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Text-to-image models can generate harmful images when presented with unsafe prompts, posing significant safety and societal risks. Alignment methods aim to modify these models to ensure they generate only non-harmful images, even when…

密码学与安全 · 计算机科学 2025-03-03 Yuepeng Hu , Zhengyuan Jiang , Neil Zhenqiang Gong

Diffusion models, such as Stable Diffusion, have shown incredible performance on text-to-image generation. Since text-to-image generation often requires models to generate visual concepts with fine-grained details and attributes specified…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Xuehai He , Weixi Feng , Tsu-Jui Fu , Varun Jampani , Arjun Akula , Pradyumna Narayana , Sugato Basu , William Yang Wang , Xin Eric Wang

As Classifier-Free Guidance (CFG) has proven effective in conditional diffusion model sampling for improved condition alignment, many applications use a negated CFG term to filter out unwanted features from samples. However, simply negating…

机器学习 · 计算机科学 2024-11-27 Jinho Chang , Hyungjin Chung , Jong Chul Ye

Reliable image transmission over wireless channels is particularly challenging at extremely low transmission rates, where conventional compression and channel coding schemes fail to preserve adequate visual quality. To address this issue,…

信息论 · 计算机科学 2025-10-27 Shengkang Chen , Tong Wu , Zhiyong Chen , Feng Yang , Meixia Tao , Wenjun Zhang

The rapid development of generative diffusion models has significantly advanced the field of style transfer. However, most current style transfer methods based on diffusion models typically involve a slow iterative optimization process,…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Feihong He , Gang Li , Fuhui Sun , Mengyuan Zhang , Lingyu Si , Xiaoyan Wang , Li Shen

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

Large-scale text-to-image generative models have shown remarkable ability to synthesize diverse and high-quality images. However, it is still challenging to directly apply these models for editing real images for two reasons. First, it is…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Syed Muhmmad Israr , Feng Zhao

Scene text editing is a challenging task that involves modifying or inserting specified texts in an image while maintaining its natural and realistic appearance. Most previous approaches to this task rely on style-transfer models that crop…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Jiabao Ji , Guanhua Zhang , Zhaowen Wang , Bairu Hou , Zhifei Zhang , Brian Price , Shiyu Chang

Text-to-Image (T2I) models, represented by DALL$\cdot$E and Midjourney, have gained huge popularity for creating realistic images. The quality of these images relies on the carefully engineered prompts, which have become valuable…

密码学与安全 · 计算机科学 2026-01-22 Shiqian Zhao , Chong Wang , Yiming Li , Yihao Huang , Wenjie Qu , Siew-Kei Lam , Yi Xie , Kangjie Chen , Jie Zhang , Tianwei Zhang

The rapid advancement of diffusion-based image generators has made it increasingly difficult to distinguish generated from real images. This erodes trust in digital media, making it critical to develop generated image detectors that remain…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Ana Vasilcoiu , Ivona Najdenkoska , Zeno Geradts , Marcel Worring

Text-to-image diffusion models sometimes depict blended concepts in the generated images. One promising use case of this effect would be the nonword-to-image generation task which attempts to generate images intuitively imaginable from a…

多媒体 · 计算机科学 2024-11-07 Chihaya Matsuhira , Marc A. Kastner , Takahiro Komamizu , Takatsugu Hirayama , Ichiro Ide

We study object motion path editing in videos, where the goal is to alter a target object's trajectory while preserving the original scene content. Unlike prior video editing methods that primarily manipulate appearance or rely on…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Quynh Phung , Long Mai , Cusuh Ham , Feng Liu , Jia-Bin Huang , Aniruddha Mahapatra

Text-to-image diffusion models have made significant advancements in generating high-quality, diverse images from text prompts. However, the inherent limitations of textual signals often prevent these models from fully capturing specific…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Ziqiang Li , Jun Li , Lizhi Xiong , Zhangjie Fu , Zechao Li

Diffusion model has demonstrated remarkable capability in video generation, which further sparks interest in introducing trajectory control into the generation process. While existing works mainly focus on training-based methods (e.g.,…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Haonan Qiu , Zhaoxi Chen , Zhouxia Wang , Yingqing He , Menghan Xia , Ziwei Liu

Road user trajectory prediction in dynamic environments is a challenging but crucial task for various applications, such as autonomous driving. One of the main challenges in this domain is the multimodal nature of future trajectories…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Younwoo Choi , Ray Coden Mercurius , Soheil Mohamad Alizadeh Shabestary , Amir Rasouli

Diffusion models have become leading approaches for high-fidelity image generation. Recent DiT-based diffusion models, in particular, achieve strong prompt adherence while producing high-quality samples. We propose SHIFT, a simple but…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Nina Konovalova , Andrey Kuznetsov , Aibek Alanov

The escalating demand for real-time image synthesis has driven significant advancements in one-step diffusion models, which inherently offer expedited generation speeds compared to traditional multi-step methods. However, this enhanced…

计算机视觉与模式识别 · 计算机科学 2025-09-26 Viet Nguyen , Anh Nguyen , Trung Dao , Khoi Nguyen , Cuong Pham , Toan Tran , Anh Tran

Teaching text-to-image models to be creative involves using style ambiguity loss, which requires a pretrained classifier. In this work, we explore a new form of the style ambiguity training objective, used to approximate creativity, that…

计算机视觉与模式识别 · 计算机科学 2024-07-18 James Baker

Diffusion models for text-to-image (T2I) synthesis, such as Stable Diffusion (SD), have recently demonstrated exceptional capabilities for generating high-quality content. However, this progress has raised several concerns of potential…

机器学习 · 计算机科学 2024-06-10 Yu-Lin Tsai , Chia-Yi Hsu , Chulin Xie , Chih-Hsun Lin , Jia-You Chen , Bo Li , Pin-Yu Chen , Chia-Mu Yu , Chun-Ying Huang

Text-to-image models suffer from various safety issues that may limit their suitability for deployment. Previous methods have separately addressed individual issues of bias, copyright, and offensive content in text-to-image models. However,…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Rohit Gandikota , Hadas Orgad , Yonatan Belinkov , Joanna Materzyńska , David Bau