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Despite recent advances in medical image generation, existing methods struggle to produce anatomically plausible 3D structures. In synthetic brain magnetic resonance images (MRIs), characteristic fissures are often missing, and…

计算机视觉与模式识别 · 计算机科学 2025-02-19 Fabian Bongratz , Yitong Li , Sama Elbaroudy , Christian Wachinger

Magnetic Resonance Imaging (MRI) plays a crucial role in brain disease diagnosis, but it is not always feasible for certain patients due to physical or clinical constraints. Recent studies attempt to synthesize MRI from Computed Tomography…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Junming Liu , Yifei Sun , Weihua Cheng , Yujin Kang , Yirong Chen , Ding Wang , Guosun Zeng

Diffusion tensor imaging (DTI) provides crucial insights into the microstructure of the human brain, but it can be time-consuming to acquire compared to more readily available T1-weighted (T1w) magnetic resonance imaging (MRI). To address…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Shaorong Zhang , Tamoghna Chattopadhyay , Sophia I. Thomopoulos , Jose-Luis Ambite , Paul M. Thompson , Greg Ver Steeg

3D medical imaging is in high demand and essential for clinical diagnosis and scientific research. Currently, diffusion models (DMs) have become an effective tool for medical imaging reconstruction thanks to their ability to learn rich,…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Chenhe Du , Qing Wu , Xuanyu Tian , Jingyi Yu , Hongjiang Wei , Yuyao Zhang

Contrast-enhanced computed tomography (CT) imaging is essential for diagnosing and monitoring thoracic diseases, including aortic pathologies. However, contrast agents pose risks such as nephrotoxicity and allergic-like reactions. The…

图像与视频处理 · 电气工程与系统科学 2025-09-08 Pouya Shiri , Xin Yi , Neel P. Mistry , Samaneh Javadinia , Mohammad Chegini , Seok-Bum Ko , Amirali Baniasadi , Scott J. Adams

Computed tomography (CT) is a cornerstone imaging modality for non-invasive, high-resolution visualization of internal anatomical structures. However, when the scanned object exceeds the scanner's field of view (FOV), projection data are…

图像与视频处理 · 电气工程与系统科学 2026-04-09 Zhenhao Li , Song Ni , Long Yang , Xiaojie Yin , Haijun Yu , Jiazhou Wang , Hongbin Han , Weigang Hu , Yixing Huang

For 3D medical image (e.g. CT and MRI) segmentation, the difficulty of segmenting each slice in a clinical case varies greatly. Previous research on volumetric medical image segmentation in a slice-by-slice manner conventionally use the…

图像与视频处理 · 电气工程与系统科学 2022-07-12 Wenxuan Wang , Chen Chen , Jing Wang , Sen Zha , Yan Zhang , Jiangyun Li

Recently, deep convolutional neural networks have achieved great success for medical image segmentation. However, unlike segmentation of natural images, most medical images such as MRI and CT are volumetric data. In order to make full use…

图像与视频处理 · 电气工程与系统科学 2022-02-08 Yichi Zhang , Qingcheng Liao , Le Ding , Jicong Zhang

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

MRI and CT are essential clinical cross-sectional imaging techniques for diagnosing complex conditions. However, large 3D datasets with annotations for deep learning are scarce. While methods like DINOv2 are encouraging for 2D image…

图像与视频处理 · 电气工程与系统科学 2025-07-10 Gustav Müller-Franzes , Firas Khader , Robert Siepmann , Tianyu Han , Jakob Nikolas Kather , Sven Nebelung , Daniel Truhn

Image-to-Image translation models can help mitigate various challenges inherent to medical image acquisition. Latent diffusion models (LDMs) leverage efficient learning in compressed latent space and constitute the core of state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2025-10-13 Junhyeok Lee , Hyunwoong Kim , Hyungjin Chung , Heeseong Eom , Joon Jang , Chul-Ho Sohn , Kyu Sung Choi

Current methods for searching brain MR images rely on text-based approaches, highlighting a significant need for content-based image retrieval (CBIR) systems. Directly applying 3D brain MR images to machine learning models offers the…

计算机视觉与模式识别 · 计算机科学 2025-09-22 Shuhei Tomoshige , Hayato Muraki , Kenichi Oishi , Hitoshi Iyatomi

Magnetic Resonance Imaging (MRI) is a crucial diagnostic tool, but high-resolution scans are often slow and expensive due to extensive data acquisition requirements. Traditional MRI reconstruction methods aim to expedite this process by…

图像与视频处理 · 电气工程与系统科学 2025-11-11 Emmanuelle Bourigault , Abdullah Hamdi , Amir Jamaludin

Transfer learning has remarkably improved computer vision. These advances also promise improvements in neuroimaging, where training set sizes are often small. However, various difficulties arise in directly applying models pretrained on…

Image-to-image translation is an important and challenging problem in computer vision and image processing. Diffusion models (DM) have shown great potentials for high-quality image synthesis, and have gained competitive performance on the…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Bo Li , Kaitao Xue , Bin Liu , Yu-Kun Lai

Automated segmentation of medical imaging is of broad interest to clinicians and machine learning researchers alike. The goal of segmentation is to increase efficiency and simplicity of visualization and quantification of regions of…

图像与视频处理 · 电气工程与系统科学 2020-06-04 Shruti Jadon , Owen P. Leary , Ian Pan , Tyler J. Harder , David W. Wright , Lisa H. Merck , Derek L. Merck

MRI provides superior soft tissue contrast without ionizing radiation; however, the absence of electron density information limits its direct use for dose calculation. As a result, current radiotherapy workflows rely on combined MRI and CT…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Zolnamar Dorjsembe , Hung-Yi Chen , Furen Xiao , Hsing-Kuo Pao

Despite the increasing use of deep learning in medical image segmentation, the limited availability of annotated training data remains a major challenge due to the time-consuming data acquisition and privacy regulations. In the context of…

图像与视频处理 · 电气工程与系统科学 2024-06-11 Aghiles Kebaili , Jérôme Lapuyade-Lahorgue , Pierre Vera , Su Ruan

Deep Learning for neuroimaging data is a promising but challenging direction. The high dimensionality of 3D MRI scans makes this endeavor compute and data-intensive. Most conventional 3D neuroimaging methods use 3D-CNN-based architectures…

图像与视频处理 · 电气工程与系统科学 2021-02-10 Umang Gupta , Pradeep K. Lam , Greg Ver Steeg , Paul M. Thompson

The Diffusion Model (DM) has emerged as the SOTA approach for image synthesis. However, the existing DM cannot perform well on some image-to-image translation (I2I) tasks. Different from image synthesis, some I2I tasks, such as…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Bin Xia , Yulun Zhang , Shiyin Wang , Yitong Wang , Xinglong Wu , Yapeng Tian , Wenming Yang , Radu Timotfe , Luc Van Gool
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