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Vision-Language-Action (VLA) models built upon Chain-of-Thought (CoT) have achieved remarkable success in advancing general-purpose robotic agents, owing to its significant perceptual comprehension. Recently, since text-only CoT struggles…

Robotics · Computer Science 2026-01-30 Xiangkai Ma , Lekai Xing , Han Zhang , Wenzhong Li , Sanglu Lu

The ability to efficiently and reliably learn new tasks has been a foundational challenge in robotics. Vision-Language-Action (VLA) models have demonstrated strong generalization across diverse manipulation tasks, yet pretrained policies…

Robotics · Computer Science 2026-05-26 Perry Dong , Kuo-Han Hung , Tian Gao , Dorsa Sadigh , Chelsea Finn

Pretrained on large-scale and diverse datasets, VLA models demonstrate strong generalization and adaptability as general-purpose robotic policies. However, Supervised Fine-Tuning (SFT), which serves as the primary mechanism for adapting…

Robotics · Computer Science 2026-05-19 Yuan Liu , Haoran Li , Shuai Tian , Yuxing Qin , Yuhui Chen , Yupeng Zheng , Yongzhen Huang , Dongbin Zhao

Diffusion-based vision-language-action models (dVLAs) are promising for embodied intelligence but are fundamentally limited in real-time deployment by the high latency of full inference. We propose Realtime-VLA FLASH, a speculative…

Robotics · Computer Science 2026-05-14 Jiahui Niu , Kefan Gu , Yucheng Zhao , Shengwen Liang , Tiancai Wang , Xing Hu , Ying Wang , Huawei Li

Improving embodied reasoning in multimodal-large-language models (MLLMs) is essential for building vision-language-action models (VLAs) on top of them to readily translate multimodal understanding into low-level actions. Accordingly, recent…

Artificial Intelligence · Computer Science 2026-03-24 Dongyoung Kim , Sumin Park , Woomin Song , Seungku Kim , Taeyoung Kim , Huiwon Jang , Jinwoo Shin , Jaehyung Kim , Younggyo Seo

Robotic systems are increasingly employed for industrial automation, with contact-rich tasks like polishing requiring dexterity and compliant behaviour. These tasks are difficult to model, making classical control challenging. Deep…

Robotics · Computer Science 2025-06-03 Emma Cramer , Lukas Jäschke , Sebastian Trimpe

Contact-rich manipulation tasks are commonly found in modern manufacturing settings. However, manually designing a robot controller is considered hard for traditional control methods as the controller requires an effective combination of…

Robotics · Computer Science 2020-10-27 Yunlei Shi , Zhaopeng Chen , Hongxu Liu , Sebastian Riedel , Chunhui Gao , Qian Feng , Jun Deng , Jianwei Zhang

Model Predictive Control (MPC) is a powerful control technique that handles constraints, takes the system's dynamics into account, and optimizes for a given cost function. In practice, however, it often requires an expert to craft and tune…

Robotics · Computer Science 2020-04-21 Napat Karnchanachari , Miguel I. Valls , David Hoeller , Marco Hutter

Recent Vision-Language-Action (VLA) models for autonomous driving explore inference-time reasoning as a way to improve driving performance and safety in challenging scenarios. Most prior work uses natural language to express…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Shuhan Tan , Kashyap Chitta , Yuxiao Chen , Ran Tian , Yurong You , Yan Wang , Wenjie Luo , Yulong Cao , Philipp Krahenbuhl , Marco Pavone , Boris Ivanovic

Reinforcement learning (RL) can enable task-oriented dialogue systems to steer the conversation towards successful task completion. In an end-to-end setting, a response can be constructed in a word-level sequential decision making process…

Computation and Language · Computer Science 2020-11-19 Nurul Lubis , Christian Geishauser , Michael Heck , Hsien-chin Lin , Marco Moresi , Carel van Niekerk , Milica Gašić

Many Vision-Language-Action (VLA) models flatten image patches into a 1D token sequence, weakening the 2D spatial cues needed for precise manipulation. We introduce IVRA, a lightweight, training-free method that improves spatial…

Robotics · Computer Science 2026-01-23 Jongwoo Park , Kanchana Ranasinghe , Jinhyeok Jang , Cristina Mata , Yoo Sung Jang , Michael S Ryoo

Offline reinforcement learning (RL) enables learning control policies by utilizing only prior experience, without any online interaction. This can allow robots to acquire generalizable skills from large and diverse datasets, without any…

Machine Learning · Computer Science 2021-09-24 Aviral Kumar , Anikait Singh , Stephen Tian , Chelsea Finn , Sergey Levine

Can we turn a video prediction model into a robot policy? Videos, including those of humans or teleoperated robots, capture rich physical interactions. However, most of them lack labeled actions, which limits their use in robot learning. We…

Robotics · Computer Science 2026-03-31 Sandeep Routray , Hengkai Pan , Unnat Jain , Shikhar Bahl , Deepak Pathak

Training-free perceptual image codec adopt pre-trained unconditional generative model during decoding to avoid training new conditional generative model. However, they heavily rely on diffusion inversion or sample communication, which take…

Image and Video Processing · Electrical Eng. & Systems 2025-06-23 Ziran Zhu , Tongda Xu , Minye Huang , Dailan He , Xingtong Ge , Xinjie Zhang , Ling Li , Yan Wang

Action chunking is a widely adopted approach in Learning from Demonstration (LfD). By modeling multi-step action chunks rather than single-step actions, action chunking significantly enhances modeling capabilities for human expert policies.…

Robotics · Computer Science 2025-11-07 Yueyang Weng , Xiaopeng Zhang , Yongjin Mu , Yingcong Zhu , Yanjie Li , Qi Liu

Recent advances have established a new machine learning paradigm based on scaling up compute at inference time as well as at training time. In that line of work, a combination of Supervised Fine-Tuning (SFT) on synthetic demonstrations and…

Machine Learning · Computer Science 2025-07-08 Corrado Rainone , Tim Bakker , Roland Memisevic

Realtime environments change even as agents perform action inference and learning, thus requiring high interaction frequencies to effectively minimize regret. However, recent advances in machine learning involve larger neural networks with…

Machine Learning · Computer Science 2024-12-20 Matthew Riemer , Gopeshh Subbaraj , Glen Berseth , Irina Rish

We adapt a pre-trained Vision-Language-Action (VLA) model (Open-VLA) for dexterous human-robot collaboration with minimal language prompting. Our approach adds (i) FiLM conditioning to visual backbones for task-aware perception, (ii) an…

Robotics · Computer Science 2025-10-30 Boshi An , Chenyu Yang , Robert Katzschmann

The static ``train then deploy" paradigm fundamentally limits Large Language Models (LLMs) from dynamically adapting their weights in response to continuous streams of new information inherent in real-world tasks. Test-Time Training (TTT)…

Machine Learning · Computer Science 2026-04-08 Guhao Feng , Shengjie Luo , Kai Hua , Ge Zhang , Di He , Wenhao Huang , Tianle Cai

While vision-language models have advanced significantly, their application in language-conditioned robotic manipulation is still underexplored, especially for contact-rich tasks that extend beyond visually dominant pick-and-place…

Robotics · Computer Science 2025-05-15 Chaofan Zhang , Peng Hao , Xiaoge Cao , Xiaoshuai Hao , Shaowei Cui , Shuo Wang