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Fairness is an important topic for medical image analysis, driven by the challenge of unbalanced training data among diverse target groups and the societal demand for equitable medical quality. In response to this issue, our research adopts…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Wenyi Li , Haoran Xu , Guiyu Zhang , Huan-ang Gao , Mingju Gao , Mengyu Wang , Hao Zhao

We present a novel framework for rectifying occlusions and distortions in degraded texture samples from natural images. Traditional texture synthesis approaches focus on generating textures from pristine samples, which necessitate…

图形学 · 计算机科学 2023-09-27 Guoqing Hao , Satoshi Iizuka , Kensho Hara , Edgar Simo-Serra , Hirokatsu Kataoka , Kazuhiro Fukui

Despite significant advances in large-scale text-to-image models, achieving hyper-realistic human image generation remains a desirable yet unsolved task. Existing models like Stable Diffusion and DALL-E 2 tend to generate human images with…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Xian Liu , Jian Ren , Aliaksandr Siarohin , Ivan Skorokhodov , Yanyu Li , Dahua Lin , Xihui Liu , Ziwei Liu , Sergey Tulyakov

Diffusion-based image generators can now produce high-quality and diverse samples, but their success has yet to fully translate to 3D generation: existing diffusion methods can either generate low-resolution but 3D consistent outputs, or…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Animesh Karnewar , Niloy J. Mitra , Andrea Vedaldi , David Novotny

Differentially private (DP) image synthesis aims to generate synthetic images from a sensitive dataset, alleviating the privacy leakage concerns of organizations sharing and utilizing synthetic images. Although previous methods have…

密码学与安全 · 计算机科学 2025-06-24 Kecen Li , Chen Gong , Xiaochen Li , Yuzhong Zhao , Xinwen Hou , Tianhao Wang

This paper presents UltraEdit, a large-scale (approximately 4 million editing samples), automatically generated dataset for instruction-based image editing. Our key idea is to address the drawbacks in existing image editing datasets like…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Haozhe Zhao , Xiaojian Ma , Liang Chen , Shuzheng Si , Rujie Wu , Kaikai An , Peiyu Yu , Minjia Zhang , Qing Li , Baobao Chang

Due to the three-dimensional nature of CT- or MR-scans, generative modeling of medical images is a particularly challenging task. Existing approaches mostly apply patch-wise, slice-wise, or cascaded generation techniques to fit the…

图像与视频处理 · 电气工程与系统科学 2024-10-15 Paul Friedrich , Julia Wolleb , Florentin Bieder , Alicia Durrer , Philippe C. Cattin

Large-scale diffusion generative models are greatly simplifying image, video and 3D asset creation from user-provided text prompts and images. However, the challenging problem of text-to-4D dynamic 3D scene generation with diffusion…

计算机视觉与模式识别 · 计算机科学 2024-05-08 Yufeng Zheng , Xueting Li , Koki Nagano , Sifei Liu , Karsten Kreis , Otmar Hilliges , Shalini De Mello

Satellite-to-street view synthesis aims at generating a realistic street-view image from its corresponding satellite-view image. Although stable diffusion models have exhibit remarkable performance in a variety of image generation…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Weijia Li , Jun He , Junyan Ye , Huaping Zhong , Zhimeng Zheng , Zilong Huang , Dahua Lin , Conghui He

The rapid progression of generative AI (GenAI) technologies has heightened concerns regarding the misuse of AI-generated imagery. To address this issue, robust detection methods have emerged as particularly compelling, especially in…

图形学 · 计算机科学 2025-04-07 Hongfei Cai , Chi Liu , Sheng Shen , Youyang Qu , Peng Gui

We present a novel diffusion-based approach to generate synthetic histopathological Whole Slide Images (WSIs) at an unprecedented gigapixel scale. Synthetic WSIs have many potential applications: They can augment training datasets to…

图像与视频处理 · 电气工程与系统科学 2023-11-15 Robert Harb , Thomas Pock , Heimo Müller

For an artist or a graphic designer, the spatial layout of a scene is a critical design choice. However, existing text-to-image diffusion models provide limited support for incorporating spatial information. This paper introduces Composite…

计算机视觉与模式识别 · 计算机科学 2023-07-27 Vikram Jamwal , Ramaneswaran S

Food image composition requires the use of existing dish images and background images to synthesize a natural new image, while diffusion models have made significant advancements in image generation, enabling the construction of end-to-end…

计算机视觉与模式识别 · 计算机科学 2024-11-04 Chaohua Shi , Xuan Wang , Si Shi , Xule Wang , Mingrui Zhu , Nannan Wang , Xinbo Gao

Current state-of-the-art image generation models such as Latent Diffusion Models (LDMs) have demonstrated the capacity to produce visually striking food-related images. However, these generated images often exhibit an artistic or surreal…

计算机视觉与模式识别 · 计算机科学 2023-12-07 Olivia Markham , Yuhao Chen , Chi-en Amy Tai , Alexander Wong

Diffusion models have achieved remarkable progress across various visual generation tasks. However, their performance significantly declines when generating content at resolutions higher than those used during training. Although numerous…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Zhen Yang , Guibao Shen , Minyang Li , Liang Hou , Mushui Liu , Luozhou Wang , Xin Tao , Ying-Cong Chen

This technical report introduces PIXART-{\delta}, a text-to-image synthesis framework that integrates the Latent Consistency Model (LCM) and ControlNet into the advanced PIXART-{\alpha} model. PIXART-{\alpha} is recognized for its ability…

计算机视觉与模式识别 · 计算机科学 2024-01-11 Junsong Chen , Yue Wu , Simian Luo , Enze Xie , Sayak Paul , Ping Luo , Hang Zhao , Zhenguo Li

Single image super-resolution is the task of inferring a high-resolution image from a single low-resolution input. Traditionally, the performance of algorithms for this task is measured using pixel-wise reconstruction measures such as peak…

计算机视觉与模式识别 · 计算机科学 2018-01-16 Mehdi S. M. Sajjadi , Bernhard Schölkopf , Michael Hirsch

Controllable image synthesis with user scribbles has gained huge public interest with the recent advent of text-conditioned latent diffusion models. The user scribbles control the color composition while the text prompt provides control…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Jaskirat Singh , Stephen Gould , Liang Zheng

While image generation with diffusion models has achieved a great success, generating images of higher resolution than the training size remains a challenging task due to the high computational cost. Current methods typically perform the…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Zhengqiang Zhang , Ruihuang Li , Lei Zhang

Diffusion models excel at producing high-quality images; however, scaling to higher resolutions, such as 4K, often results in over-smoothed content, structural distortions, and repetitive patterns. To this end, we introduce ResMaster, a…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Shuwei Shi , Wenbo Li , Yuechen Zhang , Jingwen He , Biao Gong , Yinqiang Zheng