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Purpose : Because functional MRI (fMRI) data sets are in general small, we sought a data efficient approach to resting state fMRI classification of autism spectrum disorder (ASD) versus neurotypical (NT) controls. We hypothesized that a…

神经元与认知 · 定量生物学 2022-06-23 Joseph Stember , Danielle Stember , Luca Pasquini , Jenabi Merhnaz , Andrei Holodny , Hrithwik Shalu

We introduce deep neural networks for the analysis of anatomical shapes that learn a low-dimensional shape representation from the given task, instead of relying on hand-engineered representations. Our framework is modular and consists of…

计算机视觉与模式识别 · 计算机科学 2020-10-05 Benjamin Gutierrez Becker , Ignacio Sarasua , Christian Wachinger

Resting-state fMRI has been shown to provide surrogate biomarkers for the analysis of various diseases. In addition, fMRI data helps in understanding the brain's functional working during resting state and task-induced activity. To improve…

机器学习 · 计算机科学 2021-10-11 Dushyant Sahoo , Christos Davatzikos

Multiple Sclerosis (MS) is a chronic neurological condition characterized by the development of lesions in the white matter of the brain. T2-fluid attenuated inversion recovery (FLAIR) brain magnetic resonance imaging (MRI) provides…

图像与视频处理 · 电气工程与系统科学 2022-09-01 Jueqi Wang , Derek Berger , Erin Mazerolle , Jean-Alexis Delamer , Jacob Levman

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

Rare diseases affect a relatively small number of people, which limits investment in research for treatments and cures. Developing an efficient method for rare disease detection is a crucial first step towards subsequent clinical research.…

机器学习 · 计算机科学 2018-12-04 Wenyuan Li , Yunlong Wang , Yong Cai , Corey Arnold , Emily Zhao , Yilian Yuan

Autism spectrum disorder (ASD) is one of the major developmental disorders affecting children. Recently, it has been hypothesized that ASD is associated with atypical brain connectivities. A substantial body of researches use Pearson's…

神经元与认知 · 定量生物学 2019-03-06 Biwei Huang , Kun Zhang , Ruben Sanchez-Romero , Joseph Ramsey , Madelyn Glymour , Clark Glymour

Resting-state functional magnetic resonance imaging (rs-fMRI) can reflect spontaneous neural activities in brain and is widely used for brain disorder analysis.Previous studies propose to extract fMRI representations through diverse…

定量方法 · 定量生物学 2023-06-27 Qianqian Wang , Wei Wang , Yuqi Fang , P. -T. Yap , Hongtu Zhu , Hong-Jun Li , Lishan Qiao , Mingxia Liu

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

Major depressive disorder is a serious and heterogeneous psychiatric disorder that needs accurate diagnosis. Resting-state functional MRI (rsfMRI), which captures multiple perspectives on brain structure, function, and connectivity, is…

机器学习 · 计算机科学 2023-08-21 Yunsong Luo , Wenyu Chen , Ling Zhan , Jiang Qiu , Tao Jia

While the prevalence of Autism Spectrum Disorder (ASD) is increasing, research continues in an effort to identify common etiological and pathophysiological bases. In this regard, modern machine learning and network science pave the way for…

图像与视频处理 · 电气工程与系统科学 2020-08-06 Sarah Itani , Dorina Thanou

Rapid advancements in medical image segmentation performance have been significantly driven by the development of Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs). These models follow the discriminative pixel-wise…

图像与视频处理 · 电气工程与系统科学 2024-08-21 Jiayu Huo , Xi Ouyang , Sébastien Ourselin , Rachel Sparks

In modern large-scale observational studies, data collection constraints often result in partially labeled datasets, posing challenges for reliable causal inference, especially due to potential labeling bias and relatively small size of the…

统计方法学 · 统计学 2025-04-22 Yuqian Zhang , Abhishek Chakrabortty , Jelena Bradic

In recent years, deep learning models have been applied to neuroimaging data for early diagnosis of Alzheimer's disease (AD). Structural magnetic resonance imaging (sMRI) and positron emission tomography (PET) images provide structural and…

图像与视频处理 · 电气工程与系统科学 2023-08-01 Yanteng Zhanga , Xiaohai He , Yi Hao Chan , Qizhi Teng , Jagath C. Rajapakse

Functional Magnetic Resonance Imaging (fMRI) provides useful insights into the brain function both during task or rest. Representing fMRI data using correlation matrices is found to be a reliable method of analyzing the inherent…

机器学习 · 计算机科学 2025-01-29 Yicheng Leng , Syed Muhammad Anwar , Islem Rekik , Sen He , Eung-Joo Lee

Generative models based on deep learning have shown significant potential in medical imaging, particularly for modality transformation and multimodal fusion in MRI-based brain imaging. This study introduces GM-LDM, a novel framework that…

图像与视频处理 · 电气工程与系统科学 2025-06-17 Hu Xu , Yang Jingling , Jia Sihan , Bi Yuda , Calhoun Vince

Background and objective: Prior probability shift between training and deployment datasets challenges deep learning-based medical image classification. Standard correction methods reweight posterior probabilities to adjust prior bias, yet…

There have been several attempts to use deep learning based on brain fMRI signals to classify cognitive impairment diseases. However, deep learning is a hidden black box model that makes it difficult to interpret the process of…

机器学习 · 计算机科学 2024-11-20 Jeong-Jae Kim , Yeseul Jeon , SuMin Yu , Junggu Choi , Sanghoon Han

Early and accurate diagnosis of Alzheimer Disease is critical for effective clinical intervention, particularly in distinguishing it from Mild Cognitive Impairment, a prodromal stage marked by subtle structural changes. In this study, we…

图像与视频处理 · 电气工程与系统科学 2025-10-08 Fahad Mostafa , Kannon Hossain , Hafiz Khan

Currently, the diagnosis of Autism Spectrum Disorder (ASD) is dependent upon a subjective, time-consuming evaluation of behavioral tests by an expert clinician. Non-invasive functional MRI (fMRI) characterizes brain connectivity and may be…

机器学习 · 计算机科学 2020-05-26 Cooper J. Mellema , Alex Treacher , Kevin P. Nguyen , Albert Montillo