A note on the evaluation of generative models
Not on the map. Why?
Cited by 57 in Diffusion models, but placed by its own abstract, which didn’t fit.
Abstract (arXiv)
Probabilistic generative models can be used for compression, denoising, inpainting, texture synthesis, semi-supervised learning, unsupervised feature learning, and other tasks. Given this wide range of applications, it is not surprising that a lot of heterogeneity exists in the way these models are formulated, trained, and evaluated. As a consequence, direct comparison between models is often difficult. This article reviews mostly known but often underappreciated properties relating to the evaluation and interpretation of generative models with a focus on image models. In particular, we show that three of the currently most commonly used criteria---average log-likelihood, Parzen window estimates, and visual fidelity of samples---are largely independent of each other when the data is high-dimensional. Good performance with respect to one criterion therefore need not imply good performance with respect to the other criteria. Our results show that extrapolation from one criterion to another is not warranted and generative models need to be evaluated directly with respect to the application(s) they were intended for. In addition, we provide examples demonstrating that Parzen window estimates should generally be avoided.
Key facts. Cited by 292 papers in the map (data through 14 Oct 2026). First posted on arXiv 5 Nov 2015.
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Citing papers per year: 2021: 57; 2022: 68; 2023: 56; 2024: 39; 2025: 34; 2026: 38.
292 papers.
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- 2021Autoregressive Denoising Diffusion Models for Multivariate Probabilistic Time Series Forecastingcited by 337
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- 2026Uncertainty Estimation for Molecular Diffusion Models11 Jun 2026
- 2026Disentangling Generation and Regression in Stochastic Interpolants for Controllable Image Restoration20 May 2026
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