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(1/n) Time to unify your favorite visual generative models, VLMs, and simulators for controllable visual generation—Introducing a Product of Experts (PoE) framework for inference-time knowledge composition from heterogeneous models.

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Yunzhi Zhang

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49,081 Aufrufe • vor 1 Jahr •via X (Twitter)

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Profilbild von Yunzhi Zhang
Yunzhi Zhangvor 1 Jahr

(2/n) The composition yields better controllability and provides flexible user interfaces for specifying visual synthesis goals, enabling applications such as composing physics simulation into generated videos…

Profilbild von Yunzhi Zhang
Yunzhi Zhangvor 1 Jahr

(3/n) …inserting graphics engine rendering into images, and more.

Profilbild von Yunzhi Zhang
Yunzhi Zhangvor 1 Jahr

(4/n) PoE sampling is non-trivial in high dimensions. We adopt Annealed Importance Sampling, where particles are initially drawn from a simple base distribution and steered towards the target, with transition kernels computed from expert models.. Two possible annealing paths:

Profilbild von Yunzhi Zhang
Yunzhi Zhangvor 1 Jahr

(5/5) Page: More details in paper: Team work with the incredible Carson Murtuza-Lanier, @zizhang_li, @du_yilun, and @jiajunwu_cs!

Profilbild von Rainmaker
Rainmakervor 2 Jahren

Join me as I put several Machine Learning models head-to-head to see which one can beat the market and deliver strong returns. In this free Substack post I share several models that deliver better returns with much lower drawdown compared to Buy-and-Hold approach.

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Aishavor 1 Jahr

Whats the best visual video generative models in your experience ?

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