Distributed Learning for Privacy-Preserving Semi-Supervised Video Anomaly Detection. - Xiao-Dong Xie; Yu-Wei Zhan; Zhen-Xiang Ma; Hong-Mei Liu; Zhen-Duo Chen 001; Xin Luo 006; Xin-Shun Xu (IEEE Trans. Circuits Syst. Video Technol., 2025)