Privacy-Preserving Approaches in Smart Surveillance Systems Using the YOLO Algorithm

Purpose: This paper investigates privacy-preserving approaches in smart surveillance systems, focusing on maintaining the balance between public security and individual privacy rights. With the proliferation of surveillance technologies and artificial intelligence (AI), ensuring data confidentiality while maintaining operational efficiency has become a key concern. The study emphasizes the role of the YOLO (You Only Look Once) algorithm in enabling privacy-conscious, real-time object detection and its integration with advanced cryptographic and federated learning methods. Design/Methodology/Approach: The research employs a conceptual and analytical approach, reviewing recent technological developments in AI-based surveillance, particularly the application of YOLO for secure, real-time object detection. Privacy-preserving methods—such as anonymization, edge computing, encryption, and federated learning—are analyzed for their potential to reduce data exposure and misuse risks. Case references, including the deployment of AI-driven surveillance during Maha Kumbh Mela 2025 in India, illustrate real-world implications of privacy-centered frameworks. Findings: The findings demonstrate that integrating YOLO with privacy-preserving techniques enhances surveillance efficiency without compromising user privacy. Federated learning allows decentralized data training, while secure convolutional operations protect sensitive information through encryption. Despite YOLO’s advantages in speed and accuracy, challenges remain in detecting small or overlapping objects and managing computational demands on edge devices. Research Limitations/Implications: Future research should focus on optimizing YOLO models for low-power environments and developing standardized privacy protocols for large-scale surveillance. Originality/Value: This study contributes to the discourse on ethical AI by presenting a holistic framework for privacy-preserving smart surveillance, combining real-time efficiency with data security principles.