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Unified video and action prediction models hold great potential for robotic manipulation, as future observations offer contextual cues for planning, while actions reveal how interactions shape the environment. However, most existing…

Robotics · Computer Science 2025-12-08 Yijie Zhu , Rui Shao , Ziyang Liu , Jie He , Jizhihui Liu , Jiuru Wang , Zitong Yu

Effective agent coordination is crucial in cooperative Multi-Agent Reinforcement Learning (MARL). While agent cooperation can be represented by graph structures, prevailing graph learning methods in MARL are limited. They rely solely on…

Machine Learning · Computer Science 2026-04-13 Wei Duan , Jie Lu , Junyu Xuan

Multi-agent reinforcement learning (MARL) is crucial for AI systems that operate collaboratively in distributed and adversarial settings, particularly in multi-domain operations (MDO). A central challenge in cooperative MARL is determining…

Machine Learning · Computer Science 2026-04-21 Nikunj Gupta , Rajgopal Kannan , Viktor Prasanna

Human action recognition (HAR) in videos is a fundamental research topic in computer vision. It consists mainly in understanding actions performed by humans based on a sequence of visual observations. In recent years, HAR have witnessed…

Computer Vision and Pattern Recognition · Computer Science 2020-10-30 Soufiane Lamghari , Guillaume-Alexandre Bilodeau , Nicolas Saunier

In this paper, we propose capturing and utilizing \textit{Temporal Information through Graph-based Embeddings and Representations} or \textbf{TIGER} to enhance multi-agent reinforcement learning (MARL). We explicitly model how inter-agent…

Machine Learning · Computer Science 2025-11-13 Nikunj Gupta , Ludwika Twardecka , James Zachary Hare , Jesse Milzman , Rajgopal Kannan , Viktor Prasanna

While a multi-agent approach based on large language models (LLMs) represents a promising strategy to surpass the capabilities of single models, its success is critically dependent on synergistic team composition. However, forming optimal…

Computation and Language · Computer Science 2026-03-20 Kotaro Furuya , Yuichi Kitagawa

How humans understand and recognize the actions of others is a complex neuroscientific problem that involves a combination of cognitive mechanisms and neural networks. Research has shown that humans have brain areas that recognize actions…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Haojun Xu , Yan Gao , Zheng Hui , Jie Li , Xinbo Gao

Panoramic Activity Recognition (PAR) seeks to identify diverse human activities across different scales, from individual actions to social group and global activities in crowded panoramic scenes. PAR presents two major challenges: 1)…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Sumin Lee , Yooseung Wang , Sangmin Woo , Changick Kim

Human capabilities in understanding visual relations are far superior to those of AI systems, especially for previously unseen objects. For example, while AI systems struggle to determine whether two such objects are visually the same or…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Oleh Kolner , Thomas Ortner , Stanisław Woźniak , Angeliki Pantazi

Hands are dexterous and highly versatile manipulators that are central to how humans interact with objects and their environment. Consequently, modeling realistic hand-object interactions, including the subtle motion of individual fingers,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Omid Taheri , Yi Zhou , Dimitrios Tzionas , Yang Zhou , Duygu Ceylan , Soren Pirk , Michael J. Black

This work addresses the problem of Social Activity Recognition (SAR), a critical component in real-world tasks like surveillance and assistive robotics. Unlike traditional event understanding approaches, SAR necessitates modeling individual…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Shubham Trehan , Sathyanarayanan N. Aakur

We present a method to animate a character incorporating multiple part-wise motion priors (PMP). While previous works allow creating realistic articulated motions from reference data, the range of motion is largely limited by the available…

Graphics · Computer Science 2023-05-08 Jinseok Bae , Jungdam Won , Donggeun Lim , Cheol-Hui Min , Young Min Kim

Human activities recognition is an important task for an intelligent robot, especially in the field of human-robot collaboration, it requires not only the label of sub-activities but also the temporal structure of the activity. In order to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Hao Xing , Darius Burschka

Multi-agent adversarial inverse reinforcement learning (MA-AIRL) is a recent approach that applies single-agent AIRL to multi-agent problems where we seek to recover both policies for our agents and reward functions that promote expert-like…

Multiagent Systems · Computer Science 2020-02-26 Wonseok Jeon , Paul Barde , Derek Nowrouzezahrai , Joelle Pineau

Multi-agent systems (MAS) have shown great potential in executing complex tasks, but coordination and safety remain significant challenges. Multi-Agent Reinforcement Learning (MARL) offers a promising framework for agent collaboration, but…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Ziqi Jia , Junjie Li , Xiaoyang Qu , Jianzong Wang

Recently, deep learning models have been widely spread in the industrial recommender systems and boosted the recommendation quality. Though having achieved remarkable success, the design of task-aware recommender systems usually requires…

Machine Learning · Computer Science 2022-06-15 Pengyu Zhao , Kecheng Xiao , Yuanxing Zhang , Kaigui Bian , Wei Yan

There are several real-world tasks that would benefit from applying multiagent reinforcement learning (MARL) algorithms, including the coordination among self-driving cars. The real world has challenging conditions for multiagent learning…

Multiagent Systems · Computer Science 2020-02-19 Rose E. Wang , Michael Everett , Jonathan P. How

In standard Reinforcement Learning (RL) settings, the interaction between the agent and the environment is typically modeled as a Markov Decision Process (MDP), which assumes that the agent observes the system state instantaneously, selects…

Machine Learning · Computer Science 2025-06-18 John Wikman , Alexandre Proutiere , David Broman

Graph convolution networks (GCNs) have achieved remarkable performance in skeleton-based action recognition. However, previous GCN-based methods rely on elaborate human priors excessively and construct complex feature aggregation…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Shaojie Zhang , Jianqin Yin , Yonghao Dang , Jiajun Fu

In large-scale multi-agent systems, the large number of agents and complex game relationship cause great difficulty for policy learning. Therefore, simplifying the learning process is an important research issue. In many multi-agent…

Artificial Intelligence · Computer Science 2019-11-26 Yong Liu , Weixun Wang , Yujing Hu , Jianye Hao , Xingguo Chen , Yang Gao