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Zheng-Yi Guo

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#artificial intelligence Preprint Sep 2026

DOHF: Online Diffusion Fine-tuning with Doob's $h$-transform Guidance

This work proposes Diffusion Online-guidance Fine-tuning (DOHF), which turns Doob's $h-transform into a practical online training algorithm and demonstrates how adapting probabilistic conditioning through inexpensive estimation and iterative distillation can improve generative learning across statistical sampling and v...

Zheng-Yi Guo, Jia-Yuan Sheng, Wen-Pin Tang et al. · 1 citation

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