A geometric framework for understanding memorization in generative models

BL Ross, H Kamkari, T Wu, R Hosseinzadeh… - arxiv preprint arxiv …, 2024 - arxiv.org
As deep generative models have progressed, recent work has shown them to be capable of
memorizing and reproducing training datapoints when deployed. These findings call into …

Recent Advances in OOD Detection: Problems and Approaches

S Lu, Y Wang, L Sheng, A Zheng, L He… - arxiv preprint arxiv …, 2024 - arxiv.org
Out-of-distribution (OOD) detection aims to detect test samples outside the training category
space, which is an essential component in building reliable machine learning systems …

Losing dimensions: Geometric memorization in generative diffusion

B Achilli, E Ventura, G Silvestri, B Pham, G Raya… - arxiv preprint arxiv …, 2024 - arxiv.org
Generative diffusion processes are state-of-the-art machine learning models deeply
connected with fundamental concepts in statistical physics. Depending on the dataset size …

OOD Detection with immature Models

B Montazeran, U Köthe - arxiv preprint arxiv:2502.00820, 2025 - arxiv.org
Likelihood-based deep generative models (DGMs) have gained significant attention for their
ability to approximate the distributions of high-dimensional data. However, these models …

Resultant: Incremental Effectiveness on Likelihood for Unsupervised Out-of-Distribution Detection

Y Li, C Wang, X **a, X He, R An, D Li, T Liu… - arxiv preprint arxiv …, 2024 - arxiv.org
Unsupervised out-of-distribution (U-OOD) detection is to identify OOD data samples with a
detector trained solely on unlabeled in-distribution (ID) data. The likelihood function …

A Wiener process perspective on local intrinsic dimension estimation methods

P Tempczyk, Ł Garncarek, D Filipiak… - arxiv preprint arxiv …, 2024 - arxiv.org
Local intrinsic dimension (LID) estimation methods have received a lot of attention in recent
years thanks to the progress in deep neural networks and generative modeling. In …

Challenging the Counterintuitive: Revisiting Simple Likelihood Tests with Normalizing Flows for Tabular Data Anomaly Detection

D Kim, JH Phee, H Yoon - openreview.net
In this study, we propose a novel approach to anomaly detection in the tabular domain using
normalizing flows, leveraging a simple likelihood test to achieve state-of-the-art performance …