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Deep learning has been successful in predicting neurodegenerative disorders, such as Alzheimer's disease, from magnetic resonance imaging (MRI). Combining multiple imaging modalities, such as T1-weighted (T1) and diffusion-weighted imaging…

In medical imaging, access to data is commonly limited due to patient privacy restrictions and the issue that it can be difficult to acquire enough data in the case of rare diseases.[1] The purpose of this investigation was to develop a…

计算机视觉与模式识别 · 计算机科学 2024-03-29 John R. McNulty , Lee Kho , Alexandria L. Case , Charlie Fornaca , Drew Johnston , David Slater , Joshua M. Abzug , Sybil A. Russell

Virtual stain transfer is a promising area of research in Computational Pathology, which has a great potential to alleviate important limitations when applying deeplearningbased solutions such as lack of annotations and sensitivity to a…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Jelica Vasiljević , Friedrich Feuerhake , Cédric Wemmert , Thomas Lampert

We consider a missing data problem in the context of automatic segmentation methods for Magnetic Resonance Imaging (MRI) brain scans. Usually, automated MRI scan segmentation is based on multiple scans (e.g., T1-weighted, T2-weighted, T1CE,…

图像与视频处理 · 电气工程与系统科学 2024-05-06 Giulia Baldini , Melanie Schmidt , Charlotte Zäske , Liliana L. Caldeira

Purpose A Magnetic Resonance Imaging (MRI) exam typically consists of several sequences that yield different image contrasts. Each sequence is parameterized through multiple acquisition parameters that influence image contrast,…

图像与视频处理 · 电气工程与系统科学 2022-02-23 Jonas Denck , Jens Guehring , Andreas Maier , Eva Rothgang

Generative adversarial networks using a cycle-consistency loss facilitate unpaired training of image-translation models and thereby exhibit a very high potential in manifold medical applications. However, the fact that images in one domain…

图像与视频处理 · 电气工程与系统科学 2021-01-12 Michael Gadermayr , Maximilian Tschuchnig , Laxmi Gupta , Dorit Merhof , Nils Krämer , Daniel Truhn , Burkhard Gess

Transfer learning refers to machine learning techniques that focus on acquiring knowledge from related tasks to improve generalization in the tasks of interest. In MRI, transfer learning is important for developing strategies that address…

图像与视频处理 · 电气工程与系统科学 2021-04-05 Juan Miguel Valverde , Vandad Imani , Ali Abdollahzadeh , Riccardo De Feo , Mithilesh Prakash , Robert Ciszek , Jussi Tohka

Magnetic Resonance Angiography (MRA) has become an essential MR contrast for imaging and evaluation of vascular anatomy and related diseases. MRA acquisitions are typically ordered for vascular interventions, whereas in typical scenarios,…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Sahin Olut , Yusuf Huseyin Sahin , Ugur Demir , Gozde Unal

Recent advances in generative AI have brought incredible breakthroughs in several areas, including medical imaging. These generative models have tremendous potential not only to help safely share medical data via synthetic datasets but also…

We present an algorithm for creating high resolution anatomically plausible images consistent with acquired clinical brain MRI scans with large inter-slice spacing. Although large data sets of clinical images contain a wealth of…

计算机视觉与模式识别 · 计算机科学 2019-03-14 Adrian V. Dalca , Katherine L. Bouman , William T. Freeman , Natalia S. Rost , Mert R. Sabuncu , Polina Golland

Automated brain tumor segmentation methods have become well-established and reached performance levels offering clear clinical utility. These methods typically rely on four input magnetic resonance imaging (MRI) modalities: T1-weighted…

Multi-modality magnetic resonance imaging (MRI) is essential for the diagnosis and treatment of brain tumors. However, missing modalities are commonly observed due to limitations in scan time, scan corruption, artifacts, motion, and…

图像与视频处理 · 电气工程与系统科学 2025-01-08 Xiaojiao Xiao , Qinmin Vivian Hu , Guanghui Wang

Decoding human brain activities via functional magnetic resonance imaging (fMRI) has gained increasing attention in recent years. While encouraging results have been reported in brain states classification tasks, reconstructing the details…

人工智能 · 计算机科学 2017-07-12 Changde Du , Changying Du , Huiguang He

In this article, we present a Latent Diffusion Model (LDM) for the generation of brain Magnetic Resonance Imaging (MRI), conditioning its generation based on pathology (Healthy, Glioblastoma, Sclerosis, Dementia) and acquisition modality…

Recent advances in MRI reconstruction have demonstrated remarkable success through deep learning-based models. However, most existing methods rely heavily on large-scale, task-specific datasets, making reconstruction in data-limited…

计算机视觉与模式识别 · 计算机科学 2025-02-20 Guoyao Shen , Yancheng Zhu , Mengyu Li , Ryan McNaughton , Hernan Jara , Sean B. Andersson , Chad W. Farris , Stephan Anderson , Xin Zhang

Generative AI models hold great potential in creating synthetic brain MRIs that advance neuroimaging studies by, for example, enriching data diversity. However, the mainstay of AI research only focuses on optimizing the visual quality (such…

图像与视频处理 · 电气工程与系统科学 2023-10-10 Wei Peng , Tomas Bosschieter , Jiahong Ouyang , Robert Paul , Ehsan Adeli , Qingyu Zhao , Kilian M. Pohl

Age-Related Macular Degeneration (AMD) is an asymptomatic retinal disease which may result in loss of vision. There is limited access to high-quality relevant retinal images and poor understanding of the features defining sub-classes of…

计算机视觉与模式识别 · 计算机科学 2019-02-13 Yi-Chieh Liu , Hao-Hsiang Yang , Chao-Han Huck Yang , Jia-Hong Huang , Meng Tian , Hiromasa Morikawa , Yi-Chang James Tsai , Jesper Tegner

As a powerful technique in medical imaging, image synthesis is widely used in applications such as denoising, super resolution and modality transformation etc. Recently, the revival of deep neural networks made immense progress in the field…

图像与视频处理 · 电气工程与系统科学 2021-04-23 Gengyan Zhao , Mary E. Meyerand , Rasmus M. Birn

Magnetic Resonance Imaging (MRI) is the primary imaging modality used in the diagnosis, assessment, and treatment planning for brain pathologies. However, most automated MRI analysis tools, such as segmentation and registration pipelines,…

Although many studies have successfully applied transfer learning to medical image segmentation, very few of them have investigated the selection strategy when multiple source tasks are available for transfer. In this paper, we propose a…

图像与视频处理 · 电气工程与系统科学 2023-01-04 Yicong Li , Yang Tan , Jingyun Yang , Yang Li , Xiao-Ping Zhang