1 code implementation • 14 Nov 2022 • Mohammadreza Sadeghi, Hadi Hojjati, Narges Armanfard
In this paper, we propose a novel contrastive clustering method, Cross-instance guided Contrastive Clustering (C3), that considers the cross-sample relationships to increase the number of positive pairs and mitigate the impact of false negative, noise, and anomaly sample on the learned representation of data.
Ranked #4 on Image Clustering on Tiny-ImageNet
no code implementations • 10 May 2022 • Hadi Hojjati, Thi Kieu Khanh Ho, Narges Armanfard
Anomaly detection (AD) plays a crucial role in various domains, including cybersecurity, finance, and healthcare, by identifying patterns or events that deviate from normal behaviour.
Self-Supervised Anomaly Detection Self-Supervised Learning +1
1 code implementation • 9 Jun 2021 • Hadi Hojjati, Narges Armanfard
In this paper, we propose a method, DASVDD, that jointly learns the parameters of an autoencoder while minimizing the volume of an enclosing hyper-sphere on its latent representation.
Ranked #7 on Anomaly Detection on Fashion-MNIST