Groupformer: Group activity recognition with clustered spatial-temporal transformer

S Li, Q Cao, L Liu, K Yang, S Liu… - Proceedings of the …, 2021 - openaccess.thecvf.com
Group activity recognition is a crucial yet challenging problem, whose core lies in fully
exploring spatial-temporal interactions among individuals and generating reasonable group …

Dual-AI: Dual-path actor interaction learning for group activity recognition

M Han, DJ Zhang, Y Wang, R Yan… - Proceedings of the …, 2022 - openaccess.thecvf.com
Learning spatial-temporal relation among multiple actors is crucial for group activity
recognition. Different group activities often show the diversified interactions between actors …

Spatio-temporal dynamic inference network for group activity recognition

H Yuan, D Ni, M Wang - Proceedings of the IEEE/CVF …, 2021 - openaccess.thecvf.com
Group activity recognition aims to understand the activity performed by a group of people. In
order to solve it, modeling complex spatio-temporal interactions is the key. Previous …

HiGCIN: Hierarchical graph-based cross inference network for group activity recognition

R Yan, L **e, J Tang, X Shu… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
Group activity recognition (GAR) is a challenging task aimed at recognizing the behavior of a
group of people. It is a complex inference process in which visual cues collected from …

Detector-free weakly supervised group activity recognition

D Kim, J Lee, M Cho, S Kwak - Proceedings of the IEEE …, 2022 - openaccess.thecvf.com
Group activity recognition is the task of understanding the activity conducted by a group of
people as a whole in a multi-person video. Existing models for this task are often impractical …

Spartan: Self-supervised spatiotemporal transformers approach to group activity recognition

NVS Chappa, P Nguyen, AH Nelson… - Proceedings of the …, 2023 - openaccess.thecvf.com
In this paper, we propose a new, simple, and effective Self-supervised Spatio-temporal
Transformers (SPARTAN) approach to Group Activity Recognition (GAR) using unlabeled …

Learning visual context for group activity recognition

H Yuan, D Ni - Proceedings of the AAAI Conference on Artificial …, 2021 - ojs.aaai.org
Group activity recognition aims to recognize an overall activity in a multi-person scene.
Previous methods strive to reason on individual features. However, they under-explore the …

Hunting group clues with transformers for social group activity recognition

M Tamura, R Vishwakarma, R Vennelakanti - European Conference on …, 2022 - Springer
This paper presents a novel framework for social group activity recognition. As an expanded
task of group activity recognition, social group activity recognition requires recognizing …

A two-stream neural network for pose-based hand gesture recognition

C Li, S Li, Y Gao, X Zhang, W Li - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Pose-based hand gesture recognition has been widely studied in the recent years.
Compared with full body action recognition, hand gesture involves joints that are more …

An actor-centric causality graph for asynchronous temporal inference in group activity

Z **e, T Gao, K Wu, J Chang - Proceedings of the IEEE/CVF …, 2023 - openaccess.thecvf.com
The causality relation modeling remains a challenging task for group activity recognition.
The causality relations describe the influence of some actors (cause actors) on other actors …