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Functional Magnetic Resonance Imaging (fMRI) is a non-invasive technique for studying brain activity. During an fMRI session, the subject executes a set of tasks (task-related fMRI study) or no tasks (resting-state fMRI), and a sequence of…

图像与视频处理 · 电气工程与系统科学 2023-10-10 Christos Theodoropoulos , Christos Chatzichristos , Sabine Van Huffel

Resting-state functional magnetic resonance imaging (rsfMRI) is a powerful tool for investigating the relationship between brain function and cognitive processes as it allows for the functional organization of the brain to be captured…

机器学习 · 计算机科学 2025-02-25 Bishal Thapaliya , Esra Akbas , Jiayu Chen , Raam Sapkota , Bhaskar Ray , Pranav Suresh , Vince Calhoun , Jingyu Liu

We present two multimodal fusion-based deep learning models that consume ASR transcribed speech and acoustic data simultaneously to classify whether a speaker in a structured diagnostic task has Alzheimer's Disease and to what degree,…

计算与语言 · 计算机科学 2021-07-01 Morteza Rohanian , Julian Hough , Matthew Purver

This paper studies the link between resting-state functional connectivity (FC), measured by the correlations of the fMRI BOLD time courses, and structural connectivity (SC), estimated through fiber tractography. Instead of a static analysis…

Deep reinforcement learning(DRL) is increasingly being explored in medical imaging. However, the environments for medical imaging tasks are constantly evolving in terms of imaging orientations, imaging sequences, and pathologies. To that…

机器学习 · 计算机科学 2023-06-02 Guangyao Zheng , Shuhao Lai , Vladimir Braverman , Michael A. Jacobs , Vishwa S. Parekh

Mental disorders present challenges in diagnosis and treatment due to their complex and heterogeneous nature. Electroencephalogram (EEG) has shown promise as a potential biomarker for these disorders. However, existing methods for analyzing…

统计方法学 · 统计学 2024-01-30 Xingche Guo , Bin Yang , Ji Meng Loh , Qinxia Wang , Yuanjia Wang

Building comprehensive brain connectomes has proved of fundamental importance in resting-state fMRI (rs-fMRI) analysis. Based on the foundation of brain network, spatial-temporal-based graph convolutional networks have dramatically improved…

机器学习 · 计算机科学 2023-12-19 Rui Yang , Wenrui Dai , Huajun She , Yiping P. Du , Dapeng Wu , Hongkai Xiong

Deep learning (DL) finds rich applications in the wireless domain to improve spectrum awareness. Typically, DL models are either randomly initialized following a statistical distribution or pretrained on tasks from other domains in the form…

网络与互联网体系结构 · 计算机科学 2022-11-02 Kemal Davaslioglu , Serdar Boztas , Mehmet Can Ertem , Yalin E. Sagduyu , Ender Ayanoglu

Medical image segmentation is clinically important, yet data privacy and the cost of expert annotation limit the availability of labeled data. Federated semi-supervised learning (FSSL) offers a solution but faces two challenges:…

计算机视觉与模式识别 · 计算机科学 2025-11-19 Sahar Nasirihaghighi , Negin Ghamsarian , Yiping Li , Marcel Breeuwer , Raphael Sznitman , Klaus Schoeffmann

Linguistic anomalies detectable in spontaneous speech have shown promise for various clinical applications including screening for dementia and other forms of cognitive impairment. The feasibility of deploying automated tools that can…

音频与语音处理 · 电气工程与系统科学 2022-11-15 Changye Li , Trevor Cohen , Serguei Pakhomov

Single subject prediction of brain disorders from neuroimaging data has gained increasing attention in recent years. Yet, for some heterogeneous disorders such as major depression disorder (MDD) and autism spectrum disorder (ASD), the…

机器学习 · 计算机科学 2022-06-08 Ahmed El Gazzar , Rajat Mani Thomas , Guido Van Wingen

Active learning (AL) is a machine learning algorithm that can achieve greater accuracy with fewer labeled training instances, for having the ability to ask oracles to label the most valuable unlabeled data chosen iteratively and…

机器学习 · 计算机科学 2022-09-30 Ruoyu Wang

Single-subject mapping of resting-state brain functional activity to non-imaging phenotypes is a major goal of neuroimaging. The large majority of learning approaches applied today rely either on static representations or on short-term…

机器学习 · 计算机科学 2022-08-09 Ahmed El-Gazzar , Rajat Mani Thomas , Guido Van Wingen

Alzheimer's Dementia (AD) represents one of the most pressing challenges in the field of neurodegenerative disorders, with its progression analysis being crucial for understanding disease dynamics and developing targeted interventions.…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Jacob Thrasher , Alina Devkota , Ahmed Tafti , Binod Bhattarai , Prashnna Gyawali

Much recent attention has been paid to quantifying anatomic and functional neuroimaging on the individual subject level. For optimal individual subject characterization, specific acquisition and analysis features need to be identified that…

The existence of completely aligned and paired multi-modal neuroimaging data has proved its effectiveness in the diagnosis of brain diseases. However, collecting the full set of well-aligned and paired data is impractical, since the…

图像与视频处理 · 电气工程与系统科学 2022-07-19 Jinbao Wang , Guoyang Xie , Yawen Huang , Yefeng Zheng , Yaochu Jin , Feng Zheng

Formal thought disorder (FTD), a hallmark of schizophrenia spectrum disorders, manifests as incoherent speech and poses challenges for clinical assessment. Traditional clinical rating scales, though validated, are resource-intensive and…

Functional magnetic resonance imaging (fMRI) is a neuroimaging modality that captures the blood oxygen level in a subject's brain while the subject either rests or performs a variety of functional tasks under different conditions. Given…

计算机视觉与模式识别 · 计算机科学 2021-01-20 Sam Nguyen , Brenda Ng , Alan D. Kaplan , Priyadip Ray

Ultrasound (US) is a non-invasive yet effective medical diagnostic imaging technique for the COVID-19 global pandemic. However, due to complex feature behaviors and expensive annotations of US images, it is difficult to apply Artificial…

计算机视觉与模式识别 · 计算机科学 2021-03-02 Lei Liu , Wentao Lei , Yongfang Luo , Cheng Feng , Xiang Wan , Li Liu

The autism dataset is studied to identify the differences between autistic and healthy groups. For this, the resting-state Functional Magnetic Resonance Imaging (rs-fMRI) data of the two groups are analyzed, and networks of connections…

图像与视频处理 · 电气工程与系统科学 2022-12-05 Ramchandra Rimal , Mitchell Brannon , Yingxin Wang , Xin Yang