Papers by Tinghao Chen
Red-Teaming NSFW Image Classifiers as Text-to-Image Safeguards (2026.findings-acl)
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Tinghao Xie, Yueqi Xie, Alireza Zareian, Shuming Hu, Felix Juefei-Xu, Xiaowen Lin, Ankit Jain, Prateek Mittal, Li Chen
| Challenge: | Not Safe for Work (NSFW) image classifiers play a critical role in safeguarding text-to-image systems. |
| Approach: | They propose an automated red-teaming framework that leverages a set of generative AI tools to uncover NSFW image failures. |
| Outcome: | The proposed framework uncovers and interprets failure modes and enables it to be applied to real-world T2I and T2V systems. |
Reinforcement Learning–Guided Adaptive Tuning for Out-of-Distribution Harmful Text Detection (2026.acl-long)
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| Challenge: | Existing methods for testing harmful information on social media rely on fixed parameters that fail to handle substantial semantic discrepancies . RLAT can be used to adapt to semantic variations while preventing overfitting from continuous tuning. |
| Approach: | They propose a reinforcement learning-guided adaptive tuning method for harmful text detection that optimizes consistency loss and applies word-level attention constraints to reduce over-reliance on local words. |
| Outcome: | The proposed method outperforms state-of-the-art models in cross-platform and cross-temporal scenarios across multiple public datasets. |