1 code implementation • 20 May 2024 • Ramin Ghorbani, Marcel J. T. Reinders, David M. J. Tax
We introduce Proximity-Aware Time series anomaly Evaluation (PATE), a novel evaluation metric that incorporates the temporal relationship between prediction and anomaly intervals.
1 code implementation • 13 May 2024 • Ramin Ghorbani, Marcel J. T. Reinders, David M. J. Tax
This layer fits a non-parametric density in the latent representation, such that a high RBF output indicates similarity with predominantly normal training data.
no code implementations • 12 Jul 2023 • Ramin Ghorbani, Marcel J. T. Reinders, David M. J. Tax
This paper introduces a two-stage framework leveraging representation learning and personalization to improve anomaly detection performance in PPG data.
1 code implementation • 7 Dec 2022 • Ramin Ghorbani, Marcel J. T. Reinders, David M. J. Tax
Unfortunately, there is high inter-subject variability in the SSL-learned representations, which makes working with this data more challenging when labeled data is scarce.