Deep learning-driven real-time violence detection in surveillance streams

Avi Verma

International Journal of Complexity in Applied Science and Technology, 2026, vol. 2, issue 2, 183-199

Abstract: The escalating threat of violence in public spaces necessitates scalable, automated, and real-time detection systems. This study introduces a deep learning-based framework for real-time violence detection in surveillance streams, leveraging a fine-tuned DenseNet121 convolutional neural network optimised for processing real-time streaming protocol (RTSP) feeds. Trained on a curated subset of the UCF-Crime dataset, the model achieves 92% accuracy and a weighted F1-score of 0.91. Integrating OpenCV for frame capture, flask for visualisation, MongoDB for metadata management, and Dropbox for cloud storage, the system processes multiple RTSP streams concurrently at 30 fps on a T4 GPU. This end-to-end pipeline offers a practical solution for smart city surveillance, transportation hubs, and institutional security, demonstrating scalability, robustness, and deployability. This manuscript extends our previous work previously shared as preprints to promote open science and reproducibility. It is available as a preprint on SSRN (Verma, 2025a), TechRxiv (Verma, 2025b) and on Zenodo (Verma, 2025c). The complete source code, model files, and deployment instructions for the proposed real-time violence detection system are available at GITHUB and dataset at DATASET.

Keywords: violence detection; DenseNet121; real-time surveillance; deep learning; multi-threading; cloud integration. (search for similar items in EconPapers)
Date: 2026
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