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Vision-Language-Action (VLA) models have recently shown strong decision-making capabilities in autonomous driving. However, existing VLAs often struggle with achieving efficient inference and generalizing to novel autonomous vehicle…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Dapeng Zhang , Zhenlong Yuan , Zhangquan Chen , Chih-Ting Liao , Yinda Chen , Fei Shen , Qingguo Zhou , Tat-Seng Chua

Vision-Language-Action (VLA) models have demonstrated remarkable capabilities and generalization in embodied manipulation. However, their decision-making relies on a fast, instinctive process that lacks deliberation. This strategy often…

Robotics · Computer Science 2026-05-29 Wenhao Li , Xiu Su , Yichao Cao , Hongyan Xu , Xiaobo Xia , Shan You , Yi Chen , Chang Xu

We introduce a lifelong imitation learning framework that enables continual policy refinement across sequential tasks under realistic memory and data constraints. Our approach departs from conventional experience replay by operating…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Fanqi Yu , Matteo Tiezzi , Tommaso Apicella , Cigdem Beyan , Vittorio Murino

Visual-Language-Action (VLA) models have demonstrated strong cross-scenario generalization capabilities in various robotic tasks through large-scale pre-training and task-specific fine-tuning. However, their training paradigm mainly relies…

Robotics · Computer Science 2025-09-30 Zengjue Chen , Runliang Niu , He Kong , Qi Wang , Qianli Xing , Zipei Fan

Retrieval-Augmented Generation (RAG), while serving as a viable complement to large language models (LLMs), often overlooks the crucial aspect of text chunking within its pipeline. This paper initially introduces a dual-metric evaluation…

Computation and Language · Computer Science 2025-05-27 Jihao Zhao , Zhiyuan Ji , Zhaoxin Fan , Hanyu Wang , Simin Niu , Bo Tang , Feiyu Xiong , Zhiyu Li

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 substantial potential in real-world robotic manipulation. However, fine-tuning these models through supervised learning struggles to achieve robust performance due to limited, inconsistent…

Robotics · Computer Science 2025-04-15 Yuhui Chen , Shuai Tian , Shugao Liu , Yingting Zhou , Haoran Li , Dongbin Zhao

While numerous methods achieving remarkable performance exist in the Object Detection literature, addressing data distribution shifts remains challenging. Continual Learning (CL) offers solutions to this issue, enabling models to adapt to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Francesco Pasti , Marina Ceccon , Davide Dalle Pezze , Francesco Paissan , Elisabetta Farella , Gian Antonio Susto , Nicola Bellotto

Deep reinforcement learning can generate complex control policies, but requires large amounts of training data to work effectively. Recent work has attempted to address this issue by leveraging differentiable simulators. However, inherent…

Machine Learning · Computer Science 2022-04-15 Jie Xu , Viktor Makoviychuk , Yashraj Narang , Fabio Ramos , Wojciech Matusik , Animesh Garg , Miles Macklin

Vision-Language-Action (VLA) models offer a promising autonomous driving paradigm for leveraging world knowledge and reasoning capabilities, especially in long-tail scenarios. However, existing VLA models often struggle with the high…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Zewei Zhou , Ruining Yang , Xuewei , Qi , Yiluan Guo , Sherry X. Chen , Tao Feng , Kateryna Pistunova , Yishan Shen , Lili Su , Jiaqi Ma

Vision-Language-Action (VLA) policies excel in aligning language, perception, and robot control. However, most VLAs are trained purely by imitation, which overfits to demonstrations, and is brittle under distribution shift. Reinforcement…

Robotics · Computer Science 2025-11-26 Jiahui Zhang , Ze Huang , Chun Gu , Zipei Ma , Li Zhang

Real-time execution is essential for cyber-physical systems such as robots. These systems operate in dynamic real-world environments where even small delays can undermine responsiveness and compromise performance. Asynchronous inference has…

Robotics · Computer Science 2026-01-29 Haoxuan Wang , Gengyu Zhang , Yan Yan , Yuzhang Shang , Ramana Rao Kompella , Gaowen Liu

Continual learning (CL) is a new online learning technique over sequentially generated streaming data from different tasks, aiming to maintain a small forgetting loss on previously-learned tasks. Existing work focuses on reducing the…

Machine Learning · Computer Science 2024-12-25 Shugang Hao , Lingjie Duan

Billion-parameter Vision-Language-Action (VLA) policies have recently shown impressive performance in robotic manipulation, yet their size and inference cost remain major obstacles for real-time closed-loop control. We introduce…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Jin Shi , Brady Zhang , Yishun Lu

Continual Visual Instruction Tuning (CVIT) enables Multimodal Large Language Models to incrementally acquire new abilities. However, existing CVIT methods operate under a restrictive task-incremental setting, where each training phase…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Chang Che , Ziqi Wang , Hui Ma , Cheems Wang , Zenglin Shi

Recently, recurrent large language models (Recurrent LLMs) with linear computational complexity have re-emerged as efficient alternatives to self-attention-based LLMs (Self-Attention LLMs), which have quadratic complexity. However,…

Computation and Language · Computer Science 2025-07-28 Kai Liu , Zhan Su , Peijie Dong , Fengran Mo , Jianfei Gao , ShaoTing Zhang , Kai Chen

The goal of this paper is to improve the performance and reliability of vision-language-action (VLA) models through iterative online interaction. Since collecting policy rollouts in the real world is expensive, we investigate whether a…

Robotics · Computer Science 2026-02-17 Yanjiang Guo , Tony Lee , Lucy Xiaoyang Shi , Jianyu Chen , Percy Liang , Chelsea Finn

We propose Flow-Anchored Noise-conditioned Q-Learning (FAN), a highly efficient and high-performing offline reinforcement learning (RL) algorithm. Recent work has shown that expressive flow policies and distributional critics improve…

Machine Learning · Computer Science 2026-05-29 Sungyoung Lee , Dohyeong Kim , Eshan Balachandar , Zelal Su Mustafaoglu , Keshav Pingali

Outcome-driven reinforcement learning has advanced reasoning in large language models (LLMs), but prevailing tool-augmented approaches train a single, monolithic policy that interleaves thoughts and tool calls under full context; this…

Artificial Intelligence · Computer Science 2025-10-08 Zhuofeng Li , Haoxiang Zhang , Seungju Han , Sheng Liu , Jianwen Xie , Yu Zhang , Yejin Choi , James Zou , Pan Lu

Vision-Language-Action (VLA) models have shown promise in robot manipulation but often struggle to generalize to new instructions or complex multi-task scenarios. We identify a critical pathology in current training paradigms where…

Artificial Intelligence · Computer Science 2026-05-14 Shijie Lian , Bin Yu , Xiaopeng Lin , Laurence T. Yang , Zhaolong Shen , Changti Wu , Yuzhuo Miao , Cong Huang , Kai Chen