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Tingxu Han

3 accepted papers

2025

Continuous Concepts Removal in Text-to-image Diffusion Models

NeurIPS 2025poster

Text-to-image diffusion models have shown an impressive ability to generate high-quality images from input textual descriptions/prompts. However, concerns have been raised about the potential for these models to create content that infringes on copyrights or depicts disturbing subject matter. Removi…

Cited by 0SourcecodeScholar
2025

Invisible Backdoor Attack against Self-supervised Learning

CVPR 2025poster

Self-supervised learning (SSL) models are vulnerable to backdoor attacks. Existing backdoor attacks that are effective in SSL often involve noticeable triggers, like colored patches or visible noise, which are vulnerable to human inspection. This paper proposes an imperceptible and effective backdoo…

2025

Token-Budget-Aware LLM Reasoning

ACL 2025finding

Reasoning is critical for large language models (LLMs) to excel in a wide range of tasks. While methods like Chain-of-Thought (CoT) reasoning and enhance LLM performance by decomposing problems into intermediate steps, they also incur significant overhead in token usage, leading to increased costs.…