving primarily rely on Imitation Learning (IL), which introduces inherent challenges such as distribution shift and causal confusion. Online Reinforcement Learning offers a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Haoyu Fu , Diankun Zhang , Zongchuang Zhao , Jianfeng Cui , Hongwei Xie , Bing Wang , Guang Chen , Dingkang Liang , Xiang Bai

Vision-Language-Action (VLA) models have significantly advanced the capabilities of robotic agents in executing diverse tasks; however, they still face challenges in contact-rich manipulation scenarios that require precise physical…

Robotics · Computer Science 2026-05-19 Xiaoqi Li , Muhe Cai , Jiadong Xu , Juan Zhu , Hongwei Fan , Yan Shen , Guangrui Ren , Hao Dong

Vision-Language-Action (VLA) models are emerging as a next-generation paradigm for robotics. We introduce dVLA, a diffusion-based VLA that leverages a multimodal chain-of-thought to unify visual perception, language reasoning, and robotic…

Robotics · Computer Science 2025-10-01 Junjie Wen , Minjie Zhu , Jiaming Liu , Zhiyuan Liu , Yicun Yang , Linfeng Zhang , Shanghang Zhang , Yichen Zhu , Yi Xu

While large language models (LLMs) have advanced procedural planning for embodied AI systems through strong reasoning abilities, the integration of multimodal inputs and counterfactual reasoning remains underexplored. To tackle these…

Computation and Language · Computer Science 2025-07-14 Shibo Sun , Xue Li , Donglin Di , Mingjie Wei , Lanshun Nie , Wei-Nan Zhang , Dechen Zhan , Yang Song , Lei Fan

Current research on Vision-Language-Action (VLA) models predominantly focuses on enhancing generalization through established reasoning techniques. While effective, these improvements invariably increase computational complexity and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Riccardo Andrea Izzo , Gianluca Bardaro , Matteo Matteucci

Current end-to-end autonomous driving systems are fundamentally limited by a mismatch between temporal causal reasoning and global trajectory consistency. Autoregressive (AR) models capture interaction-aware temporal dependencies via causal…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Xiyang Wang , Xinlin Wang , Tingguang Zhou , Gong Chen , Xingtai Gui , Zhi Xu , Xiaolei Wu , Feiyang Tan , Hangning Zhou , Mu Yang

Recent advances in vision-language-action (VLA) models have shown promise in integrating image generation with action prediction to improve generalization and reasoning in robot manipulation. However, existing methods are limited to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Wenyao Zhang , Hongsi Liu , Zekun Qi , Yunnan Wang , Xinqiang Yu , Jiazhao Zhang , Runpei Dong , Jiawei He , Fan Lu , He Wang , Zhizheng Zhang , Li Yi , Wenjun Zeng , Xin Jin

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

Vision-Language-Action (VLA) models aim to control robots for manipulation from visual observations and natural-language instructions. However, existing hierarchical and autoregressive paradigms often introduce architectural overhead,…

Vision-language-action (VLA) reasoning tasks require agents to interpret multimodal instructions, perform long-horizon planning, and act adaptively in dynamic environments. Existing approaches typically train VLA models in an end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Chi-Pin Huang , Yueh-Hua Wu , Min-Hung Chen , Yu-Chiang Frank Wang , Fu-En Yang

Vision-Language-Action (VLA) models map visual observations and language instructions directly to robotic actions. While effective for simple tasks, standard VLA models often struggle with complex, multi-step tasks requiring logical…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Zhide Zhong , Junfeng Li , Junjie He , Haodong Yan , Xin Gong , Guanyi Zhao , Yingjie Cai , Jiantao Gao , Xu Yan , Bingbing Liu , Yingcong Chen , Liuqing Yang , Haoang Li

End-to-end autonomous driving models based on Vision-Language-Action (VLA) architectures have shown promising results by learning driving policies through behavior cloning on expert demonstrations. However, imitation learning inherently…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Zihao Sheng , Xin Ye , Jingru Luo , Sikai Chen , Liu Ren