Search Results for author: Zhaoyan Liu

Found 6 papers, 4 papers with code

A Geometric Framework for Understanding Memorization in Generative Models

no code implementations31 Oct 2024 Brendan Leigh Ross, Hamidreza Kamkari, Tongzi Wu, Rasa Hosseinzadeh, Zhaoyan Liu, George Stein, Jesse C. Cresswell, Gabriel Loaiza-Ganem

To better understand this phenomenon, we propose the manifold memorization hypothesis (MMH), a geometric framework which leverages the manifold hypothesis into a clear language in which to reason about memorization.

Memorization

Exposing flaws of generative model evaluation metrics and their unfair treatment of diffusion models

3 code implementations NeurIPS 2023 George Stein, Jesse C. Cresswell, Rasa Hosseinzadeh, Yi Sui, Brendan Leigh Ross, Valentin Villecroze, Zhaoyan Liu, Anthony L. Caterini, J. Eric T. Taylor, Gabriel Loaiza-Ganem

Comparing to 17 modern metrics for evaluating the overall performance, fidelity, diversity, rarity, and memorization of generative models, we find that the state-of-the-art perceptual realism of diffusion models as judged by humans is not reflected in commonly reported metrics such as FID.

Diversity Image Generation +1

TR0N: Translator Networks for 0-Shot Plug-and-Play Conditional Generation

2 code implementations26 Apr 2023 Zhaoyan Liu, Noel Vouitsis, Satya Krishna Gorti, Jimmy Ba, Gabriel Loaiza-Ganem

We propose TR0N, a highly general framework to turn pre-trained unconditional generative models, such as GANs and VAEs, into conditional models.

Text-to-Image Generation

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