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In cooperative training, humans within a team coordinate on complex tasks, building mental models of their teammates and learning to adapt to teammates' actions in real-time. To reduce the often prohibitive scheduling constraints associated…

In video surveillance applications, person search is a challenging task consisting in detecting people and extracting features from their silhouette for re-identification (re-ID) purpose. We propose a new end-to-end model that jointly…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Angelique Loesch , Jaonary Rabarisoa , Romaric Audigier

In this paper we address the problem of motion event detection in athlete recordings from individual sports. In contrast to recent end-to-end approaches, we propose to use 2D human pose sequences as an intermediate representation that…

Computer Vision and Pattern Recognition · Computer Science 2020-04-23 Moritz Einfalt , Rainer Lienhart

The deployment of reinforcement learning (RL) in the real world comes with challenges in calibrating user trust and expectations. As a step toward developing RL systems that are able to communicate their competencies, we present a method of…

Machine Learning · Computer Science 2020-11-19 Aastha Acharya , Rebecca Russell , Nisar R. Ahmed

Social robot navigation can be helpful in various contexts of daily life but requires safe human-robot interactions and efficient trajectory planning. While modeling pairwise relations has been widely studied in multi-agent interacting…

Robotics · Computer Science 2024-11-13 Jiachen Li , Chuanbo Hua , Jianpeng Yao , Hengbo Ma , Jinkyoo Park , Victoria Dax , Mykel J. Kochenderfer

Many videos depict people, and it is their interactions that inform us of their activities, relation to one another and the cultural and social setting. With advances in human action recognition, researchers have begun to address the…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Alexandros Stergiou , Ronald Poppe

The focus of the action understanding literature has predominately been classification, how- ever, there are many applications demanding richer action understanding such as mobile robotics and video search, with solutions to classification,…

Computer Vision and Pattern Recognition · Computer Science 2014-10-23 Ran Xu , Gang Chen , Caiming Xiong , Wei Chen , Jason J. Corso

Multi-Person Tracking (MPT) is often addressed within the detection-to-association paradigm. In such approaches, human detections are first extracted in every frame and person trajectories are then recovered by a procedure of data…

Computer Vision and Pattern Recognition · Computer Science 2019-05-30 Hefeng Wu , Yafei Hu , Keze Wang , Hanhui Li , Lin Nie , Hui Cheng

To understand human behaviors, action recognition based on videos is a common approach. Compared with image-based action recognition, videos provide much more information. Reducing the ambiguity of actions and in the last decade, many works…

Computer Vision and Pattern Recognition · Computer Science 2022-06-03 Fei Wu , Qingzhong Wang , Jian Bian , Haoyi Xiong , Ning Ding , Feixiang Lu , Jun Cheng , Dejing Dou

In this paper, we investigate the suitability of state-of-the-art representation learning methods to the analysis of behavioral similarity of moving individuals, based on CDR trajectories. The core of the contribution is a novel…

Machine Learning · Computer Science 2020-09-14 Maria Luisa Damiani , Andrea Acquaviva , Fatima Hachem , Matteo Rossini

The strategic behaviour of pedestrians is largely determined by how they perceive and react to neighbouring people. This issue is addressed in this paper by a model which combines, in a time and space-dependent way, discrete and continuous…

Physics and Society · Physics 2016-06-23 Annachiara Colombi , Marco Scianna , Andrea Tosin

3D multi-person motion prediction is a highly complex task, primarily due to the dependencies on both individual past movements and the interactions between agents. Moreover, effectively modeling these interactions often incurs substantial…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Yuanhong Zheng , Ruixuan Yu , Jian Sun

We introduce the problem of detecting a group of students from classroom videos. The problem requires the detection of students from different angles and the separation of the group from other groups in long videos (one to one and a half…

Image and Video Processing · Electrical Eng. & Systems 2021-12-24 Wenjing Shi , Marios S. Pattichis , Sylvia Celedón-Pattichis , Carlos LópezLeiva

This paper proposes a novel problem: vision-based perception to learn and predict the collective dynamics of multi-agent systems, specifically focusing on interaction strength and convergence time. Multi-agent systems are defined as…

Multiagent Systems · Computer Science 2024-11-12 Minah Lee , Uday Kamal , Saibal Mukhopadhyay

The analysis of the collaborative learning process is one of the growing fields of education research, which has many different analytic solutions. In this paper, we provided a new solution to improve automated collaborative learning…

Human-Computer Interaction · Computer Science 2019-04-18 Zhang Guo , Kevin Yu , Rebecca Pearlman , Nassir Navab , Roghayeh Barmaki

This paper presents a novel approach to solve simultaneously the problems of human activity recognition and whole-body motion and dynamics prediction for real-time applications. Starting from the dynamics of human motion and motor system…

Robotics · Computer Science 2023-03-15 Kourosh Darvish , Serena Ivaldi , Daniele Pucci

The abundance of data affords researchers to pursue more powerful computational tools to learn the dynamics of complex system, such as neural networks, engineered systems and social networks. Traditional machine learning approaches capture…

Machine Learning · Computer Science 2024-05-16 Yan Shen , Fan Yang , Mingchen Gao , Wen Dong

Representing social systems as networks, starting from the interactions between individuals, sheds light on the mechanisms governing their dynamics. However, networks encode only pairwise interactions, while most social interactions occur…

Physics and Society · Physics 2024-08-29 Iacopo Iacopini , Márton Karsai , Alain Barrat

Effective exploration in reinforcement learning requires not only tracking where an agent has been, but also understanding how the agent perceives and represents the world. To learn powerful representations, an agent should actively explore…

Machine Learning · Computer Science 2026-04-21 Faisal Mohamed , Catherine Ji , Benjamin Eysenbach , Glen Berseth

Graphs arise naturally in many real-world applications including social networks, recommender systems, ontologies, biology, and computational finance. Traditionally, machine learning models for graphs have been mostly designed for static…

Machine Learning · Computer Science 2020-04-28 Seyed Mehran Kazemi , Rishab Goel , Kshitij Jain , Ivan Kobyzev , Akshay Sethi , Peter Forsyth , Pascal Poupart