Bidirectional skip-frame prediction for video anomaly detection with intra-domain disparity-driven attention

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Jiahao Lyu, Minghua Zhao, Jing Hu, Runtao Xi, Xuewen Huang, Shuangli Du, Cheng Shi, Tian Ma

Published: 2026, Last Modified: 06 Jan 2026Pattern Recognit. 2026EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•We propose a novel bidirectional prediction method based on the dual-AE network.•The proposed BiSP method with different input strategies in the different stages.•Different input strategies enlarge the feature gap between normal and abnormal.•VarCA enhances the ability to discriminate movement patterns across events.•ConSA enriches the ability of feature extraction for objects at various scales.