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The emergence of vision-language-action (VLA) models has given rise to foundation models for robot manipulation. Although these models have achieved significant improvements, their generalization in multi-task manipulation remains limited.…

In modern ML Ops environments, model deployment is a critical process that traditionally relies on static heuristics such as validation error comparisons and A/B testing. However, these methods require human intervention to adapt to…

Machine Learning · Computer Science 2025-03-31 S. Aaron McClendon , Vishaal Venkatesh , Juan Morinelli

Multi-robot systems can benefit from reinforcement learning (RL) algorithms that learn behaviours in a small number of trials, a property known as sample efficiency. This research thus investigates the use of learned world models to improve…

Robotics · Computer Science 2021-03-08 Daniël Willemsen , Mario Coppola , Guido C. H. E. de Croon

Reinforcement Learning (RL) applications in real-world scenarios must prioritize safety and reliability, which impose strict constraints on agent behavior. Model-based RL leverages predictive world models for action planning and policy…

Artificial Intelligence · Computer Science 2025-06-06 Artem Latyshev , Gregory Gorbov , Aleksandr I. Panov

While large vision-language-action (VLA) models and generative world models (WM) have advanced long-horizon embodied intelligence, their practical deployment remains challenged by uncertainty in learning-based action generation. Low-quality…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Zhen Sun , Yongjian Guo , Haoran Sun , Luqiao Wang , Wei Lu , Jiachi Ji , Shengzhe Ji , Junwu Xiong , Zhijun Meng

The ability to plan into the future while utilizing only raw high-dimensional observations, such as images, can provide autonomous agents with broad capabilities. Visual model-based reinforcement learning (RL) methods that plan future…

Machine Learning · Computer Science 2021-08-10 Oleh Rybkin , Chuning Zhu , Anusha Nagabandi , Kostas Daniilidis , Igor Mordatch , Sergey Levine

Poor sample efficiency continues to be the primary challenge for deployment of deep Reinforcement Learning (RL) algorithms for real-world applications, and in particular for visuo-motor control. Model-based RL has the potential to be highly…

Machine Learning · Computer Science 2022-12-13 Nicklas Hansen , Yixin Lin , Hao Su , Xiaolong Wang , Vikash Kumar , Aravind Rajeswaran

Model-based reinforcement learning approaches carry the promise of being data efficient. However, due to challenges in learning dynamics models that sufficiently match the real-world dynamics, they struggle to achieve the same asymptotic…

Machine Learning · Computer Science 2018-09-17 Ignasi Clavera , Jonas Rothfuss , John Schulman , Yasuhiro Fujita , Tamim Asfour , Pieter Abbeel

Recent research looks to harness the general knowledge and reasoning of large language models (LLMs) into agents that accomplish user-specified goals in interactive environments. Vision-language models (VLMs) extend LLMs to multi-modal data…

Machine Learning · Computer Science 2025-05-07 Jake Grigsby , Yuke Zhu , Michael Ryoo , Juan Carlos Niebles

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

Designing dense reward functions is pivotal for efficient robotic Reinforcement Learning (RL). However, most dense rewards rely on manual engineering, which fundamentally limits the scalability and automation of reinforcement learning.…

Robotics · Computer Science 2026-05-08 Xunlan Zhou , Xuanlin Chen , Shaowei Zhang , ShengHua Wan , Xiaohai Hu , Lei Yuan , De-chuan Zhan

Integrating visual-language instructions into visuomotor policies is gaining momentum in robot learning for enhancing open-world generalization. Despite promising advances, existing approaches face two challenges: limited language…

Robotics · Computer Science 2025-10-24 Wenhui Huang , Changhe Chen , Han Qi , Chen Lv , Yilun Du , Heng Yang

Reinforcement learning (RL) is a powerful approach for robot learning. However, model-free RL (MFRL) requires a large number of environment interactions to learn successful control policies. This is due to the noisy RL training updates and…

Robotics · Computer Science 2025-02-28 Maria Krinner , Elie Aljalbout , Angel Romero , Davide Scaramuzza

Despite tremendous recent advances in large model reasoning ability, vision-language models (VLMs) still struggle with detailed visual reasoning, especially when compute resources are limited. To address this challenge, we draw inspiration…

Machine Learning · Computer Science 2025-08-06 Sunil Kumar , Bowen Zhao , Leo Dirac , Paulina Varshavskaya

Model-based reinforcement learning (RL) can be effectively supported at scale through the use of world models. However, in practice, scaling such approaches remains fundamentally limited. A commonly recognized challenge is model bias and…

Machine Learning · Computer Science 2026-05-27 Xiaoyuan Cheng , Wenxuan Yuan , Zhancun Mu , Yuanzhao Zhang , Yiming Yang , Hai Wang , Zhuo Sun , Che Liu

Large Vision-Language Models (LVLMs) or multimodal large language models represent a significant advancement in artificial intelligence, enabling systems to understand and generate content across both visual and textual modalities. While…

Machine Learning · Computer Science 2025-09-09 Thanh Thi Nguyen , Campbell Wilson , Janis Dalins

Vision-language models are increasingly employed as multimodal conversational agents (MCAs) for diverse conversational tasks. Recently, reinforcement learning (RL) has been widely explored for adapting MCAs to various human-AI interaction…

Computation and Language · Computer Science 2026-04-14 Yongqi Li , Hao Lang , Tieyun Qian , Yongbin Li

Vision-language models (VLMs) have tremendous potential for grounding language, and thus enabling language-conditioned agents (LCAs) to perform diverse tasks specified with text. This has motivated the study of LCAs based on reinforcement…

Artificial Intelligence · Computer Science 2024-11-27 Theo Cachet , Christopher R. Dance , Olivier Sigaud

Humans act with context and intention, with reasoning playing a central role. While internet-scale data has enabled broad reasoning capabilities in AI systems, grounding these abilities in physical action remains a major challenge. We…

Robotics · Computer Science 2025-12-11 Peijun Tang , Shangjin Xie , Binyan Sun , Baifu Huang , Kuncheng Luo , Haotian Yang , Weiqi Jin , Jianan Wang

Vision-Language-Action models (VLAs) represent a significant frontier in embodied intelligence, aiming to bridge digital knowledge with physical-world interaction. Despite their remarkable performance, foundational VLAs are hindered by the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Zhaoshu Yu , Bo Wang , Pengpeng Zeng , Haonan Zhang , Ji Zhang , Zheng Wang , Lianli Gao , Jingkuan Song , Nicu Sebe , Heng Tao Shen