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Vision-language-action (VLA) models show promising knowledge accumulation ability from pretraining, yet continual learning in VLA remains challenging, especially for efficient adaptation. Existing continual imitation learning (CIL) methods…

Robotics · Computer Science 2026-05-11 Yuxuan Wu , Guangming Wang , Zhiheng Yang , Tianchen Deng , Maoqing Yao , Brian Sheil , Hesheng Wang

Humans routinely rely on memory to perform tasks, yet most robot policies lack this capability; our goal is to endow robot policies with the same ability. Naively conditioning on long observation histories is computationally expensive and…

Robotics · Computer Science 2025-10-24 Ajay Sridhar , Jennifer Pan , Satvik Sharma , Chelsea Finn

Vision-Language-Action (VLA) models integrate visual perception, language understanding, and action decision-making for cross-modal semantic alignment, exhibiting broad application potential. However, the joint processing of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Chuhang Liu , Yayun He , Zuheng Kang , Xiaoyang Qu , Jianzong Wang

Large language models (LLMs) have demonstrated transformative capabilities across diverse artificial intelligence applications, yet their deployment is hindered by substantial memory and computational demands, especially in…

Hardware Architecture · Computer Science 2025-05-13 Feng Cheng , Cong Guo , Chiyue Wei , Junyao Zhang , Changchun Zhou , Edward Hanson , Jiaqi Zhang , Xiaoxiao Liu , Hai "Helen" Li , Yiran Chen

Continual learning (CL) in vision-language models (VLMs) faces significant challenges in improving task adaptation and avoiding catastrophic forgetting. Existing methods usually have heavy inference burden or rely on external knowledge,…

Machine Learning · Computer Science 2026-02-02 Zhan Fa , Yue Duan , Jian Zhang , Lei Qi , Wanqi Yang , Yinghuan Shi

Vision-Language-Action (VLA) models excel in robotic manipulation but are constrained by their heavy reliance on expert demonstrations, leading to demonstration bias and limiting performance. Reinforcement learning (RL) is a vital…

Robotics · Computer Science 2025-12-02 Senyu Fei , Siyin Wang , Li Ji , Ao Li , Shiduo Zhang , Liming Liu , Jinlong Hou , Jingjing Gong , Xianzhong Zhao , Xipeng Qiu

Recent progress in Reinforcement Learning (RL) provides a principled approach to optimizing Vision-Language-Action (VLA) models, facilitating a shift from trajectory imitation to active learning in the task environment. Despite improvements…

Robotics · Computer Science 2026-05-19 Sixu Lin , Yunpeng Qing , Litao Liu , Ming Zhou , Ruixing Jin , Xiaoyi Fan , Guiliang Liu

Vision-language-action (VLA) models provide a promising foundation for general-purpose robotics. However, their successful deployment in real-world scenarios requires the ability to continually acquire new skills while retaining previously…

Robotics · Computer Science 2026-05-27 Jiarun Zhu , Yijun Hong , Xiaoquan Sun , Zetian Xu , Mingqi Yuan , Zhiyong Wang , Wenjun Zeng , Jiayu Chen

Reinforcement learning (RL) is a critical stage in post-training large language models (LLMs), involving repeated interaction between rollout generation, reward evaluation, and centralized learning. Distributing rollout execution offers…

We present VLH, a novel Visual-Language-Haptic Foundation Model that unifies perception, language, and tactile feedback in aerial robotics and virtual reality. Unlike prior work that treats haptics as a secondary, reactive channel, VLH…

Transformer-based large language models (LLM) have been widely used in language processing applications. However, due to the memory constraints of the devices, most of them restrict the context window. Even though recurrent models in…

Computation and Language · Computer Science 2025-02-07 Zifan He , Yingqi Cao , Zongyue Qin , Neha Prakriya , Yizhou Sun , Jason Cong

Complex reasoning in tool-augmented agent frameworks is inherently long-horizon, causing reasoning traces and transient tool artifacts to accumulate and strain the bounded working context of large language models. Without explicit memory…

Artificial Intelligence · Computer Science 2026-01-14 Hongjin Qian , Zhao Cao , Zheng Liu

Large Language Models (LLMs) exhibit remarkable capabilities in the hierarchical decomposition of complex tasks through semantic reasoning. However, their application in embodied systems faces challenges in ensuring reliable execution of…

Robotics · Computer Science 2025-03-04 Mingcong Lei , Ge Wang , Yiming Zhao , Zhixin Mai , Qing Zhao , Yao Guo , Zhen Li , Shuguang Cui , Yatong Han , Jinke Ren

Deep neural networks are susceptible to catastrophic forgetting when trained on sequential tasks. Various continual learning (CL) methods often rely on exemplar buffers or/and network expansion for balancing model stability and plasticity,…

Machine Learning · Computer Science 2024-01-18 Depeng Li , Tianqi Wang , Junwei Chen , Qining Ren , Kenji Kawaguchi , Zhigang Zeng

Vision-language-action (VLA) models hold promise as generalist robotics solutions by translating visual and linguistic inputs into robot actions, yet they lack reliability due to their black-box nature and sensitivity to environmental…

Robotics · Computer Science 2025-02-10 Hong Lu , Hengxu Li , Prithviraj Singh Shahani , Stephanie Herbers , Matthias Scheutz

Vision large language models (VLLMs) are focusing primarily on handling complex and fine-grained visual information by incorporating advanced vision encoders and scaling up visual models. However, these approaches face high training and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Yuqi Pang , Bowen Yang , Yun Cao , Rong Fan , Xiaoyu Li , Chen He

Autonomous LLM agents increasingly operate in long-horizon, interactive settings where success depends on reusing experience accumulated over extended histories. However, existing agent memory systems are fundamentally constrained by…

Computation and Language · Computer Science 2026-04-30 Jinze Li , Yang Zhang , Xin Yang , Jiayi Qu , Jinfeng Xu , Shuo Yang , Junhua Ding , Edith Cheuk-Han Ngai

Reinforcement learning agents often forget details of the past, especially after delays or distractor tasks. Agents with common memory architectures struggle to recall and integrate across multiple timesteps of a past event, or even to…

Machine Learning · Computer Science 2021-12-09 Andrew Kyle Lampinen , Stephanie C. Y. Chan , Andrea Banino , Felix Hill

Reducing the key-value (KV) cache size is a crucial step toward enabling efficient inference in large language models (LLMs), especially under latency and memory constraints. While Multi-Head Attention (MHA) offers strong representational…

Computation and Language · Computer Science 2025-09-23 Zhengge Cai , Haowen Hou

To enable embodied agents to operate effectively over extended timeframes, it is crucial to develop models that form and access memories to stay contextualized in their environment. In the current paradigm of training transformer-based…

Artificial Intelligence · Computer Science 2025-12-01 Gunshi Gupta , Karmesh Yadav , Zsolt Kira , Yarin Gal , Rahaf Aljundi