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Despite the ever-increasing interest in applying deep learning (DL) models to medical imaging, the typical scarcity and imbalance of medical datasets can severely impact the performance of DL models. The generation of synthetic data that…

图像与视频处理 · 电气工程与系统科学 2023-04-03 Pouria Rouzrokh , Bardia Khosravi , Shahriar Faghani , Mana Moassefi , Sanaz Vahdati , Bradley J. Erickson

The Diffusion Probabilistic Model (DPM) has recently gained popularity in the field of computer vision, thanks to its image generation applications, such as Imagen, Latent Diffusion Models, and Stable Diffusion, which have demonstrated…

图像与视频处理 · 电气工程与系统科学 2023-12-27 Junde Wu , Wei Ji , Huazhu Fu , Min Xu , Yueming Jin , Yanwu Xu

Based on the Denoising Diffusion Probabilistic Model (DDPM), medical image segmentation can be described as a conditional image generation task, which allows to compute pixel-wise uncertainty maps of the segmentation and allows an implicit…

图像与视频处理 · 电气工程与系统科学 2022-11-01 Xutao Guo , Yanwu Yang , Chenfei Ye , Shang Lu , Yang Xiang , Ting Ma

The quality of fetal MRI is significantly affected by unpredictable and substantial fetal motion, leading to the introduction of artifacts even when fast acquisition sequences are employed. The development of 3D real-time fetal pose…

图像与视频处理 · 电气工程与系统科学 2024-04-02 Molin Zhang , Polina Golland , Patricia Ellen Grant , Elfar Adalsteinsson

Generative artificial intelligence (AI) has been playing an important role in various domains. Leveraging its high capability to generate high-fidelity and diverse synthetic data, generative AI is widely applied in diagnostic tasks, such as…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Yifan Jiang , Ahmad Shariftabrizi , Venkata SK. Manem

This study aims to improve photon counting CT (PCCT) image resolution using denoising diffusion probabilistic models (DDPM). Although DDPMs have shown superior performance when applied to various computer vision tasks, their effectiveness…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Chuang Niu , Christopher Wiedeman , Mengzhou Li , Jonathan S Maltz , Ge Wang

Developing new methods for the automated analysis of clinical fetal and neonatal MRI data is limited by the scarcity of annotated pathological datasets and privacy concerns that often restrict data sharing, hindering the effectiveness of…

Deep learning methods have impacted almost every research field, demonstrating notable successes in medical imaging tasks such as denoising and super-resolution. However, the prerequisite for deep learning is data at scale, but data sharing…

医学物理 · 物理学 2024-02-16 Yongyi Shi , Wenjun Xia , Chuang Niu , Christopher Wiedeman , Ge Wang

In order to take advantage of AI solutions in endoscopy diagnostics, we must overcome the issue of limited annotations. These limitations are caused by the high privacy concerns in the medical field and the requirement of getting aid from…

图像与视频处理 · 电气工程与系统科学 2023-04-12 Roman Macháček , Leila Mozaffari , Zahra Sepasdar , Sravanthi Parasa , Pål Halvorsen , Michael A. Riegler , Vajira Thambawita

Despite the recent visually-pleasing results achieved, the massive computational cost has been a long-standing flaw for diffusion probabilistic models (DPMs), which, in turn, greatly limits their applications on resource-limited platforms.…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Xingyi Yang , Daquan Zhou , Jiashi Feng , Xinchao Wang

Data scarcity in medical imaging poses significant challenges due to privacy concerns. Diffusion models, a recent generative modeling technique, offer a potential solution by generating synthetic and realistic data. However, questions…

图像与视频处理 · 电气工程与系统科学 2024-12-24 Abdullah al Nomaan Nafi , Md. Alamgir Hossain , Rakib Hossain Rifat , Md Mahabub Uz Zaman , Md Manjurul Ahsan , Shivakumar Raman

Pseudo-healthy image inpainting is an essential preprocessing step for analyzing pathological brain MRI scans. Most current inpainting methods favor slice-wise 2D models for their high in-plane fidelity, but their independence across slices…

图像与视频处理 · 电气工程与系统科学 2025-07-25 Dou Hoon Kwark , Shirui Luo , Xiyue Zhu , Yudu Li , Zhi-Pei Liang , Volodymyr Kindratenko

Medical imaging applications are highly specialized in terms of human anatomy, pathology, and imaging domains. Therefore, annotated training datasets for training deep learning applications in medical imaging not only need to be highly…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Arjun Krishna , Ge Wang , Klaus Mueller

The diffusion model has recently emerged as a potent approach in computer vision, demonstrating remarkable performances in the field of generative artificial intelligence. Capable of producing high-quality synthetic images, diffusion models…

图像与视频处理 · 电气工程与系统科学 2025-05-14 Abdullah , Tao Huang , Ickjai Lee , Euijoon Ahn

Medical image data is less accessible than in other domains due to privacy and regulatory constraints. In addition, labeling requires costly, time-intensive manual image annotation by clinical experts. To overcome these challenges,…

图像与视频处理 · 电气工程与系统科学 2025-07-11 Fangyijie Wang , Kevin Whelan , Félix Balado , Kathleen M. Curran , Guénolé Silvestre

Dataset expansion can effectively alleviate the problem of data scarcity for medical image segmentation, due to privacy concerns and labeling difficulties. However, existing expansion algorithms still face great challenges due to their…

图像与视频处理 · 电气工程与系统科学 2023-06-07 Shitong Shao , Xiaohan Yuan , Zhen Huang , Ziming Qiu , Shuai Wang , Kevin Zhou

Diffusion probabilistic models (DPMs) have exhibited significant effectiveness in computer vision tasks, particularly in image generation. However, their notable performance heavily relies on labelled datasets, which limits their…

计算机视觉与模式识别 · 计算机科学 2024-05-09 Keqiang Fan , Xiaohao Cai , Mahesan Niranjan

Diffusion Probabilistic Models (DPMs) have demonstrated significant potential in 3D medical image segmentation tasks. However, their high computational cost and inability to fully capture global 3D contextual information limit their…

图像与视频处理 · 电气工程与系统科学 2025-04-17 Kangbo Ma

Generally, the small size of public medical imaging datasets coupled with stringent privacy concerns, hampers the advancement of data-hungry deep learning models in medical imaging. This study addresses these challenges for 3D cardiac MRI…

图像与视频处理 · 电气工程与系统科学 2024-07-24 Deniz Daum , Richard Osuala , Anneliese Riess , Georgios Kaissis , Julia A. Schnabel , Maxime Di Folco

Diffusion Probabilistic Models (DPMs) have been recently utilized to deal with various blind image restoration (IR) tasks, where they have demonstrated outstanding performance in terms of perceptual quality. However, the task-specific…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Magauiya Zhussip , Iaroslav Koshelev , Stamatis Lefkimmiatis