Design of Smart Community System Based on Video Surveillance Technology: Focus on Data Security and Privacy Protection

Jing Liu, Pengling Li, Xuanzi Liu and Yang Zhang
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Jing Liu: China Mobile Communications Group Co., Ltd., China
Pengling Li: China Mobile Communications Group Co., Ltd., China
Xuanzi Liu: China Mobile Communications Group Co., Ltd., China
Yang Zhang: China Mobile Communications Group Co., Ltd., China

International Journal of Information Security and Privacy (IJISP), 2026, vol. 20, issue 1, 1-15

Abstract: Driven by China's “new infrastructure” strategy and “discerning project”, smart community construction has become key to urban digital development. This study designs a video surveillance-based smart community system with a four-tier architecture (perception, network, platform, application layers), integrating AI video analysis, data fusion, blockchain tamper-proof storage, SM4 encryption, and face desensitization to ensure data security—core to the journal's focus. It implements three modules: perimeter intrusion warning (YOLO-based), illegal electric vehicle charging monitoring, and property fee visualization. Empirical results from a 3,000-household pilot (operational since Feb 2024) show 64–66.7% fewer security incidents, 38.9–41.7% shorter property response time, and 26% higher residents' satisfaction. Limitations include algorithm fragility in extreme conditions and multi-device interoperability issues, providing insights for secure smart community development.

Date: 2026
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