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Diffusion MRI (dMRI) of the developing brain can provide valuable insights into the white matter development. However, slice thickness in fetal dMRI is typically high (i.e., 3-5 mm) to freeze the in-plane motion, which reduces the…

图像与视频处理 · 电气工程与系统科学 2022-08-30 Hamza Kebiri , Gabriel Girard , Yasser Aleman-Gomez , Thomas Yu , Andras Jakab , Erick Jorge Canales-Rodriguez , Meritxell Bach Cuadra

Recovering high-fidelity 3D images from sparse or degraded 2D images is a fundamental challenge in medical imaging, with broad applications ranging from 3D ultrasound reconstruction to MRI super-resolution. In the context of fetal MRI,…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Maik Dannecker , Steven Jia , Nil Stolt-Ansó , Nadine Girard , Guillaume Auzias , François Rousseau , Daniel Rueckert

Stable Diffusion (SD) has gained a lot of attention in recent years in the field of Generative AI thus helping in synthesizing medical imaging data with distinct features. The aim is to contribute to the ongoing effort focused on overcoming…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Ayman Abaid , Muhammad Ali Farooq , Niamh Hynes , Peter Corcoran , Ihsan Ullah

The manifestation of symptoms associated with lung diseases can vary in different depths for individual patients, highlighting the significance of 3D information in CT scans for medical image classification. While Vision Transformer has…

图像与视频处理 · 电气工程与系统科学 2024-06-28 Zihao Jin , Yingying Fang , Jiahao Huang , Caiwen Xu , Simon Walsh , Guang Yang

Brain metastasis segmentation poses a significant challenge in medical imaging due to the complex presentation and variability in size and location of metastases. In this study, we first investigate the impact of different imaging…

图像与视频处理 · 电气工程与系统科学 2024-07-22 Yousef Sadegheih , Dorit Merhof

Current anomaly detection methods excel with benchmark industrial data but struggle with natural images and medical data due to varying definitions of 'normal' and 'abnormal.' This makes accurate identification of deviations in these fields…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Zeduo Zhang , Yalda Mohsenzadeh

Recent studies have shown that diffusion models produce superior synthetic images when compared to Generative Adversarial Networks (GANs). However, their outputs are often non-deterministic and lack high fidelity to the ground truth due to…

图像与视频处理 · 电气工程与系统科学 2025-03-31 Qisheng He , Nicholas Summerfield , Peiyong Wang , Carri Glide-Hurst , Ming Dong

Diffusion MRI (dMRI) is essential for studying brain microstructure, but high-resolution imaging remains challenging due to the inherent trade-offs between acquisition time and signal-to-noise ratio (SNR). Conventional methods often…

图像与视频处理 · 电气工程与系统科学 2025-05-20 Yinzhe Wu , Jiahao Huang , Fanwen Wang , Mengze Gao , Congyu Liao , Guang Yang , Kawin Setsompop

When using Convolutional Neural Networks (CNNs) for segmentation of organs and lesions in medical images, the conventional approach is to work with inputs and outputs either as single slice (2D) or whole volumes (3D). One common…

图像与视频处理 · 电气工程与系统科学 2020-11-17 Minh H. Vu , Guus Grimbergen , Tufve Nyholm , Tommy Löfstedt

Neuroanatomical segmentation in magnetic resonance imaging (MRI) of the brain is a prerequisite for volume, thickness and shape measurements. This work introduces a new highly accurate and versatile method based on 3D convolutional neural…

定量方法 · 定量生物学 2019-02-07 Philip Novosad , Vladimir Fonov , D. Louis Collins

Stroke is among the top three causes of death worldwide, and accurate identification of ischemic stroke lesion boundaries from imaging is critical for diagnosis and treatment. The main imaging modalities used include magnetic resonance…

图像与视频处理 · 电气工程与系统科学 2025-08-25 Juampablo E. Heras Rivera , Hitender Oswal , Tianyi Ren , Yutong Pan , William Henry , Caitlin M. Neher , Mehmet Kurt

Over the last decade, convolutional neural networks have emerged and advanced the state-of-the-art in various image analysis and computer vision applications. The performance of 2D image classification networks is constantly improving and…

图像与视频处理 · 电气工程与系统科学 2023-08-01 Hicham Messaoudi , Ahror Belaid , Douraied Ben Salem , Pierre-Henri Conze

Transfer learning has gained attention in medical image analysis due to limited annotated 3D medical datasets for training data-driven deep learning models in the real world. Existing 3D-based methods have transferred the pre-trained models…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Eunji Jun , Seungwoo Jeong , Da-Woon Heo , Heung-Il Suk

In this paper, an automatic algorithm aimed at volumetric segmentation of acute ischemic stroke lesion in non-contrast computed tomography brain 3D images is proposed. Our deep-learning approach is based on the popular 3D U-Net…

图像与视频处理 · 电气工程与系统科学 2023-10-31 A. V. Dobshik , S. K. Verbitskiy , I. A. Pestunov , K. M. Sherman , Yu. N. Sinyavskiy , A. A. Tulupov , V. B. Berikov

Denoising diffusion models (DDM) have gained recent traction in medical image translation given improved training stability over adversarial models. DDMs learn a multi-step denoising transformation to progressively map random Gaussian-noise…

图像与视频处理 · 电气工程与系统科学 2024-05-14 Fuat Arslan , Bilal Kabas , Onat Dalmaz , Muzaffer Ozbey , Tolga Çukur

Efficient and accurate multi-organ segmentation from abdominal CT volumes is a fundamental challenge in medical image analysis. Existing 3D segmentation approaches are computationally and memory intensive, often processing entire volumes…

图像与视频处理 · 电气工程与系统科学 2025-05-19 Hania Ghouse , Muzammil Behzad

Purpose: To implement a brain segmentation pipeline based on convolutional neural networks, which rapidly segments 3D volumes into 27 anatomical structures. To provide an extensive, comparative study of segmentation performance on various…

图像与视频处理 · 电气工程与系统科学 2020-08-12 Jonathan Zopes , Moritz Platscher , Silvio Paganucci , Christian Federau

Ischemic stroke, caused by cerebral vessel occlusion, presents substantial challenges in medical imaging due to the variability and subtlety of stroke lesions. Magnetic Resonance Imaging (MRI) plays a crucial role in diagnosing and managing…

图像与视频处理 · 电气工程与系统科学 2025-01-07 Ashiqur Rahman , Muhammad E. H. Chowdhury , Md Sharjis Ibne Wadud , Rusab Sarmun , Adam Mushtak , Sohaib Bassam Zoghoul , Israa Al-Hashimi

Skull stripping magnetic resonance images (MRI) of the human brain is an important process in many image processing techniques, such as automatic segmentation of brain structures. Numerous methods have been developed to perform this task,…

图像与视频处理 · 电气工程与系统科学 2026-04-16 Hjalti Thrastarson , Lotta M. Ellingsen

Variations in Magnetic resonance imaging (MRI) scanners and acquisition protocols cause distribution shifts that degrade reconstruction performance on unseen data. Test-time adaptation (TTA) offers a promising solution to address this…

图像与视频处理 · 电气工程与系统科学 2025-07-15 Lipei Zhang , Rui Sun , Zhongying Deng , Yanqi Cheng , Carola-Bibiane Schönlieb , Angelica I Aviles-Rivero