no code implementations • 26 Jan 2024 • Chen Liu, Shibo He, Qihang Zhou, Shizhong Li, Wenchao Meng
To overcome the limitation, we propose \textbf{AnomalyLLM}, a knowledge distillation-based time series anomaly detection approach where the student network is trained to mimic the features of the large language model (LLM)-based teacher network that is pretrained on large-scale datasets.
1 code implementation • 17 Dec 2023 • Qihang Zhou, Shibo He, Haoyu Liu, Jiming Chen, Wenchao Meng
In this paper, we propose MTGFlow, an unsupervised anomaly detection approach for MTS anomaly detection via dynamic Graph and entity-aware normalizing Flow.
2 code implementations • 3 Aug 2022 • Qihang Zhou, Jiming Chen, Haoyu Liu, Shibo He, Wenchao Meng
Multivariate time series anomaly detection has been extensively studied under the semi-supervised setting, where a training dataset with all normal instances is required.
no code implementations • 1 Nov 2021 • Chao Dong, Qi Ye, Wenchao Meng, Kaixiang Yang
Recent approaches based on metric learning have achieved great progress in few-shot learning.