Haozhong Xiong
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2026
Rethinking Classifier-Free Guidance in On-Policy Diffusion Distillation
This paper introduces Positive--Direction Matching (PDM), a branch-aware on-policy distillation objective to address Negative Branch Asymmetry (NBA) in diffusion models under classifier-free guidance.
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cs.CVcs.AIcs.LGEmpiricalRecentJul 27, 2026
Rethinking Classifier-Free Guidance in On-Policy Diffusion Distillation
Bingnan Li, Haozhe Wang, Haozhong Xiong, Fangtai Wu +4 more
This paper introduces Positive--Direction Matching (PDM), a branch-aware on-policy distillation objective to address Negative Branch Asymmetry (NBA) in diffusion models under classifier-free guidance.
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