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Functional magnetic resonance imaging (fMRI) is one of the most popular methods for studying the human brain. Task-related fMRI data processing aims to determine which brain areas are activated when a specific task is performed and is…

信号处理 · 电气工程与系统科学 2022-10-18 Paris A. Karakasis , Athanasios P. Liavas , Nicholas D. Sidiropoulos , Panagiotis G. Simos , Efrosini Papadaki

Segmentation of fetal brain tissue from magnetic resonance imaging (MRI) plays a crucial role in the study of in utero neurodevelopment. However, automated tools face substantial domain shift challenges as they must be robust to highly…

图像与视频处理 · 电气工程与系统科学 2024-10-15 Vladyslav Zalevskyi , Thomas Sanchez , Margaux Roulet , Jordina Aviles Verddera , Jana Hutter , Hamza Kebiri , Meritxell Bach Cuadra

Using single-task deep learning methods to reconstruct Magnetic Resonance Imaging (MRI) data acquired with different imaging sequences is inherently challenging. The trained deep learning model typically lacks generalizability, and the…

图像与视频处理 · 电气工程与系统科学 2024-04-23 Wanyu Bian , Albert Jang , Fang Liu

This study presents an integrated approach for advancing functional Near-Infrared Spectroscopy (fNIRS) neuroimaging through the synthesis of data and application of machine learning models. By addressing the scarcity of high-quality…

信号处理 · 电气工程与系统科学 2024-05-21 Eitan Waks

Synthesizing realistic medical images provides a feasible solution to the shortage of training data in deep learning based medical image recognition systems. However, the quality control of synthetic images for data augmentation purposes is…

计算机视觉与模式识别 · 计算机科学 2020-08-27 Jiarong Ye , Yuan Xue , L. Rodney Long , Sameer Antani , Zhiyun Xue , Keith Cheng , Xiaolei Huang

In order to achieve good performance and generalisability, medical image segmentation models should be trained on sizeable datasets with sufficient variability. Due to ethics and governance restrictions, and the costs associated with…

计算机视觉与模式识别 · 计算机科学 2023-11-22 Virginia Fernandez , Walter Hugo Lopez Pinaya , Pedro Borges , Petru-Daniel Tudosiu , Mark S Graham , Tom Vercauteren , M Jorge Cardoso

Compared to traditional methods, Deep Learning (DL) becomes a key technology for computer vision tasks. Synthetic data generation is an interesting use case for DL, especially in the field of medical imaging such as Magnetic Resonance…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Md Sumon Ali , Muzammil Behzad

Functional magnetic resonance imaging (fMRI) is a powerful tool for investigating human brain function. However, the high cost of data acquisition and the inherent subjectivity of psychiatric rating scales often lead to datasets with small…

Recurrent neural networks (RNNs) were designed for dealing with time-series data and have recently been used for creating predictive models from functional magnetic resonance imaging (fMRI) data. However, gathering large fMRI datasets for…

图像与视频处理 · 电气工程与系统科学 2019-10-16 Nicha C. Dvornek , Xiaoxiao Li , Juntang Zhuang , James S. Duncan

The generalizability of machine learning (ML) models for wearable monitoring in stroke rehabilitation is often constrained by the limited scale and heterogeneity of available data. Data augmentation addresses this challenge by adding…

机器学习 · 计算机科学 2024-11-01 Aaron J. Hadley , Christopher L. Pulliam

Functional magnetic resonance imaging (fMRI) is an emerging neuroimaging modality that is commonly modeled as networks of Regions of Interest (ROIs) and their connections, named functional connectivity, for understanding the brain functions…

神经元与认知 · 定量生物学 2024-10-01 Haokai Zhao , Haowei Lou , Lina Yao , Yu Zhang

Deep neural networks trained on Functional Connectivity (FC) networks extracted from functional Magnetic Resonance Imaging (fMRI) data have gained popularity due to the increasing availability of data and advances in model architectures,…

机器学习 · 计算机科学 2023-12-05 Jungwon Choi , Seongho Keum , EungGu Yun , Byung-Hoon Kim , Juho Lee

Realistic synthetic image data rendered from 3D models can be used to augment image sets and train image classification semantic segmentation models. In this work, we explore how high quality physically-based rendering and domain…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Jason W. Anderson , Marcin Ziolkowski , Ken Kennedy , Amy W. Apon

Functional MRI measuring BOLD signal is an increasingly important imaging modality in studying brain functions and neurological disorders. It can be acquired in either a resting-state or a task-based paradigm. Compared to resting-state…

图像与视频处理 · 电气工程与系统科学 2025-02-18 Jiyao Wang , Nicha C. Dvornek , Peiyu Duan , Lawrence H. Staib , James S. Duncan

Multi-contrast MRI acquisitions of an anatomy enrich the magnitude of information available for diagnosis. Yet, excessive scan times associated with additional contrasts may be a limiting factor. Two mainstream approaches for enhanced scan…

计算机视觉与模式识别 · 计算机科学 2018-05-29 Salman Ul Hassan Dar , Mahmut Yurt , Mohammad Shahdloo , Muhammed Emrullah Ildız , Tolga Çukur

The use of synthetic data has emerged as an essential tool in Magnetic Resonance Spectroscopy (MRS) research and applications, providing advantages for optimization of acquisition, software validation, deep learning applications, and…

Generative modelling and synthetic data can be a surrogate for real medical imaging datasets, whose scarcity and difficulty to share can be a nuisance when delivering accurate deep learning models for healthcare applications. In recent…

图像与视频处理 · 电气工程与系统科学 2024-02-27 Virginia Fernandez , Walter Hugo Lopez Pinaya , Pedro Borges , Mark S. Graham , Tom Vercauteren , M. Jorge Cardoso

Aggregating multi-subject functional magnetic resonance imaging (fMRI) data is indispensable for generating valid and general inferences from patterns distributed across human brains. The disparities in anatomical structures and functional…

机器学习 · 计算机科学 2019-11-20 Weida Li , Mingxia Liu , Fang Chen , Daoqiang Zhang

In the field of radiotherapy, accurate imaging and image registration are of utmost importance for precise treatment planning. Magnetic Resonance Imaging (MRI) offers detailed imaging without being invasive and excels in soft-tissue…

图像与视频处理 · 电气工程与系统科学 2023-11-29 Saba Nikbakhsh , Lachin Naghashyar , Morteza Valizadeh , Mehdi Chehel Amirani

Supervised deep learning methods typically rely on large datasets for training. Ethical and practical considerations usually make it difficult to access large amounts of healthcare data, such as medical images, with known task-specific…

医学物理 · 物理学 2023-05-26 Marta Varela , Anil A Bharath