How do I get formula (9) using ELBO?

SalesforceAIResearch / DiffusionDPO

Code for "Diffusion Model Alignment Using Direct Preference Optimization"

https://arxiv.org/abs/2311.12908

Apache License 2.0

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Open Mowenyii opened 5 months ago

Mowenyii commented 5 months ago

Thank you for great work~ I have some questions. How do I get formula (9) using ELBO?