This page display the submited results for Group Leaderboards. For each submission, we display several main metrics in main table. For detailed information, more metrics, per-sequence results and visualisation (coming soon), please click submission name. For all tables, you can click headers to sort the results. Note you can download the submission zip file as well. Legends, metrics descriptions and reference are displayed after leaderboards table.

Social Group Submissions

Name mAP1 mAP2

32.5% 27.4%
Simindokht Jahangard, Munawar Hayat, Hamid Rezatofighi Real-time Trajectory-based Social Group Detection in Proceedings of the 2023 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)

31.6% 46.0%
Mahsa Ehsanpour, Fatemeh Saleh, Silvio Savarese, Ian Reid, Hamid Rezatofighi JRDB-Act: A Large-scale Dataset for Spatio-temporal Action, Social Group and Activity Detection in CVPR2022

24.5% 17.5%
Mahsa Ehsanpour, Alireza Abedin, Fatemeh Saleh, Javen Shi, Ian Reid, Hamid Rezatofighi Joint Learning of Social Groups, Individuals Action and Sub-group Activities in Videos in ECCV2020

Additional Information Used

Symbol Description
Individual Image Method uses individual images from each camera
Stitched Image Method uses stitched images combined from the individual cameras
Pointcloud Method uses 3D pointcloud data
Online Tracking Method does frame-by-frame processing with no lookahead
Offline Tracking Method does not do in-order frame processing
Public Detections Method uses publicly available detections
Private Detections Method uses its own private detections

Evaluation Measures[1]

Measure Better Perfect Description
mAP1 higher 100% mAP1 reports the average AP of groups with 1, 2, 3, 4 and more than 5 members and is used as the main metric for the social group detection challenge
mAP2 higher 100% mAP2 reports the average AP of all groups.


  1. The style and content of the Evaluation Measures section is reference from MOT Challenges.