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Co-manipulation requires multiple humans to synchronize their motions with a shared object while ensuring reasonable interactions, maintaining natural poses, and preserving stable states. However, most existing motion generation approaches…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Jiahao Xu , Xiaohan Yuan , Xingchen Wu , Chongyang Xu , Kun Li , Buzhen Huang

Offline safe reinforcement learning (RL) seeks reward-maximizing policies from static datasets under strict safety constraints. Existing methods often rely on soft expected-cost objectives or iterative generative inference, which can be…

Machine Learning · Computer Science 2026-03-17 Mumuksh Tayal , Manan Tayal , Ravi Prakash

Flow matching has become a leading framework for generative modeling, but quantifying the uncertainty of its samples remains an open problem. Existing approaches retrain the model with auxiliary variance heads, maintain costly ensembles, or…

Machine Learning · Computer Science 2026-05-22 Jiarui Xing , Song Wang , Jian Wang

Real world deployment of multi agent reinforcement learning MARL systems is fundamentally constrained by limited compute memory and inference time. While expert policies achieve high performance they rely on costly decision cycles and large…

Artificial Intelligence · Computer Science 2026-04-09 Monirul Islam Pavel , Siyi Hu , Muhammad Anwar Masum , Mahardhika Pratama , Ryszard Kowalczyk , Zehong Jimmy Cao

Model-based reinforcement learning (MBRL) typically relies on modeling environment dynamics for data efficiency. However, due to the accumulation of model errors over long-horizon rollouts, such methods often face challenges in maintaining…

Machine Learning · Computer Science 2026-01-06 Bin Wang , Boxiang Tao , Haifeng Jing , Hongbo Dou , Zijian Wang

Offline Multi-Agent Reinforcement Learning (MARL) is an emerging field that aims to learn optimal multi-agent policies from pre-collected datasets. Compared to single-agent case, multi-agent setting involves a large joint state-action space…

Artificial Intelligence · Computer Science 2024-12-19 Zongkai Liu , Qian Lin , Chao Yu , Xiawei Wu , Yile Liang , Donghui Li , Xuetao Ding

Multi-agent systems require effective coordination between groups and individuals to achieve common goals. However, current multi-agent reinforcement learning (MARL) methods primarily focus on improving individual policies and do not…

Multiagent Systems · Computer Science 2023-07-31 Jingqing Ruan , Xiaotian Hao , Dong Li , Hangyu Mao

Recent Vision-Language-Action (VLA) models built on pre-trained Vision-Language Models (VLMs) require extensive post-training, resulting in high computational overhead that limits scalability and deployment.We propose CogVLA, a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Wei Li , Renshan Zhang , Rui Shao , Jie He , Liqiang Nie

Offline reinforcement learning often relies on behavior regularization that enforces policies to remain close to the dataset distribution. However, such approaches fail to distinguish between high-value and low-value actions in their…

Generative modelling has seen significant advances through simulation-free paradigms such as Flow Matching, and in particular, the MeanFlow framework, which replaces instantaneous velocity fields with average velocities to enable efficient…

Machine Learning · Computer Science 2025-08-12 Yang Cao , Yubin Chen , Zhao Song , Jiahao Zhang

Vision-Language-Action (VLA) models have emerged as a unified paradigm for robotic perception and control, enabling emergent generalization and long-horizon task execution. However, their deployment in dynamic, real-world environments is…

Artificial Intelligence · Computer Science 2025-12-24 Yuntao Dai , Hang Gu , Teng Wang , Qianyu Cheng , Yifei Zheng , Zhiyong Qiu , Lei Gong , Wenqi Lou , Xuehai Zhou

Existing imitation learning methods enable robots to interact autonomously with the physical environment. However, contact-rich manipulation tasks remain a significant challenge due to complex contact dynamics that demand high-precision…

Centralized multimodal learning commonly compresses language, acoustic, and visual signals into a single fused representation for prediction. While effective, this paradigm suffers from two limitations: modality dominance, where…

Machine Learning · Computer Science 2026-05-12 Chunlei Meng , Pengbin Feng , Rong Fu , Hoi Leong Lee , Xiaojing Du , Zhaolu Kang , Zeyu Zhang , Weilin Zhou , Chun Ouyang , Zhongxue Gan

Generative models excel at synthesizing high-fidelity samples from complex data distributions, but they often violate hard constraints arising from physical laws or task specifications. A common remedy is to project intermediate samples…

Machine Learning · Computer Science 2025-09-30 Jinhao Liang , Yixuan Sun , Anirban Samaddar , Sandeep Madireddy , Ferdinando Fioretto

Connected and autonomous vehicles across land, water, and air must often operate in dynamic, unpredictable environments with limited communication, no centralized control, and partial observability. These real-world constraints pose…

Multiagent Systems · Computer Science 2025-11-18 Hung Du , Hy Nguyen , Srikanth Thudumu , Rajesh Vasa , Kon Mouzakis

Coflow is a recently proposed networking abstraction to help improve the communication performance of data-parallel computing jobs. In multi-stage jobs, each job consists of multiple coflows and is represented by a Directed Acyclic Graph…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-12-22 Xin Wang , Hong Shen

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

Generative Flow Networks (GFlowNets) aim to generate diverse trajectories from a distribution in which the final states of the trajectories are proportional to the reward, serving as a powerful alternative to reinforcement learning for…

Artificial Intelligence · Computer Science 2024-08-14 Shuang Luo , Yinchuan Li , Shunyu Liu , Xu Zhang , Yunfeng Shao , Chao Wu

In this paper, we address the problem of human trajectory forecasting, which aims to predict the inherently multi-modal future movements of humans based on their past trajectories and other contextual cues. We propose a novel motion…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Yuxiang Fu , Qi Yan , Lele Wang , Ke Li , Renjie Liao

Large language models (LLMs) are increasingly deployed as conversational tutors in STEM education, yet most systems still rely on a single LLM with a static retrieval-augmented generation (RAG) pipeline over course materials. This design…

Artificial Intelligence · Computer Science 2025-12-02 Yefeng Wu , Yuchen Song , Yecheng Zhao , Ling Wu , Shan Wan