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Brain functional connectivity (FC) extracted from resting-state fMRI (RS-fMRI) has become a popular approach for disease diagnosis, where discriminating subjects with mild cognitive impairment (MCI) from normal controls (NC) is still one of…

计算机视觉与模式识别 · 计算机科学 2018-08-31 Weizheng Yan , Han Zhang , Jing Sui , Dinggang Shen

Classification of whole-brain functional connectivity MRI data with convolutional neural networks (CNNs) has shown promise, but the complexity of these models impedes understanding of which aspects of brain activity contribute to…

神经元与认知 · 定量生物学 2020-05-28 Matthew Leming , John Suckling

Fetal brain segmentation is an important first step for slice-level motion correction and slice-to-volume reconstruction in fetal MRI. Fast and accurate segmentation of the fetal brain on fetal MRI is required to achieve real-time fetal…

图像与视频处理 · 电气工程与系统科学 2022-05-05 Razieh Faghihpirayesh , Davood Karimi , Deniz Erdogmus , Ali Gholipour

Advances in data analysis and machine learning have revolutionized the study of brain signatures using fMRI, enabling non-invasive exploration of cognition and behavior through individual neural patterns. Functional connectivity (FC), which…

图像与视频处理 · 电气工程与系统科学 2025-10-31 Yashaswini , Sanjay Ghosh

Task-specific functional MRI (fMRI) images provide excellent modalities for studying the neuronal basis of cognitive processes. We use fMRI data to formulate and solve the problem of deconvolving task-specific aggregate neuronal networks…

神经元与认知 · 定量生物学 2024-07-04 Yifan Wang , Vikram Ravindra , Ananth Grama

With the advent of brain imaging techniques and machine learning tools, much effort has been devoted to building computational models to capture the encoding of visual information in the human brain. One of the most challenging brain…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Zarina Rakhimberdina , Quentin Jodelet , Xin Liu , Tsuyoshi Murata

Functional MRI data exhibit high-dimensional spatiotemporal structure, making both prediction and decoding challenging. In this work, we investigate neural integral-operator-based models for encoding and decoding tasks in fMRI, with…

机器学习 · 计算机科学 2026-05-21 Andreas Kramer , Saugat Acharya , Alice Giola , Emanuele Zappala

Understanding brain dynamics is important for neuroscience and mental health. Functional magnetic resonance imaging (fMRI) enables the measurement of neural activities through blood-oxygen-level-dependent (BOLD) signals, which represent…

神经元与认知 · 定量生物学 2025-06-16 Yifei Sun , Daniel Chahine , Qinghao Wen , Tianming Liu , Xiang Li , Yixuan Yuan , Fernando Calamante , Jinglei Lv

In neuroimaging analysis, fMRI can well assess the function changes for brain diseases with no obvious structural lesions. To date, most deep-learning-based fMRI studies have employed functional connectivity (FC) as the basic feature for…

图像与视频处理 · 电气工程与系统科学 2023-03-03 Wei Dai , Ziyao Zhang , Lixia Tian , Shengyuan Yu , Shuhui Wang , Zhao Dong , Hairong Zheng

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

Functional magnetic resonance imaging (fMRI) is essential for developing encoding models that identify functional changes in language-related brain areas of individuals with Neurocognitive Disorders (NCD). While large language model…

神经元与认知 · 定量生物学 2024-07-16 Yuejiao Wang , Xianmin Gong , Lingwei Meng , Xixin Wu , Helen Meng

Functional MRI (fMRI) is widely used to examine brain functionality by detecting alteration in oxygenated blood flow that arises with brain activity. In this study, complexity specific image categorization across different visual datasets…

图像与视频处理 · 电气工程与系统科学 2023-09-08 Vamshi K. Kancharala , Debanjali Bhattacharya , Neelam Sinha

One approach, for understanding human brain functioning, is to analyze the changes in the brain while performing cognitive tasks. Towards this, Functional Magnetic Resonance (fMR) images of subjects performing well-defined tasks are widely…

计算机视觉与模式识别 · 计算机科学 2016-04-20 Hariharan Ramasangu , Neelam Sinha

Traditional causal connectivity methods in task-based and resting-state functional magnetic resonance imaging (fMRI) face challenges in accurately capturing directed information flow due to their sensitivity to noise and inability to model…

神经元与认知 · 定量生物学 2025-04-03 Boseong Kim , Debashis Das Chakladar , Haejun Chung , Ikbeom Jang

This work presents a novel method of exploring human brain-visual representations, with a view towards replicating these processes in machines. The core idea is to learn plausible computational and biological representations by correlating…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Simone Palazzo , Concetto Spampinato , Isaak Kavasidis , Daniela Giordano , Joseph Schmidt , Mubarak Shah

There has been an explosion of interest in functional Magnetic Resonance Imaging (MRI) during the past two decades. Naturally, this has been accompanied by many major advances in the understanding of the human connectome. These advances…

In the pursuit to understand the intricacies of human brain's visual processing, reconstructing dynamic visual experiences from brain activities emerges as a challenging yet fascinating endeavor. While recent advancements have achieved…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Jingyuan Sun , Mingxiao Li , Zijiao Chen , Marie-Francine Moens

Regularization for denoising in magnetic resonance imaging (MRI) is typically achieved using convex regularization functions. Recently, deep learning techniques have been shown to provide superior denoising performance. However, this comes…

信号处理 · 电气工程与系统科学 2025-08-21 Akash Prabakar , Abhishek Shreekant Bhandiwad , Abijith Jagannath Kamath , Chandra Sekhar Seelamantula

The human brain is a complex and highly dynamic system, and our current knowledge of its functional mechanism is still very limited. Fortunately, with functional magnetic resonance imaging (fMRI), we can observe blood oxygen level-dependent…

神经元与认知 · 定量生物学 2024-12-31 Yifei Sun , Mariano Cabezas , Jiah Lee , Chenyu Wang , Wei Zhang , Fernando Calamante , Jinglei Lv

Electroencephalography (EEG) decoding is a challenging task due to the limited availability of labelled data. While transfer learning is a promising technique to address this challenge, it assumes that transferable data domains and task are…