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- W4206501783 abstract "Many anomaly detection applications can provide partially observed anomalies, but only limited work is for this setting. Additionally, a number of anomaly detectors focus on learning a particular model of normal/abnormal class. However, the intra-class model might be too complicated to be accurately learned. It is still a non-trivial task to handle data with anomalies/inliers in skewed and heterogeneous distributions. To address these problems, this paper proposes an anomaly detection method to leverage Partially Labeled anomalies via Surrogate supervision-based Deviation learning (denominated PLSD). The original supervision (i.e., known anomalies and a set of explored inliers) is transferred to semantic-rich surrogate supervision signals (i.e., anomaly-inlier and inlier-inlier class) via vector concatenation. Then different relationships and interactions between anomalies and inliers are directly and efficiently learned thanks to the neural network’s connection property. Anomaly scoring is processed via the trained network and the high-efficacy inliers. Extensive experiments show that PLSD significantly prevails state-of-the-art semi/weakly-supervised anomaly detectors." @default.
- W4206501783 created "2022-01-25" @default.
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- W4206501783 date "2021-12-01" @default.
- W4206501783 modified "2023-09-29" @default.
- W4206501783 title "Surrogate Supervision-based Deep Weakly-supervised Anomaly Detection" @default.
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- W4206501783 doi "https://doi.org/10.1109/icdmw53433.2021.00127" @default.
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