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Ziheng Cheng

PhD student, University of California, Berkeley

2 papers at NeurIPS 2025

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Poster Session 1

Wednesday, December 3, 2025 · 11:00 AM → 2:00 PM

Exhibit Hall C,D,E

Provable Sample-Efficient Transfer Learning Conditional Diffusion Models via Representation Learning

#3014 · Ziheng Cheng, Tianyu Xie, Shiyue Zhang, Cheng Zhang

We provide the first theoretical sample-efficiency results of conditional diffusion models via transfer learning

Poster Session 4

Thursday, December 4, 2025 · 4:30 PM → 7:30 PM

Exhibit Hall C,D,E

OVERT: A Benchmark for Over-Refusal Evaluation on Text-to-Image Models

#1015 · Ziheng Cheng, Yixiao Huang, Hui Xu, Somayeh Sojoudi, Xuandong Zhao, Dawn Song, Song Mei