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To what extent does concept erasure eliminate generative capacity in diffusion models? While prior evaluations have primarily focused on measuring concept suppression under specific textual prompts, we explore a complementary and…

计算机视觉与模式识别 · 计算机科学 2025-09-19 Ping Liu , Chi Zhang

Recent advances in text-to-image diffusion models have demonstrated remarkable generation capabilities, yet they raise significant concerns regarding safety, copyright, and ethical implications. Existing concept erasure methods address…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Yi Sun , Xinhao Zhong , Hongyan Li , Yimin Zhou , Junhao Li , Bin Chen , Xuan Wang

In concept erasure, a model is modified to selectively prevent it from generating a target concept. Despite the rapid development of new methods, it remains unclear how thoroughly these approaches remove the target concept from the model.…

机器学习 · 计算机科学 2025-11-10 Kevin Lu , Nicky Kriplani , Rohit Gandikota , Minh Pham , David Bau , Chinmay Hegde , Niv Cohen

Concept erasure in text-to-image diffusion models aims to disable pre-trained diffusion models from generating images related to a target concept. To perform reliable concept erasure, the properties of robustness and locality are desirable.…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Chi-Pin Huang , Kai-Po Chang , Chung-Ting Tsai , Yung-Hsuan Lai , Fu-En Yang , Yu-Chiang Frank Wang

While modern generative models such as diffusion-based architectures have enabled impressive creative capabilities, they also raise important safety and ethical risks. These concerns have led to growing interest in concept erasure, the…

机器学习 · 计算机科学 2026-04-14 Chi Zhang , Jingpu Cheng , Zhixian Wang , Ping Liu

Diffusion-based models have achieved state-of-the-art performance on text-to-image synthesis tasks. However, one critical limitation of these models is the low fidelity of generated images with respect to the text description, such as…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Qiucheng Wu , Yujian Liu , Handong Zhao , Trung Bui , Zhe Lin , Yang Zhang , Shiyu Chang

Motivated by recent advancements in text-to-image diffusion, we study erasure of specific concepts from the model's weights. While Stable Diffusion has shown promise in producing explicit or realistic artwork, it has raised concerns…

计算机视觉与模式识别 · 计算机科学 2023-06-22 Rohit Gandikota , Joanna Materzynska , Jaden Fiotto-Kaufman , David Bau

Recently, diffusion models have emerged as promising newcomers in the field of generative models, shining brightly in image generation. However, when employed for object removal tasks, they still encounter issues such as generating random…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Wenhao Sun , Benlei Cui , Xue-Mei Dong , Jingqun Tang

Concept erasure in text-to-image diffusion models is crucial for mitigating harmful content, yet existing methods often compromise generative quality. We introduce Semantic Surgery, a novel training-free, zero-shot framework for concept…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Lexiang Xiong , Chengyu Liu , Jingwen Ye , Yan Liu , Yuecong Xu

As large-scale diffusion models continue to advance, they excel at producing high-quality images but often generate unwanted content, such as sexually explicit or violent content. Existing methods for concept removal generally guide the…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Lingyun Zhang , Yu Xie , Yanwei Fu , Ping Chen

Text-to-image diffusion models have demonstrated the underlying risk of generating various unwanted content, such as sexual elements. To address this issue, the task of concept erasure has been introduced, aiming to erase any undesired…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Zheling Meng , Bo Peng , Xiaochuan Jin , Yueming Lyu , Wei Wang , Jing Dong , Tieniu Tan

As Text-to-Image models continue to evolve, so does the risk of generating unsafe, copyrighted, or privacy-violating content. Existing safety interventions - ranging from training data curation and model fine-tuning to inference-time…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Shristi Das Biswas , Arani Roy , Kaushik Roy

The rapid growth of text-to-image diffusion models has raised concerns about their potential misuse in generating harmful or unauthorized contents. To address these issues, several Concept Erasure methods have been proposed. However, most…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Kien Nguyen , Anh Tran , Cuong Pham

Concept erasure in Text-To-Image (T2I) diffusion models is vital for safe content generation, but existing inference-time methods face significant limitations. Feature-correction approaches often cause uncontrolled over-correction, while…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Qinghui Gong

While recent developments in text-to-image generative models have led to a suite of high-performing methods capable of producing creative imagery from free-form text, there are several limitations. By analyzing the cross-attention…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Aishwarya Agarwal , Srikrishna Karanam , K J Joseph , Apoorv Saxena , Koustava Goswami , Balaji Vasan Srinivasan

Text-to-video diffusion transformers encode semantic information unevenly across model depth, which constrains effective concept erasure. We identify a representational bottleneck, termed concept-layer topological alignment, under which…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Yiwei Xie , Ping Liu , Zheng Zhang

In the evolving landscape of text-to-image (T2I) diffusion models, the remarkable capability to generate high-quality images from textual descriptions faces challenges with the potential misuse of reproducing sensitive content. To address…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Changhoon Kim , Kyle Min , Yezhou Yang

Diffusion models (DMs) have achieved significant progress in text-to-image generation. However, the inevitable inclusion of sensitive information during pre-training poses safety risks, such as unsafe content generation and copyright…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Hongguang Zhu , Yunchao Wei , Mengyu Wang , Siyu Jiao , Yan Fang , Jiannan Huang , Yao Zhao

Deep Text-to-Image Synthesis (TIS) models such as Stable Diffusion have recently gained significant popularity for creative Text-to-image generation. Yet, for domain-specific scenarios, tuning-free Text-guided Image Editing (TIE) is of…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Bingyan Liu , Chengyu Wang , Tingfeng Cao , Kui Jia , Jun Huang

Text-to-image synthesis has achieved high-quality results with recent advances in diffusion models. However, text input alone has high spatial ambiguity and limited user controllability. Most existing methods allow spatial control through…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Yuki Endo