Open Access

ARTICLE

Fine Grained Feature Extraction Model of Riot-related Images Based on YOLOv5

Shaofan Su¹, Deyu Yuan^2,*, Yuanxin Wang², Meng Ding³

1 Department of Information Cyber Security, People’s Public Security University of China, Beijing, 100038, China
2 Key Laboratory of Safety Precautions and Risk Assessment, Ministry of Public Security, Beijing, 102623, China
3 Public Security Behavioral Science Laboratory, People’s Public Security University of China, Beijing, 102623, China

* Corresponding Author: Deyu Yuan. Email: