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- W4385968088 abstract "Video anomaly detection is an essential yet challenging task in the multimedia community, with promising applications in smart cities and secure communities. Existing methods attempt to learn abstract representations of regular events with statistical dependence to model the endogenous normality, which discriminates anomalies by measuring the deviations to the learned distribution. However, conventional representation learning is only a crude description of video normality and lacks an exploration of its underlying causality. The learned statistical dependence is unreliable for diverse regular events in the real world and may cause high false alarms due to overgeneralization. Inspired by causal representation learning, we think that there exists a causal variable capable of adequately representing the general patterns of regular events in which anomalies will present significant variations. Therefore, we design a causality-inspired representation consistency (CRC) framework to implicitly learn the unobservable causal variables of normality directly from available normal videos and detect abnormal events with the learned representation consistency. Extensive experiments show that the causality-inspired normality is robust to regular events with label-independent shifts, and the proposed CRC framework can quickly and accurately detect various complicated anomalies from real-world surveillance videos." @default.
- W4385968088 created "2023-08-19" @default.
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- W4385968088 date "2023-08-03" @default.
- W4385968088 modified "2023-10-14" @default.
- W4385968088 title "Learning Causality-inspired Representation Consistency for Video Anomaly Detection" @default.
- W4385968088 doi "https://doi.org/10.48550/arxiv.2308.01537" @default.
- W4385968088 hasPublicationYear "2023" @default.
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