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Diffusion models have shown impressive results in generating high-quality conditional samples using guidance techniques such as Classifier-Free Guidance (CFG). However, existing methods often require additional training or neural function…

机器学习 · 计算机科学 2025-07-22 Kwanyoung Kim , Byeongsu Sim

Post-hoc unlearning has emerged as a practical mechanism for removing undesirable concepts from large text-to-image diffusion models. However, prior work primarily evaluates unlearning through erasure success; its impact on broader…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Arian Komaei Koma , Seyed Amir Kasaei , Ali Aghayari , AmirMahdi Sadeghzadeh , Mohammad Hossein Rohban

Text-to-image diffusion models have achieved unprecedented proficiency in generating realistic images. However, their inherent tendency to memorize and replicate training data during inference raises significant concerns, including…

计算机视觉与模式识别 · 计算机科学 2025-04-28 Chen Chen , Daochang Liu , Mubarak Shah , Chang Xu

Driven by the scalable diffusion models trained on large-scale datasets, text-to-image synthesis methods have shown compelling results. However, these models still fail to precisely follow the text prompt involving multiple objects,…

计算机视觉与模式识别 · 计算机科学 2023-12-06 Quynh Phung , Songwei Ge , Jia-Bin Huang

Text-to-image diffusion models have achieved remarkable progress, yet their use raises copyright and misuse concerns, prompting research into machine unlearning. However, extending multi-concept unlearning to large-scale scenarios remains…

机器学习 · 计算机科学 2026-05-19 Kaiyuan Deng , Gen Li , Yang Xiao , Bo Hui , Xiaolong Ma

Advanced text-to-image diffusion models raise safety concerns regarding identity privacy violation, copyright infringement, and Not Safe For Work content generation. Towards this, unlearning methods have been developed to erase these…

计算机视觉与模式识别 · 计算机科学 2024-05-01 Xiaoxuan Han , Songlin Yang , Wei Wang , Yang Li , Jing Dong

Concept unlearning in diffusion models is hampered by feature splitting, where concepts are distributed across many latent features, making their removal challenging and computationally expensive. We introduce SAEmnesia, a supervised sparse…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Enrico Cassano , Riccardo Renzulli , Marco Nurisso , Mirko Zaffaroni , Alan Perotti , Marco Grangetto

As powerful generative models, text-to-image diffusion models have recently been explored for discriminative tasks. A line of research focuses on adapting a pre-trained diffusion model to semantic segmentation without any further training,…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Benyuan Meng , Qianqian Xu , Zitai Wang , Xiaochun Cao , Longtao Huang , Qingming Huang

Robust concept removal for text-to-image (T2I) and text-to-video (T2V) models is essential for their safe deployment. Existing methods, however, suffer from costly retraining, inference overhead, or vulnerability to adversarial attacks.…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Shristi Das Biswas , Arani Roy , Kaushik Roy

The recent proliferation of diffusion models has made style mimicry effortless, enabling users to imitate unique artistic styles without authorization. In deployed platforms, this raises copyright and intellectual-property risks and calls…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Tong Zhang , Ru Zhang , Jianyi Liu

Diffusion models have been successfully adapted to text generation tasks by mapping the discrete text into the continuous space. However, there exist nonnegligible gaps between training and inference, owing to the absence of the forward…

计算与语言 · 计算机科学 2023-05-09 Zecheng Tang , Pinzheng Wang , Keyan Zhou , Juntao Li , Ziqiang Cao , Min Zhang

Text-to-image diffusion models have demonstrated remarkable capabilities in generating high-quality images, yet their tendency to reproduce undesirable concepts, such as NSFW content, copyrighted styles, or specific objects, poses growing…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Zhiqi Zhang , Xinhao Zhong , Yi Sun , Shuoyang Sun , Bin Chen , Shu-Tao Xia , Xuan Wang

Studies have been conducted to prevent specific concepts from being generated from pretrained text-to-image generative models, achieving concept erasure in various ways. However, the performance evaluation of these studies is still largely…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Masane Fuchi , Tomohiro Takagi

While large-scale text-to-image diffusion models have demonstrated impressive image-generation capabilities, there are significant concerns about their potential misuse for generating unsafe content, violating copyright, and perpetuating…

计算机视觉与模式识别 · 计算机科学 2024-05-30 Ruchika Chavhan , Da Li , Timothy Hospedales

We are witnessing rapid progress in automatically generating and manipulating 3D assets due to the availability of pretrained text-image diffusion models. However, time-consuming optimization procedures are required for synthesizing each…

计算机视觉与模式识别 · 计算机科学 2024-05-09 Etai Sella , Gal Fiebelman , Noam Atia , Hadar Averbuch-Elor

We present a novel approach to leverage prior knowledge encapsulated in pre-trained text-to-image diffusion models for blind super-resolution (SR). Specifically, by employing our time-aware encoder, we can achieve promising restoration…

计算机视觉与模式识别 · 计算机科学 2024-07-01 Jianyi Wang , Zongsheng Yue , Shangchen Zhou , Kelvin C. K. Chan , Chen Change Loy

Concept erasing has recently emerged as an effective paradigm to prevent text-to-image diffusion models from generating visually undesirable or even harmful content. However, current removal methods heavily rely on manually crafted text…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Feiran Li , Qianqian Xu , Shilong Bao , Zhiyong Yang , Xiaochun Cao , Qingming Huang

The proliferation of text-to-image diffusion models has raised significant privacy and security concerns, particularly regarding the generation of copyrighted or harmful images. In response, concept erasure (defense) methods have been…

机器学习 · 计算机科学 2025-10-06 Alex D. Richardson , Kaicheng Zhang , Lucas Beerens , Dongdong Chen

Unsupervised visual object tracking is a challenging task that requires following arbitrary targets in videos without training on ground-truth annotations. Despite considerable progress, existing state-of-the-art unsupervised trackers often…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Zhengbo Zhang , Zhigang Tu , Junsong Yuan , De Wen Soh , Bo Du

Ensuring that neural models used in real-world applications cannot infer sensitive information, such as demographic attributes like gender or race, from text representations is a critical challenge when fairness is a concern. We address…

机器学习 · 计算机科学 2025-08-19 Antoine Saillenfest , Pirmin Lemberger