Copula-Based Normalizing Flows
Not on the map. Why?
Abstract (arXiv)
Normalizing flows, which learn a distribution by transforming the data to samples from a Gaussian base distribution, have proven powerful density approximations. But their expressive power is limited by this choice of the base distribution. We, therefore, propose to generalize the base distribution to a more elaborate copula distribution to capture the properties of the target distribution more accurately. In a first empirical analysis, we demonstrate that this replacement can dramatically improve the vanilla normalizing flows in terms of flexibility, stability, and effectivity for heavy-tailed data. Our results suggest that the improvements are related to an increased local Lipschitz-stability of the learned flow.
Key facts. Cited by 5 papers in the map (data through 7 Oct 2026). Builds on 12 of its 23 references that are in the map. First posted on arXiv 15 Jul 2021.
Builds on
12 of 23 references.
References · 12
- 2013Auto-Encoding Variational Bayescited by 3,980
- 2016Density estimation using Real NVPcited by 2,029
- 2019Normalizing Flows for Probabilistic Modeling and Inferencecited by 1,315
- 2014NICE: Non-linear Independent Components Estimationcited by 1,052
- 2017Masked Autoregressive Flow for Density Estimationcited by 680
- 2018FFJORD: Free-form Continuous Dynamics for Scalable Reversible Generative Modelscited by 584
- 2019Residual Flows for Invertible Generative Modelingcited by 256
- 2016Range Loss for Deep Face Recognition with Long-tailcited by 111
- 2017The Devil is in the Tails: Fine-grained Classification in the Wildcited by 89
- 2020Understanding and Mitigating Exploding Inverses in Invertible Neural Networkscited by 71
- 2019Copula & Marginal Flows: Disentangling the Marginal from its Jointcited by 17
- 2020Robust model training and generalisation with Studentising flowscited by 10
Built on by
Citing papers per year: 2022: 3; 2023: 1; 2024: 0; 2025: 0; 2026: 1.
5 papers.
- 2022Marginal Tail-Adaptive Normalizing Flowscited by 12
- 2022COMET Flows: Towards Generative Modeling of Multivariate Extremes and Tail Dependencecited by 8
- 2022Inference and Sampling for Archimax Copulascited by 5
- 2023Tensorizing flows: a tool for variational inferencecited by 1
- 2026Dynamic Vine Copulas: Detecting and Quantifying Time-Varying Higher-Order Interactionscited by 0
- 2026Dynamic Vine Copulas: Detecting and Quantifying Time-Varying Higher-Order Interactions4 May 2026
- 2023Tensorizing flows: a tool for variational inference3 May 2023
- 2022Marginal Tail-Adaptive Normalizing Flows21 Jun 2022
- 2022Inference and Sampling for Archimax Copulas27 May 2022
- 2022COMET Flows: Towards Generative Modeling of Multivariate Extremes and Tail Dependence2 May 2022